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-rw-r--r--src/libprofiler_builtins/build.rs10
-rw-r--r--src/librustc_codegen_llvm/context.rs9
-rw-r--r--src/librustc_target/spec/i386_apple_ios.rs4
-rw-r--r--src/librustc_target/spec/i686_apple_darwin.rs4
-rw-r--r--src/librustc_target/spec/i686_linux_android.rs4
-rw-r--r--src/librustc_target/spec/i686_pc_windows_gnu.rs4
-rw-r--r--src/librustc_target/spec/i686_pc_windows_msvc.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_cloudabi.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_freebsd.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_haiku.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_linux_gnu.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_linux_musl.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_netbsd.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_openbsd.rs4
-rw-r--r--src/librustc_target/spec/i686_unknown_uefi.rs4
-rw-r--r--src/librustc_target/spec/i686_uwp_windows_gnu.rs4
-rw-r--r--src/librustc_target/spec/i686_uwp_windows_msvc.rs4
-rw-r--r--src/librustc_target/spec/i686_wrs_vxworks.rs4
-rw-r--r--src/librustc_target/spec/x86_64_apple_darwin.rs3
-rw-r--r--src/librustc_target/spec/x86_64_apple_ios.rs3
-rw-r--r--src/librustc_target/spec/x86_64_apple_ios_macabi.rs3
-rw-r--r--src/librustc_target/spec/x86_64_fortanix_unknown_sgx.rs3
-rw-r--r--src/librustc_target/spec/x86_64_fuchsia.rs3
-rw-r--r--src/librustc_target/spec/x86_64_linux_android.rs3
-rw-r--r--src/librustc_target/spec/x86_64_linux_kernel.rs3
-rw-r--r--src/librustc_target/spec/x86_64_pc_windows_gnu.rs3
-rw-r--r--src/librustc_target/spec/x86_64_pc_windows_msvc.rs3
-rw-r--r--src/librustc_target/spec/x86_64_rumprun_netbsd.rs3
-rw-r--r--src/librustc_target/spec/x86_64_sun_solaris.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_cloudabi.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_dragonfly.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_freebsd.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_haiku.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_hermit.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_hermit_kernel.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_l4re_uclibc.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_linux_gnu.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_linux_gnux32.rs4
-rw-r--r--src/librustc_target/spec/x86_64_unknown_linux_musl.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_netbsd.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_openbsd.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_redox.rs3
-rw-r--r--src/librustc_target/spec/x86_64_unknown_uefi.rs3
-rw-r--r--src/librustc_target/spec/x86_64_uwp_windows_gnu.rs3
-rw-r--r--src/librustc_target/spec/x86_64_uwp_windows_msvc.rs3
-rw-r--r--src/librustc_target/spec/x86_64_wrs_vxworks.rs3
-rw-r--r--src/rustllvm/ArchiveWrapper.cpp4
-rw-r--r--src/rustllvm/Linker.cpp3
-rw-r--r--src/rustllvm/PassWrapper.cpp32
-rw-r--r--src/rustllvm/RustWrapper.cpp31
-rw-r--r--src/test/codegen/abi-main-signature-32bit-c-int.rs2
-rw-r--r--src/test/codegen/bool-cmp.rs5
-rw-r--r--src/test/codegen/function-arguments.rs4
-rw-r--r--src/test/codegen/intrinsics/prefetch.rs32
-rw-r--r--src/test/codegen/naked-functions.rs4
-rw-r--r--src/test/codegen/repeat-trusted-len.rs2
-rw-r--r--src/test/codegen/repr-transparent-sysv64.rs4
-rw-r--r--src/test/codegen/union-abi.rs2
-rw-r--r--src/test/debuginfo/borrowed-enum-legacy.rs84
-rw-r--r--src/test/debuginfo/generic-enum-with-different-disr-sizes-legacy.rs105
-rw-r--r--src/test/debuginfo/generic-struct-style-enum-legacy.rs86
-rw-r--r--src/test/debuginfo/generic-tuple-style-enum-legacy.rs108
-rw-r--r--src/test/debuginfo/recursive-struct-legacy.rs235
-rw-r--r--src/test/debuginfo/struct-style-enum-legacy.rs105
-rw-r--r--src/test/debuginfo/tuple-style-enum-legacy.rs105
-rw-r--r--src/test/debuginfo/unique-enum-legacy.rs88
66 files changed, 218 insertions, 991 deletions
diff --git a/src/libprofiler_builtins/build.rs b/src/libprofiler_builtins/build.rs
index 04cd2efe000..8adcff67800 100644
--- a/src/libprofiler_builtins/build.rs
+++ b/src/libprofiler_builtins/build.rs
@@ -21,7 +21,6 @@ fn main() {
         "InstrProfilingPlatformLinux.c",
         "InstrProfilingPlatformOther.c",
         "InstrProfilingPlatformWindows.c",
-        "InstrProfilingRuntime.cc",
         "InstrProfilingUtil.c",
         "InstrProfilingValue.c",
         "InstrProfilingWriter.c",
@@ -68,10 +67,17 @@ fn main() {
     let root = env::var_os("RUST_COMPILER_RT_ROOT").unwrap();
     let root = Path::new(&root);
 
+    let src_root = root.join("lib").join("profile");
     for src in profile_sources {
-        cfg.file(root.join("lib").join("profile").join(src));
+        cfg.file(src_root.join(src));
     }
 
+    // The file was renamed in LLVM 10.
+    let old_runtime_path = src_root.join("InstrProfilingRuntime.cc");
+    let new_runtime_path = src_root.join("InstrProfilingRuntime.cpp");
+    cfg.file(if old_runtime_path.exists() { old_runtime_path } else { new_runtime_path });
+
+    cfg.include(root.join("include"));
     cfg.warnings(false);
     cfg.compile("profiler-rt");
 }
diff --git a/src/librustc_codegen_llvm/context.rs b/src/librustc_codegen_llvm/context.rs
index f07601ed383..50a35fe3dcf 100644
--- a/src/librustc_codegen_llvm/context.rs
+++ b/src/librustc_codegen_llvm/context.rs
@@ -143,6 +143,10 @@ fn strip_function_ptr_alignment(data_layout: String) -> String {
     data_layout.replace("-Fi8-", "-")
 }
 
+fn strip_x86_address_spaces(data_layout: String) -> String {
+    data_layout.replace("-p270:32:32-p271:32:32-p272:64:64-", "-")
+}
+
 pub unsafe fn create_module(
     tcx: TyCtxt<'_>,
     llcx: &'ll llvm::Context,
@@ -156,6 +160,11 @@ pub unsafe fn create_module(
     if llvm_util::get_major_version() < 9 {
         target_data_layout = strip_function_ptr_alignment(target_data_layout);
     }
+    if llvm_util::get_major_version() < 10 {
+        if sess.target.target.arch == "x86" || sess.target.target.arch == "x86_64" {
+            target_data_layout = strip_x86_address_spaces(target_data_layout);
+        }
+    }
 
     // Ensure the data-layout values hardcoded remain the defaults.
     if sess.target.target.options.is_builtin {
diff --git a/src/librustc_target/spec/i386_apple_ios.rs b/src/librustc_target/spec/i386_apple_ios.rs
index 51eb231a614..a6c1d24fa62 100644
--- a/src/librustc_target/spec/i386_apple_ios.rs
+++ b/src/librustc_target/spec/i386_apple_ios.rs
@@ -8,7 +8,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128".to_string(),
+        data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:128-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "ios".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_apple_darwin.rs b/src/librustc_target/spec/i686_apple_darwin.rs
index 7dfb2ba9921..033b87b110e 100644
--- a/src/librustc_target/spec/i686_apple_darwin.rs
+++ b/src/librustc_target/spec/i686_apple_darwin.rs
@@ -20,7 +20,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128".to_string(),
+        data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:128-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "macos".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_linux_android.rs b/src/librustc_target/spec/i686_linux_android.rs
index 3f73d24ee84..79242f24026 100644
--- a/src/librustc_target/spec/i686_linux_android.rs
+++ b/src/librustc_target/spec/i686_linux_android.rs
@@ -18,7 +18,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "android".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_pc_windows_gnu.rs b/src/librustc_target/spec/i686_pc_windows_gnu.rs
index 9056e0765d8..35fbf875731 100644
--- a/src/librustc_target/spec/i686_pc_windows_gnu.rs
+++ b/src/librustc_target/spec/i686_pc_windows_gnu.rs
@@ -18,7 +18,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32".to_string(),
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:32-n8:16:32-a:0:32-S32"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "windows".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/i686_pc_windows_msvc.rs b/src/librustc_target/spec/i686_pc_windows_msvc.rs
index b160007e062..ffb66afc761 100644
--- a/src/librustc_target/spec/i686_pc_windows_msvc.rs
+++ b/src/librustc_target/spec/i686_pc_windows_msvc.rs
@@ -19,7 +19,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32".to_string(),
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:32-n8:16:32-a:0:32-S32"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "windows".to_string(),
         target_env: "msvc".to_string(),
diff --git a/src/librustc_target/spec/i686_unknown_cloudabi.rs b/src/librustc_target/spec/i686_unknown_cloudabi.rs
index f3b40633b40..729b1f68e00 100644
--- a/src/librustc_target/spec/i686_unknown_cloudabi.rs
+++ b/src/librustc_target/spec/i686_unknown_cloudabi.rs
@@ -13,7 +13,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "cloudabi".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_unknown_freebsd.rs b/src/librustc_target/spec/i686_unknown_freebsd.rs
index 71f05a140f3..88c944a6cb7 100644
--- a/src/librustc_target/spec/i686_unknown_freebsd.rs
+++ b/src/librustc_target/spec/i686_unknown_freebsd.rs
@@ -12,7 +12,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "freebsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_unknown_haiku.rs b/src/librustc_target/spec/i686_unknown_haiku.rs
index b807e4eee39..4dc27af30da 100644
--- a/src/librustc_target/spec/i686_unknown_haiku.rs
+++ b/src/librustc_target/spec/i686_unknown_haiku.rs
@@ -12,7 +12,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "haiku".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_unknown_linux_gnu.rs b/src/librustc_target/spec/i686_unknown_linux_gnu.rs
index 5875cbf78bf..0d578f22f98 100644
--- a/src/librustc_target/spec/i686_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/i686_unknown_linux_gnu.rs
@@ -12,7 +12,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "linux".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/i686_unknown_linux_musl.rs b/src/librustc_target/spec/i686_unknown_linux_musl.rs
index 732949034e8..699a0ab45e8 100644
--- a/src/librustc_target/spec/i686_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/i686_unknown_linux_musl.rs
@@ -27,7 +27,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "linux".to_string(),
         target_env: "musl".to_string(),
diff --git a/src/librustc_target/spec/i686_unknown_netbsd.rs b/src/librustc_target/spec/i686_unknown_netbsd.rs
index 01d2b2d76a0..88b1ae7d53c 100644
--- a/src/librustc_target/spec/i686_unknown_netbsd.rs
+++ b/src/librustc_target/spec/i686_unknown_netbsd.rs
@@ -12,7 +12,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "netbsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_unknown_openbsd.rs b/src/librustc_target/spec/i686_unknown_openbsd.rs
index d7c323e0d8a..829cd1ac1a3 100644
--- a/src/librustc_target/spec/i686_unknown_openbsd.rs
+++ b/src/librustc_target/spec/i686_unknown_openbsd.rs
@@ -13,7 +13,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "openbsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/i686_unknown_uefi.rs b/src/librustc_target/spec/i686_unknown_uefi.rs
index e4b8b667ad0..345590a00be 100644
--- a/src/librustc_target/spec/i686_unknown_uefi.rs
+++ b/src/librustc_target/spec/i686_unknown_uefi.rs
@@ -86,7 +86,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32".to_string(),
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:32-n8:16:32-a:0:32-S32"
+            .to_string(),
         target_os: "uefi".to_string(),
         target_env: "".to_string(),
         target_vendor: "unknown".to_string(),
diff --git a/src/librustc_target/spec/i686_uwp_windows_gnu.rs b/src/librustc_target/spec/i686_uwp_windows_gnu.rs
index 1986474785f..93f396de0a0 100644
--- a/src/librustc_target/spec/i686_uwp_windows_gnu.rs
+++ b/src/librustc_target/spec/i686_uwp_windows_gnu.rs
@@ -18,7 +18,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32".to_string(),
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:32-n8:16:32-a:0:32-S32"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "windows".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/i686_uwp_windows_msvc.rs b/src/librustc_target/spec/i686_uwp_windows_msvc.rs
index 5e8e8c2a414..ed2dba53589 100644
--- a/src/librustc_target/spec/i686_uwp_windows_msvc.rs
+++ b/src/librustc_target/spec/i686_uwp_windows_msvc.rs
@@ -11,7 +11,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32".to_string(),
+        data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:32-n8:16:32-a:0:32-S32"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "windows".to_string(),
         target_env: "msvc".to_string(),
diff --git a/src/librustc_target/spec/i686_wrs_vxworks.rs b/src/librustc_target/spec/i686_wrs_vxworks.rs
index c5f9583a358..f5f66cabb2c 100644
--- a/src/librustc_target/spec/i686_wrs_vxworks.rs
+++ b/src/librustc_target/spec/i686_wrs_vxworks.rs
@@ -12,7 +12,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            f64:32:64-f80:32-n8:16:32-S128"
+            .to_string(),
         arch: "x86".to_string(),
         target_os: "vxworks".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/x86_64_apple_darwin.rs b/src/librustc_target/spec/x86_64_apple_darwin.rs
index 002cee44218..e846f42f8f8 100644
--- a/src/librustc_target/spec/x86_64_apple_darwin.rs
+++ b/src/librustc_target/spec/x86_64_apple_darwin.rs
@@ -20,7 +20,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:o-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: arch.to_string(),
         target_os: "macos".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_apple_ios.rs b/src/librustc_target/spec/x86_64_apple_ios.rs
index f8441f96c98..ca02e2deabc 100644
--- a/src/librustc_target/spec/x86_64_apple_ios.rs
+++ b/src/librustc_target/spec/x86_64_apple_ios.rs
@@ -8,7 +8,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:o-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "ios".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_apple_ios_macabi.rs b/src/librustc_target/spec/x86_64_apple_ios_macabi.rs
index 101d83607d9..5f4f6ade682 100644
--- a/src/librustc_target/spec/x86_64_apple_ios_macabi.rs
+++ b/src/librustc_target/spec/x86_64_apple_ios_macabi.rs
@@ -8,7 +8,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:o-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "ios".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_fortanix_unknown_sgx.rs b/src/librustc_target/spec/x86_64_fortanix_unknown_sgx.rs
index 6105eaef7b0..3e9552ef0cf 100644
--- a/src/librustc_target/spec/x86_64_fortanix_unknown_sgx.rs
+++ b/src/librustc_target/spec/x86_64_fortanix_unknown_sgx.rs
@@ -81,7 +81,8 @@ pub fn target() -> Result<Target, String> {
         target_os: "unknown".into(),
         target_env: "sgx".into(),
         target_vendor: "fortanix".into(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".into(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .into(),
         arch: "x86_64".into(),
         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
         options: opts,
diff --git a/src/librustc_target/spec/x86_64_fuchsia.rs b/src/librustc_target/spec/x86_64_fuchsia.rs
index 5b315bb957c..37b6d57366c 100644
--- a/src/librustc_target/spec/x86_64_fuchsia.rs
+++ b/src/librustc_target/spec/x86_64_fuchsia.rs
@@ -11,7 +11,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "fuchsia".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_linux_android.rs b/src/librustc_target/spec/x86_64_linux_android.rs
index c3c6c7bf56f..74097f5bf6f 100644
--- a/src/librustc_target/spec/x86_64_linux_android.rs
+++ b/src/librustc_target/spec/x86_64_linux_android.rs
@@ -14,7 +14,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "android".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_linux_kernel.rs b/src/librustc_target/spec/x86_64_linux_kernel.rs
index a80b021208e..89070c99e39 100644
--- a/src/librustc_target/spec/x86_64_linux_kernel.rs
+++ b/src/librustc_target/spec/x86_64_linux_kernel.rs
@@ -19,7 +19,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         target_os: "none".to_string(),
         target_env: "gnu".to_string(),
         target_vendor: "unknown".to_string(),
diff --git a/src/librustc_target/spec/x86_64_pc_windows_gnu.rs b/src/librustc_target/spec/x86_64_pc_windows_gnu.rs
index 35e0d55cd04..8f523a3b6c6 100644
--- a/src/librustc_target/spec/x86_64_pc_windows_gnu.rs
+++ b/src/librustc_target/spec/x86_64_pc_windows_gnu.rs
@@ -11,7 +11,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:w-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "windows".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/x86_64_pc_windows_msvc.rs b/src/librustc_target/spec/x86_64_pc_windows_msvc.rs
index 073d49be5a9..75ff6b97a2e 100644
--- a/src/librustc_target/spec/x86_64_pc_windows_msvc.rs
+++ b/src/librustc_target/spec/x86_64_pc_windows_msvc.rs
@@ -11,7 +11,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:w-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "windows".to_string(),
         target_env: "msvc".to_string(),
diff --git a/src/librustc_target/spec/x86_64_rumprun_netbsd.rs b/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
index d71112b87de..fbade02c556 100644
--- a/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
+++ b/src/librustc_target/spec/x86_64_rumprun_netbsd.rs
@@ -18,7 +18,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "netbsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_sun_solaris.rs b/src/librustc_target/spec/x86_64_sun_solaris.rs
index 3bf3f51ae25..53f4df96518 100644
--- a/src/librustc_target/spec/x86_64_sun_solaris.rs
+++ b/src/librustc_target/spec/x86_64_sun_solaris.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "solaris".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_cloudabi.rs b/src/librustc_target/spec/x86_64_unknown_cloudabi.rs
index d48120c5401..dbc5f965020 100644
--- a/src/librustc_target/spec/x86_64_unknown_cloudabi.rs
+++ b/src/librustc_target/spec/x86_64_unknown_cloudabi.rs
@@ -13,7 +13,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "cloudabi".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_dragonfly.rs b/src/librustc_target/spec/x86_64_unknown_dragonfly.rs
index f55ee696909..fd1871b1a57 100644
--- a/src/librustc_target/spec/x86_64_unknown_dragonfly.rs
+++ b/src/librustc_target/spec/x86_64_unknown_dragonfly.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "dragonfly".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_freebsd.rs b/src/librustc_target/spec/x86_64_unknown_freebsd.rs
index 1d9c5cce3f7..a124f582bf3 100644
--- a/src/librustc_target/spec/x86_64_unknown_freebsd.rs
+++ b/src/librustc_target/spec/x86_64_unknown_freebsd.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "freebsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_haiku.rs b/src/librustc_target/spec/x86_64_unknown_haiku.rs
index 4ab15fa4e90..51237697714 100644
--- a/src/librustc_target/spec/x86_64_unknown_haiku.rs
+++ b/src/librustc_target/spec/x86_64_unknown_haiku.rs
@@ -14,7 +14,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "haiku".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_hermit.rs b/src/librustc_target/spec/x86_64_unknown_hermit.rs
index c9123aae90d..4a526f90ed5 100644
--- a/src/librustc_target/spec/x86_64_unknown_hermit.rs
+++ b/src/librustc_target/spec/x86_64_unknown_hermit.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "hermit".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_hermit_kernel.rs b/src/librustc_target/spec/x86_64_unknown_hermit_kernel.rs
index 0b1c8340b6d..c25cd0809ee 100644
--- a/src/librustc_target/spec/x86_64_unknown_hermit_kernel.rs
+++ b/src/librustc_target/spec/x86_64_unknown_hermit_kernel.rs
@@ -14,7 +14,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "hermit".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_l4re_uclibc.rs b/src/librustc_target/spec/x86_64_unknown_l4re_uclibc.rs
index e5fdb386ef3..cab19f149a7 100644
--- a/src/librustc_target/spec/x86_64_unknown_l4re_uclibc.rs
+++ b/src/librustc_target/spec/x86_64_unknown_l4re_uclibc.rs
@@ -10,7 +10,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "l4re".to_string(),
         target_env: "uclibc".to_string(),
diff --git a/src/librustc_target/spec/x86_64_unknown_linux_gnu.rs b/src/librustc_target/spec/x86_64_unknown_linux_gnu.rs
index cb279e86f14..29cbb777db5 100644
--- a/src/librustc_target/spec/x86_64_unknown_linux_gnu.rs
+++ b/src/librustc_target/spec/x86_64_unknown_linux_gnu.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "linux".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/x86_64_unknown_linux_gnux32.rs b/src/librustc_target/spec/x86_64_unknown_linux_gnux32.rs
index 0b2d7aacc4d..0a37399e2fa 100644
--- a/src/librustc_target/spec/x86_64_unknown_linux_gnux32.rs
+++ b/src/librustc_target/spec/x86_64_unknown_linux_gnux32.rs
@@ -16,7 +16,9 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "32".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
+            i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "linux".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/x86_64_unknown_linux_musl.rs b/src/librustc_target/spec/x86_64_unknown_linux_musl.rs
index 2e1bc839873..34c628e8f67 100644
--- a/src/librustc_target/spec/x86_64_unknown_linux_musl.rs
+++ b/src/librustc_target/spec/x86_64_unknown_linux_musl.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "linux".to_string(),
         target_env: "musl".to_string(),
diff --git a/src/librustc_target/spec/x86_64_unknown_netbsd.rs b/src/librustc_target/spec/x86_64_unknown_netbsd.rs
index b0fad314662..adf09c89c42 100644
--- a/src/librustc_target/spec/x86_64_unknown_netbsd.rs
+++ b/src/librustc_target/spec/x86_64_unknown_netbsd.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "netbsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_openbsd.rs b/src/librustc_target/spec/x86_64_unknown_openbsd.rs
index f2abd107122..dbd163db36b 100644
--- a/src/librustc_target/spec/x86_64_unknown_openbsd.rs
+++ b/src/librustc_target/spec/x86_64_unknown_openbsd.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "openbsd".to_string(),
         target_env: String::new(),
diff --git a/src/librustc_target/spec/x86_64_unknown_redox.rs b/src/librustc_target/spec/x86_64_unknown_redox.rs
index 8a5af27f13a..3d40bafbe1f 100644
--- a/src/librustc_target/spec/x86_64_unknown_redox.rs
+++ b/src/librustc_target/spec/x86_64_unknown_redox.rs
@@ -12,7 +12,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "redox".to_string(),
         target_env: "relibc".to_string(),
diff --git a/src/librustc_target/spec/x86_64_unknown_uefi.rs b/src/librustc_target/spec/x86_64_unknown_uefi.rs
index 443479f55f0..7660b68aae6 100644
--- a/src/librustc_target/spec/x86_64_unknown_uefi.rs
+++ b/src/librustc_target/spec/x86_64_unknown_uefi.rs
@@ -38,7 +38,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:w-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         target_os: "uefi".to_string(),
         target_env: "".to_string(),
         target_vendor: "unknown".to_string(),
diff --git a/src/librustc_target/spec/x86_64_uwp_windows_gnu.rs b/src/librustc_target/spec/x86_64_uwp_windows_gnu.rs
index da0c324e486..48366e24a39 100644
--- a/src/librustc_target/spec/x86_64_uwp_windows_gnu.rs
+++ b/src/librustc_target/spec/x86_64_uwp_windows_gnu.rs
@@ -11,7 +11,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:w-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "windows".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_target/spec/x86_64_uwp_windows_msvc.rs b/src/librustc_target/spec/x86_64_uwp_windows_msvc.rs
index 40dd52c1591..258df010aae 100644
--- a/src/librustc_target/spec/x86_64_uwp_windows_msvc.rs
+++ b/src/librustc_target/spec/x86_64_uwp_windows_msvc.rs
@@ -11,7 +11,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:w-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "windows".to_string(),
         target_env: "msvc".to_string(),
diff --git a/src/librustc_target/spec/x86_64_wrs_vxworks.rs b/src/librustc_target/spec/x86_64_wrs_vxworks.rs
index 1ab2f3a47c4..f1e27f4d8be 100644
--- a/src/librustc_target/spec/x86_64_wrs_vxworks.rs
+++ b/src/librustc_target/spec/x86_64_wrs_vxworks.rs
@@ -13,7 +13,8 @@ pub fn target() -> TargetResult {
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
         target_c_int_width: "32".to_string(),
-        data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".to_string(),
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .to_string(),
         arch: "x86_64".to_string(),
         target_os: "vxworks".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/rustllvm/ArchiveWrapper.cpp b/src/rustllvm/ArchiveWrapper.cpp
index dd0111d3f2c..678d787571e 100644
--- a/src/rustllvm/ArchiveWrapper.cpp
+++ b/src/rustllvm/ArchiveWrapper.cpp
@@ -89,7 +89,11 @@ extern "C" void LLVMRustDestroyArchive(LLVMRustArchiveRef RustArchive) {
 extern "C" LLVMRustArchiveIteratorRef
 LLVMRustArchiveIteratorNew(LLVMRustArchiveRef RustArchive) {
   Archive *Archive = RustArchive->getBinary();
+#if LLVM_VERSION_GE(10, 0)
+  std::unique_ptr<Error> Err = std::make_unique<Error>(Error::success());
+#else
   std::unique_ptr<Error> Err = llvm::make_unique<Error>(Error::success());
+#endif
   auto Cur = Archive->child_begin(*Err);
   if (*Err) {
     LLVMRustSetLastError(toString(std::move(*Err)).c_str());
diff --git a/src/rustllvm/Linker.cpp b/src/rustllvm/Linker.cpp
index 7916721943a..69176f9cb1f 100644
--- a/src/rustllvm/Linker.cpp
+++ b/src/rustllvm/Linker.cpp
@@ -18,8 +18,7 @@ extern "C" RustLinker*
 LLVMRustLinkerNew(LLVMModuleRef DstRef) {
   Module *Dst = unwrap(DstRef);
 
-  auto Ret = llvm::make_unique<RustLinker>(*Dst);
-  return Ret.release();
+  return new RustLinker(*Dst);
 }
 
 extern "C" void
diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
index 6698e5d58be..eaa845a279f 100644
--- a/src/rustllvm/PassWrapper.cpp
+++ b/src/rustllvm/PassWrapper.cpp
@@ -8,6 +8,7 @@
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/IR/AutoUpgrade.h"
 #include "llvm/IR/AssemblyAnnotationWriter.h"
 #include "llvm/IR/IntrinsicInst.h"
@@ -532,6 +533,18 @@ enum class LLVMRustFileType {
   ObjectFile,
 };
 
+#if LLVM_VERSION_GE(10, 0)
+static CodeGenFileType fromRust(LLVMRustFileType Type) {
+  switch (Type) {
+  case LLVMRustFileType::AssemblyFile:
+    return CGFT_AssemblyFile;
+  case LLVMRustFileType::ObjectFile:
+    return CGFT_ObjectFile;
+  default:
+    report_fatal_error("Bad FileType.");
+  }
+}
+#else
 static TargetMachine::CodeGenFileType fromRust(LLVMRustFileType Type) {
   switch (Type) {
   case LLVMRustFileType::AssemblyFile:
@@ -542,6 +555,7 @@ static TargetMachine::CodeGenFileType fromRust(LLVMRustFileType Type) {
     report_fatal_error("Bad FileType.");
   }
 }
+#endif
 
 extern "C" LLVMRustResult
 LLVMRustWriteOutputFile(LLVMTargetMachineRef Target, LLVMPassManagerRef PMR,
@@ -849,7 +863,11 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules,
                           int num_modules,
                           const char **preserved_symbols,
                           int num_symbols) {
+#if LLVM_VERSION_GE(10, 0)
+  auto Ret = std::make_unique<LLVMRustThinLTOData>();
+#else
   auto Ret = llvm::make_unique<LLVMRustThinLTOData>();
+#endif
 
   // Load each module's summary and merge it into one combined index
   for (int i = 0; i < num_modules; i++) {
@@ -944,6 +962,15 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules,
         ExportedGUIDs.insert(GUID);
     }
   }
+#if LLVM_VERSION_GE(10, 0)
+  auto isExported = [&](StringRef ModuleIdentifier, ValueInfo VI) {
+    const auto &ExportList = Ret->ExportLists.find(ModuleIdentifier);
+    return (ExportList != Ret->ExportLists.end() &&
+      ExportList->second.count(VI)) ||
+      ExportedGUIDs.count(VI.getGUID());
+  };
+  thinLTOInternalizeAndPromoteInIndex(Ret->Index, isExported, isPrevailing);
+#else
   auto isExported = [&](StringRef ModuleIdentifier, GlobalValue::GUID GUID) {
     const auto &ExportList = Ret->ExportLists.find(ModuleIdentifier);
     return (ExportList != Ret->ExportLists.end() &&
@@ -951,6 +978,7 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules,
       ExportedGUIDs.count(GUID);
   };
   thinLTOInternalizeAndPromoteInIndex(Ret->Index, isExported);
+#endif
 
   return Ret.release();
 }
@@ -1081,7 +1109,11 @@ struct LLVMRustThinLTOBuffer {
 
 extern "C" LLVMRustThinLTOBuffer*
 LLVMRustThinLTOBufferCreate(LLVMModuleRef M) {
+#if LLVM_VERSION_GE(10, 0)
+  auto Ret = std::make_unique<LLVMRustThinLTOBuffer>();
+#else
   auto Ret = llvm::make_unique<LLVMRustThinLTOBuffer>();
+#endif
   {
     raw_string_ostream OS(Ret->data);
     {
diff --git a/src/rustllvm/RustWrapper.cpp b/src/rustllvm/RustWrapper.cpp
index 720928e48e3..46e467011b9 100644
--- a/src/rustllvm/RustWrapper.cpp
+++ b/src/rustllvm/RustWrapper.cpp
@@ -496,9 +496,11 @@ static DINode::DIFlags fromRust(LLVMRustDIFlags Flags) {
   if (isSet(Flags & LLVMRustDIFlags::FlagAppleBlock)) {
     Result |= DINode::DIFlags::FlagAppleBlock;
   }
+#if LLVM_VERSION_LT(10, 0)
   if (isSet(Flags & LLVMRustDIFlags::FlagBlockByrefStruct)) {
     Result |= DINode::DIFlags::FlagBlockByrefStruct;
   }
+#endif
   if (isSet(Flags & LLVMRustDIFlags::FlagVirtual)) {
     Result |= DINode::DIFlags::FlagVirtual;
   }
@@ -825,6 +827,9 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStaticVariable(
   llvm::DIGlobalVariableExpression *VarExpr = Builder->createGlobalVariableExpression(
       unwrapDI<DIDescriptor>(Context), Name, LinkageName,
       unwrapDI<DIFile>(File), LineNo, unwrapDI<DIType>(Ty), IsLocalToUnit,
+#if LLVM_VERSION_GE(10, 0)
+      /* isDefined */ true,
+#endif
       InitExpr, unwrapDIPtr<MDNode>(Decl),
 #if LLVM_VERSION_GE(8, 0)
       /* templateParams */ nullptr,
@@ -998,11 +1003,19 @@ inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
 
 extern "C" size_t LLVMRustGetSectionName(LLVMSectionIteratorRef SI,
                                          const char **Ptr) {
+#if LLVM_VERSION_GE(10, 0)
+  auto NameOrErr = (*unwrap(SI))->getName();
+  if (!NameOrErr)
+    report_fatal_error(NameOrErr.takeError());
+  *Ptr = NameOrErr->data();
+  return NameOrErr->size();
+#else
   StringRef Ret;
   if (std::error_code EC = (*unwrap(SI))->getName(Ret))
     report_fatal_error(EC.message());
   *Ptr = Ret.data();
   return Ret.size();
+#endif
 }
 
 // LLVMArrayType function does not support 64-bit ElementCount
@@ -1253,20 +1266,34 @@ extern "C" LLVMValueRef LLVMRustBuildMemCpy(LLVMBuilderRef B,
                                             LLVMValueRef Dst, unsigned DstAlign,
                                             LLVMValueRef Src, unsigned SrcAlign,
                                             LLVMValueRef Size, bool IsVolatile) {
+#if LLVM_VERSION_GE(10, 0)
+  return wrap(unwrap(B)->CreateMemCpy(
+      unwrap(Dst), MaybeAlign(DstAlign),
+      unwrap(Src), MaybeAlign(SrcAlign),
+      unwrap(Size), IsVolatile));
+#else
   return wrap(unwrap(B)->CreateMemCpy(
       unwrap(Dst), DstAlign,
       unwrap(Src), SrcAlign,
       unwrap(Size), IsVolatile));
+#endif
 }
 
 extern "C" LLVMValueRef LLVMRustBuildMemMove(LLVMBuilderRef B,
                                              LLVMValueRef Dst, unsigned DstAlign,
                                              LLVMValueRef Src, unsigned SrcAlign,
                                              LLVMValueRef Size, bool IsVolatile) {
+#if LLVM_VERSION_GE(10, 0)
+  return wrap(unwrap(B)->CreateMemMove(
+      unwrap(Dst), MaybeAlign(DstAlign),
+      unwrap(Src), MaybeAlign(SrcAlign),
+      unwrap(Size), IsVolatile));
+#else
   return wrap(unwrap(B)->CreateMemMove(
       unwrap(Dst), DstAlign,
       unwrap(Src), SrcAlign,
       unwrap(Size), IsVolatile));
+#endif
 }
 
 extern "C" LLVMValueRef
@@ -1450,7 +1477,11 @@ struct LLVMRustModuleBuffer {
 
 extern "C" LLVMRustModuleBuffer*
 LLVMRustModuleBufferCreate(LLVMModuleRef M) {
+#if LLVM_VERSION_GE(10, 0)
+  auto Ret = std::make_unique<LLVMRustModuleBuffer>();
+#else
   auto Ret = llvm::make_unique<LLVMRustModuleBuffer>();
+#endif
   {
     raw_string_ostream OS(Ret->data);
     {
diff --git a/src/test/codegen/abi-main-signature-32bit-c-int.rs b/src/test/codegen/abi-main-signature-32bit-c-int.rs
index c7aab09edec..a7a4520ff95 100644
--- a/src/test/codegen/abi-main-signature-32bit-c-int.rs
+++ b/src/test/codegen/abi-main-signature-32bit-c-int.rs
@@ -7,4 +7,4 @@
 fn main() {
 }
 
-// CHECK: define i32 @main(i32, i8**)
+// CHECK: define i32 @main(i32{{( %0)?}}, i8**{{( %1)?}})
diff --git a/src/test/codegen/bool-cmp.rs b/src/test/codegen/bool-cmp.rs
index 8769a4cb5e1..5090f7c378c 100644
--- a/src/test/codegen/bool-cmp.rs
+++ b/src/test/codegen/bool-cmp.rs
@@ -10,8 +10,9 @@ use std::cmp::Ordering;
 // CHECK-LABEL: @cmp_bool
 #[no_mangle]
 pub fn cmp_bool(a: bool, b: bool) -> Ordering {
+// LLVM 10 produces (zext a) + (sext b), but the final lowering is (zext a) - (zext b).
 // CHECK: zext i1
-// CHECK: zext i1
-// CHECK: sub nsw
+// CHECK: {{z|s}}ext i1
+// CHECK: {{sub|add}} nsw
     a.cmp(&b)
 }
diff --git a/src/test/codegen/function-arguments.rs b/src/test/codegen/function-arguments.rs
index 5c9aa48c0a5..3511c7c5185 100644
--- a/src/test/codegen/function-arguments.rs
+++ b/src/test/codegen/function-arguments.rs
@@ -73,7 +73,7 @@ pub fn _box(x: Box<i32>) -> Box<i32> {
   x
 }
 
-// CHECK: @struct_return(%S* noalias nocapture sret dereferenceable(32))
+// CHECK: @struct_return(%S* noalias nocapture sret dereferenceable(32){{( %0)?}})
 #[no_mangle]
 pub fn struct_return() -> S {
   S {
@@ -117,7 +117,7 @@ pub fn str(_: &[u8]) {
 pub fn trait_borrow(_: &Drop) {
 }
 
-// CHECK: @trait_box({}* noalias nonnull align 1, [3 x [[USIZE]]]* noalias readonly align {{.*}} dereferenceable({{.*}}))
+// CHECK: @trait_box({}* noalias nonnull align 1{{( %0)?}}, [3 x [[USIZE]]]* noalias readonly align {{.*}} dereferenceable({{.*}}){{( %1)?}})
 #[no_mangle]
 pub fn trait_box(_: Box<Drop>) {
 }
diff --git a/src/test/codegen/intrinsics/prefetch.rs b/src/test/codegen/intrinsics/prefetch.rs
index 4cd38e14282..2386fc43007 100644
--- a/src/test/codegen/intrinsics/prefetch.rs
+++ b/src/test/codegen/intrinsics/prefetch.rs
@@ -9,13 +9,13 @@ use std::intrinsics::{prefetch_read_data, prefetch_write_data,
 #[no_mangle]
 pub fn check_prefetch_read_data(data: &[i8]) {
     unsafe {
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 0, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 0, i32 1)
         prefetch_read_data(data.as_ptr(), 0);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 1, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 1, i32 1)
         prefetch_read_data(data.as_ptr(), 1);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 2, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 2, i32 1)
         prefetch_read_data(data.as_ptr(), 2);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 3, i32 1)
         prefetch_read_data(data.as_ptr(), 3);
     }
 }
@@ -23,13 +23,13 @@ pub fn check_prefetch_read_data(data: &[i8]) {
 #[no_mangle]
 pub fn check_prefetch_write_data(data: &[i8]) {
     unsafe {
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 0, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 0, i32 1)
         prefetch_write_data(data.as_ptr(), 0);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 1, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 1, i32 1)
         prefetch_write_data(data.as_ptr(), 1);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 2, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 2, i32 1)
         prefetch_write_data(data.as_ptr(), 2);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 1)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 3, i32 1)
         prefetch_write_data(data.as_ptr(), 3);
     }
 }
@@ -37,13 +37,13 @@ pub fn check_prefetch_write_data(data: &[i8]) {
 #[no_mangle]
 pub fn check_prefetch_read_instruction(data: &[i8]) {
     unsafe {
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 0, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 0, i32 0)
         prefetch_read_instruction(data.as_ptr(), 0);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 1, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 1, i32 0)
         prefetch_read_instruction(data.as_ptr(), 1);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 2, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 2, i32 0)
         prefetch_read_instruction(data.as_ptr(), 2);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 0, i32 3, i32 0)
         prefetch_read_instruction(data.as_ptr(), 3);
     }
 }
@@ -51,13 +51,13 @@ pub fn check_prefetch_read_instruction(data: &[i8]) {
 #[no_mangle]
 pub fn check_prefetch_write_instruction(data: &[i8]) {
     unsafe {
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 0, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 0, i32 0)
         prefetch_write_instruction(data.as_ptr(), 0);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 1, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 1, i32 0)
         prefetch_write_instruction(data.as_ptr(), 1);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 2, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 2, i32 0)
         prefetch_write_instruction(data.as_ptr(), 2);
-        // CHECK: call void @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0)
+        // CHECK: call void @llvm.prefetch{{.*}}(i8* %{{.*}}, i32 1, i32 3, i32 0)
         prefetch_write_instruction(data.as_ptr(), 3);
     }
 }
diff --git a/src/test/codegen/naked-functions.rs b/src/test/codegen/naked-functions.rs
index 2050193b61b..5050ed14994 100644
--- a/src/test/codegen/naked-functions.rs
+++ b/src/test/codegen/naked-functions.rs
@@ -17,7 +17,7 @@ pub fn naked_empty() {
 // CHECK: Function Attrs: naked
 #[no_mangle]
 #[naked]
-// CHECK-NEXT: define void @naked_with_args(i{{[0-9]+}})
+// CHECK-NEXT: define void @naked_with_args(i{{[0-9]+( %0)?}})
 pub fn naked_with_args(a: isize) {
     // CHECK-NEXT: {{.+}}:
     // CHECK-NEXT: %a = alloca i{{[0-9]+}}
@@ -36,7 +36,7 @@ pub fn naked_with_return() -> isize {
 }
 
 // CHECK: Function Attrs: naked
-// CHECK-NEXT: define i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+}})
+// CHECK-NEXT: define i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+( %0)?}})
 #[no_mangle]
 #[naked]
 pub fn naked_with_args_and_return(a: isize) -> isize {
diff --git a/src/test/codegen/repeat-trusted-len.rs b/src/test/codegen/repeat-trusted-len.rs
index 99f3464c076..8fbe712065b 100644
--- a/src/test/codegen/repeat-trusted-len.rs
+++ b/src/test/codegen/repeat-trusted-len.rs
@@ -13,6 +13,6 @@ pub fn helper(_: usize) {
 // CHECK-LABEL: @repeat_take_collect
 #[no_mangle]
 pub fn repeat_take_collect() -> Vec<u8> {
-// CHECK: call void @llvm.memset.p0i8.[[USIZE]](i8* {{(nonnull )?}}align 1 %{{[0-9]+}}, i8 42, [[USIZE]] 100000, i1 false)
+// CHECK: call void @llvm.memset.p0i8.[[USIZE]](i8* {{(nonnull )?}}align 1{{.*}} %{{[0-9]+}}, i8 42, [[USIZE]] 100000, i1 false)
     iter::repeat(42).take(100000).collect()
 }
diff --git a/src/test/codegen/repr-transparent-sysv64.rs b/src/test/codegen/repr-transparent-sysv64.rs
index b71cb14a4ff..886b0dd9e7b 100644
--- a/src/test/codegen/repr-transparent-sysv64.rs
+++ b/src/test/codegen/repr-transparent-sysv64.rs
@@ -10,7 +10,7 @@ pub struct Rgb8 { r: u8, g: u8, b: u8 }
 #[repr(transparent)]
 pub struct Rgb8Wrap(Rgb8);
 
-// CHECK: i24 @test_Rgb8Wrap(i24)
+// CHECK: i24 @test_Rgb8Wrap(i24{{( %0)?}})
 #[no_mangle]
 pub extern "sysv64" fn test_Rgb8Wrap(_: Rgb8Wrap) -> Rgb8Wrap { loop {} }
 
@@ -23,6 +23,6 @@ pub union FloatBits {
 #[repr(transparent)]
 pub struct SmallUnion(FloatBits);
 
-// CHECK: i32 @test_SmallUnion(i32)
+// CHECK: i32 @test_SmallUnion(i32{{( %0)?}})
 #[no_mangle]
 pub extern "sysv64" fn test_SmallUnion(_: SmallUnion) -> SmallUnion { loop {} }
diff --git a/src/test/codegen/union-abi.rs b/src/test/codegen/union-abi.rs
index 98a9ff9cbe4..afea01e9a2d 100644
--- a/src/test/codegen/union-abi.rs
+++ b/src/test/codegen/union-abi.rs
@@ -54,7 +54,7 @@ pub fn test_UnionF32F32(_: UnionF32F32) -> UnionF32F32 { loop {} }
 
 pub union UnionF32U32{a:f32, b:u32}
 
-// CHECK: define i32 @test_UnionF32U32(i32)
+// CHECK: define i32 @test_UnionF32U32(i32{{( %0)?}})
 #[no_mangle]
 pub fn test_UnionF32U32(_: UnionF32U32) -> UnionF32U32 { loop {} }
 
diff --git a/src/test/debuginfo/borrowed-enum-legacy.rs b/src/test/debuginfo/borrowed-enum-legacy.rs
deleted file mode 100644
index 9a973ed74e8..00000000000
--- a/src/test/debuginfo/borrowed-enum-legacy.rs
+++ /dev/null
@@ -1,84 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 7.11.90 - 7.12.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:run
-
-// gdb-command:print *the_a_ref
-// gdbg-check:$1 = {{RUST$ENUM$DISR = TheA, x = 0, y = 8970181431921507452}, {RUST$ENUM$DISR = TheA, [...]}}
-// gdbr-check:$1 = borrowed_enum_legacy::ABC::TheA{x: 0, y: 8970181431921507452}
-
-// gdb-command:print *the_b_ref
-// gdbg-check:$2 = {{RUST$ENUM$DISR = TheB, [...]}, {RUST$ENUM$DISR = TheB, __0 = 0, __1 = 286331153, __2 = 286331153}}
-// gdbr-check:$2 = borrowed_enum_legacy::ABC::TheB(0, 286331153, 286331153)
-
-// gdb-command:print *univariant_ref
-// gdbg-check:$3 = {{__0 = 4820353753753434}}
-// gdbr-check:$3 = borrowed_enum_legacy::Univariant::TheOnlyCase(4820353753753434)
-
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:print *the_a_ref
-// lldbg-check:[...]$0 = TheA { x: 0, y: 8970181431921507452 }
-// lldbr-check:(borrowed_enum_legacy::ABC::TheA) *the_a_ref = TheA { borrowed_enum_legacy::ABC::TheA: 0, borrowed_enum_legacy::ABC::TheB: 8970181431921507452 }
-// lldb-command:print *the_b_ref
-// lldbg-check:[...]$1 = TheB(0, 286331153, 286331153)
-// lldbr-check:(borrowed_enum_legacy::ABC::TheB) *the_b_ref = { = 0 = 286331153 = 286331153 }
-// lldb-command:print *univariant_ref
-// lldbg-check:[...]$2 = TheOnlyCase(4820353753753434)
-// lldbr-check:(borrowed_enum_legacy::Univariant) *univariant_ref = { borrowed_enum_legacy::TheOnlyCase = { = 4820353753753434 } }
-
-#![allow(unused_variables)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum ABC {
-    TheA { x: i64, y: i64 },
-    TheB (i64, i32, i32),
-}
-
-// This is a special case since it does not have the implicit discriminant field.
-enum Univariant {
-    TheOnlyCase(i64)
-}
-
-fn main() {
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let the_a = ABC::TheA { x: 0, y: 8970181431921507452 };
-    let the_a_ref: &ABC = &the_a;
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let the_b = ABC::TheB (0, 286331153, 286331153);
-    let the_b_ref: &ABC = &the_b;
-
-    let univariant = Univariant::TheOnlyCase(4820353753753434);
-    let univariant_ref: &Univariant = &univariant;
-
-    zzz(); // #break
-}
-
-fn zzz() {()}
diff --git a/src/test/debuginfo/generic-enum-with-different-disr-sizes-legacy.rs b/src/test/debuginfo/generic-enum-with-different-disr-sizes-legacy.rs
deleted file mode 100644
index 4f17e48c6a4..00000000000
--- a/src/test/debuginfo/generic-enum-with-different-disr-sizes-legacy.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-// ignore-tidy-linelength
-// ignore-lldb: FIXME(#27089)
-// min-lldb-version: 310
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-// gdb-command:run
-
-// gdb-command:print eight_bytes1
-// gdbg-check:$1 = {{RUST$ENUM$DISR = Variant1, __0 = 100}, {RUST$ENUM$DISR = Variant1, __0 = 100}}
-// gdbr-check:$1 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant1(100)
-
-// gdb-command:print four_bytes1
-// gdbg-check:$2 = {{RUST$ENUM$DISR = Variant1, __0 = 101}, {RUST$ENUM$DISR = Variant1, __0 = 101}}
-// gdbr-check:$2 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant1(101)
-
-// gdb-command:print two_bytes1
-// gdbg-check:$3 = {{RUST$ENUM$DISR = Variant1, __0 = 102}, {RUST$ENUM$DISR = Variant1, __0 = 102}}
-// gdbr-check:$3 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant1(102)
-
-// gdb-command:print one_byte1
-// gdbg-check:$4 = {{RUST$ENUM$DISR = Variant1, __0 = 65 'A'}, {RUST$ENUM$DISR = Variant1, __0 = 65 'A'}}
-// gdbr-check:$4 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant1(65)
-
-
-// gdb-command:print eight_bytes2
-// gdbg-check:$5 = {{RUST$ENUM$DISR = Variant2, __0 = 100}, {RUST$ENUM$DISR = Variant2, __0 = 100}}
-// gdbr-check:$5 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant2(100)
-
-// gdb-command:print four_bytes2
-// gdbg-check:$6 = {{RUST$ENUM$DISR = Variant2, __0 = 101}, {RUST$ENUM$DISR = Variant2, __0 = 101}}
-// gdbr-check:$6 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant2(101)
-
-// gdb-command:print two_bytes2
-// gdbg-check:$7 = {{RUST$ENUM$DISR = Variant2, __0 = 102}, {RUST$ENUM$DISR = Variant2, __0 = 102}}
-// gdbr-check:$7 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant2(102)
-
-// gdb-command:print one_byte2
-// gdbg-check:$8 = {{RUST$ENUM$DISR = Variant2, __0 = 65 'A'}, {RUST$ENUM$DISR = Variant2, __0 = 65 'A'}}
-// gdbr-check:$8 = generic_enum_with_different_disr_sizes_legacy::Enum::Variant2(65)
-
-// gdb-command:continue
-
-// === LLDB TESTS ==================================================================================
-// lldb-command:run
-
-// lldb-command:print eight_bytes1
-// lldb-check:[...]$0 = Variant1(100)
-// lldb-command:print four_bytes1
-// lldb-check:[...]$1 = Variant1(101)
-// lldb-command:print two_bytes1
-// lldb-check:[...]$2 = Variant1(102)
-// lldb-command:print one_byte1
-// lldb-check:[...]$3 = Variant1('A')
-
-// lldb-command:print eight_bytes2
-// lldb-check:[...]$4 = Variant2(100)
-// lldb-command:print four_bytes2
-// lldb-check:[...]$5 = Variant2(101)
-// lldb-command:print two_bytes2
-// lldb-check:[...]$6 = Variant2(102)
-// lldb-command:print one_byte2
-// lldb-check:[...]$7 = Variant2('A')
-
-// lldb-command:continue
-
-#![allow(unused_variables)]
-#![allow(dead_code)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-// This test case makes sure that we get correct type descriptions for the enum
-// discriminant of different instantiations of the same generic enum type where,
-// dependending on the generic type parameter(s), the discriminant has a
-// different size in memory.
-
-enum Enum<T> {
-    Variant1(T),
-    Variant2(T)
-}
-
-fn main() {
-    // These are ordered for descending size on purpose
-    let eight_bytes1 = Enum::Variant1(100.0f64);
-    let four_bytes1 = Enum::Variant1(101i32);
-    let two_bytes1 = Enum::Variant1(102i16);
-    let one_byte1 = Enum::Variant1(65u8);
-
-    let eight_bytes2 = Enum::Variant2(100.0f64);
-    let four_bytes2 = Enum::Variant2(101i32);
-    let two_bytes2 = Enum::Variant2(102i16);
-    let one_byte2 = Enum::Variant2(65u8);
-
-    zzz(); // #break
-}
-
-fn zzz() { () }
diff --git a/src/test/debuginfo/generic-struct-style-enum-legacy.rs b/src/test/debuginfo/generic-struct-style-enum-legacy.rs
deleted file mode 100644
index 37a875a4188..00000000000
--- a/src/test/debuginfo/generic-struct-style-enum-legacy.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-// ignore-gdb-version: 7.11.90 - 7.12.9
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// gdb-command:set print union on
-// gdb-command:run
-
-// gdb-command:print case1
-// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, a = 0, b = 31868, c = 31868, d = 31868, e = 31868}, {RUST$ENUM$DISR = Case1, [...]}, {RUST$ENUM$DISR = Case1, [...]}}
-// gdbr-check:$1 = generic_struct_style_enum_legacy::Regular::Case1{a: 0, b: 31868, c: 31868, d: 31868, e: 31868}
-
-// gdb-command:print case2
-// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, a = 0, b = 286331153, c = 286331153}, {RUST$ENUM$DISR = Case2, [...]}}
-// gdbr-check:$2 = generic_struct_style_enum_legacy::Regular::Case2{a: 0, b: 286331153, c: 286331153}
-
-// gdb-command:print case3
-// gdbg-check:$3 = {{RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, a = 0, b = 6438275382588823897}}
-// gdbr-check:$3 = generic_struct_style_enum_legacy::Regular::Case3{a: 0, b: 6438275382588823897}
-
-// gdb-command:print univariant
-// gdbg-check:$4 = {{a = -1}}
-// gdbr-check:$4 = generic_struct_style_enum_legacy::Univariant<i32>::TheOnlyCase{a: -1}
-
-
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-use self::Regular::{Case1, Case2, Case3};
-use self::Univariant::TheOnlyCase;
-
-// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
-// substituted with something of size `xx` bits and the same alignment as an integer type of the
-// same size.
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum Regular<T16, T32, T64> {
-    Case1 { a: T64, b: T16, c: T16, d: T16, e: T16},
-    Case2 { a: T64, b: T32, c: T32},
-    Case3 { a: T64, b: T64 }
-}
-
-enum Univariant<T> {
-    TheOnlyCase { a: T }
-}
-
-fn main() {
-
-    // In order to avoid endianness trouble all of the following test values consist of a single
-    // repeated byte. This way each interpretation of the union should look the same, no matter if
-    // this is a big or little endian machine.
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let case1: Regular<u16, u32, i64> = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 };
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let case2: Regular<i16, u32, i64>  = Case2 { a: 0, b: 286331153, c: 286331153 };
-
-    // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
-    // 0b01011001010110010101100101011001 = 1499027801
-    // 0b0101100101011001 = 22873
-    // 0b01011001 = 89
-    let case3: Regular<u16, i32, u64>  = Case3 { a: 0, b: 6438275382588823897 };
-
-    let univariant = TheOnlyCase { a: -1 };
-
-    zzz(); // #break
-}
-
-fn zzz() {()}
diff --git a/src/test/debuginfo/generic-tuple-style-enum-legacy.rs b/src/test/debuginfo/generic-tuple-style-enum-legacy.rs
deleted file mode 100644
index 452e90008ea..00000000000
--- a/src/test/debuginfo/generic-tuple-style-enum-legacy.rs
+++ /dev/null
@@ -1,108 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-// ignore-gdb-version: 7.11.90 - 7.12.9
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:set print union on
-// gdb-command:run
-
-// gdb-command:print case1
-// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = 31868, __2 = 31868, __3 = 31868, __4 = 31868}, {RUST$ENUM$DISR = Case1, [...]}, {RUST$ENUM$DISR = Case1, [...]}}
-// gdbr-check:$1 = generic_tuple_style_enum_legacy::Regular::Case1(0, 31868, 31868, 31868, 31868)
-
-// gdb-command:print case2
-// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 286331153, __2 = 286331153}, {RUST$ENUM$DISR = Case2, [...]}}
-// gdbr-check:$2 = generic_tuple_style_enum_legacy::Regular::Case2(0, 286331153, 286331153)
-
-// gdb-command:print case3
-// gdbg-check:$3 = {{RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, __0 = 0, __1 = 6438275382588823897}}
-// gdbr-check:$3 = generic_tuple_style_enum_legacy::Regular::Case3(0, 6438275382588823897)
-
-// gdb-command:print univariant
-// gdbg-check:$4 = {{__0 = -1}}
-// gdbr-check:$4 = generic_tuple_style_enum_legacy::Univariant<i64>::TheOnlyCase(-1)
-
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:print case1
-// lldbg-check:[...]$0 = Case1(0, 31868, 31868, 31868, 31868)
-// lldbr-check:(generic_tuple_style_enum_legacy::Regular<u16, u32, u64>::Case1) case1 = { = 0 = 31868 = 31868 = 31868 = 31868 }
-
-// lldb-command:print case2
-// lldbg-check:[...]$1 = Case2(0, 286331153, 286331153)
-// lldbr-check:(generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case2) case2 = Regular<i16, i32, i64>::Case2 { generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case1: 0, generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case2: 286331153, generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case3: 286331153 }
-
-// lldb-command:print case3
-// lldbg-check:[...]$2 = Case3(0, 6438275382588823897)
-// lldbr-check:(generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case3) case3 = Regular<i16, i32, i64>::Case3 { generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case1: 0, generic_tuple_style_enum_legacy::Regular<i16, i32, i64>::Case2: 6438275382588823897 }
-
-// lldb-command:print univariant
-// lldbg-check:[...]$3 = TheOnlyCase(-1)
-// lldbr-check:(generic_tuple_style_enum_legacy::Univariant<i64>) univariant = { generic_tuple_style_enum_legacy::TheOnlyCase = { = -1 } }
-
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-use self::Regular::{Case1, Case2, Case3};
-use self::Univariant::TheOnlyCase;
-
-// NOTE: This is a copy of the non-generic test case. The `Txx` type parameters have to be
-// substituted with something of size `xx` bits and the same alignment as an integer type of the
-// same size.
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum Regular<T16, T32, T64> {
-    Case1(T64, T16, T16, T16, T16),
-    Case2(T64, T32, T32),
-    Case3(T64, T64)
-}
-
-enum Univariant<T64> {
-    TheOnlyCase(T64)
-}
-
-fn main() {
-
-    // In order to avoid endianness trouble all of the following test values consist of a single
-    // repeated byte. This way each interpretation of the union should look the same, no matter if
-    // this is a big or little endian machine.
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let case1: Regular<u16, u32, u64> = Case1(0_u64, 31868_u16, 31868_u16, 31868_u16, 31868_u16);
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let case2: Regular<i16, i32, i64> = Case2(0_i64, 286331153_i32, 286331153_i32);
-
-    // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
-    // 0b01011001010110010101100101011001 = 1499027801
-    // 0b0101100101011001 = 22873
-    // 0b01011001 = 89
-    let case3: Regular<i16, i32, i64> = Case3(0_i64, 6438275382588823897_i64);
-
-    let univariant = TheOnlyCase(-1_i64);
-
-    zzz(); // #break
-}
-
-fn zzz() { () }
diff --git a/src/test/debuginfo/recursive-struct-legacy.rs b/src/test/debuginfo/recursive-struct-legacy.rs
deleted file mode 100644
index 99286708ae2..00000000000
--- a/src/test/debuginfo/recursive-struct-legacy.rs
+++ /dev/null
@@ -1,235 +0,0 @@
-// ignore-tidy-linelength
-// ignore-lldb
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 7.11.90 - 7.12.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// gdb-command:run
-
-// gdb-command:print stack_unique.value
-// gdb-check:$1 = 0
-// gdbg-command:print stack_unique.next.RUST$ENCODED$ENUM$0$Empty.val->value
-// gdbr-command:print stack_unique.next.val.value
-// gdb-check:$2 = 1
-
-// gdbg-command:print unique_unique->value
-// gdbr-command:print unique_unique.value
-// gdb-check:$3 = 2
-// gdbg-command:print unique_unique->next.RUST$ENCODED$ENUM$0$Empty.val->value
-// gdbr-command:print unique_unique.next.val.value
-// gdb-check:$4 = 3
-
-// gdb-command:print vec_unique[0].value
-// gdb-check:$5 = 6.5
-// gdbg-command:print vec_unique[0].next.RUST$ENCODED$ENUM$0$Empty.val->value
-// gdbr-command:print vec_unique[0].next.val.value
-// gdb-check:$6 = 7.5
-
-// gdbg-command:print borrowed_unique->value
-// gdbr-command:print borrowed_unique.value
-// gdb-check:$7 = 8.5
-// gdbg-command:print borrowed_unique->next.RUST$ENCODED$ENUM$0$Empty.val->value
-// gdbr-command:print borrowed_unique.next.val.value
-// gdb-check:$8 = 9.5
-
-// LONG CYCLE
-// gdb-command:print long_cycle1.value
-// gdb-check:$9 = 20
-// gdbg-command:print long_cycle1.next->value
-// gdbr-command:print long_cycle1.next.value
-// gdb-check:$10 = 21
-// gdbg-command:print long_cycle1.next->next->value
-// gdbr-command:print long_cycle1.next.next.value
-// gdb-check:$11 = 22
-// gdbg-command:print long_cycle1.next->next->next->value
-// gdbr-command:print long_cycle1.next.next.next.value
-// gdb-check:$12 = 23
-
-// gdb-command:print long_cycle2.value
-// gdb-check:$13 = 24
-// gdbg-command:print long_cycle2.next->value
-// gdbr-command:print long_cycle2.next.value
-// gdb-check:$14 = 25
-// gdbg-command:print long_cycle2.next->next->value
-// gdbr-command:print long_cycle2.next.next.value
-// gdb-check:$15 = 26
-
-// gdb-command:print long_cycle3.value
-// gdb-check:$16 = 27
-// gdbg-command:print long_cycle3.next->value
-// gdbr-command:print long_cycle3.next.value
-// gdb-check:$17 = 28
-
-// gdb-command:print long_cycle4.value
-// gdb-check:$18 = 29.5
-
-// gdbg-command:print (*****long_cycle_w_anonymous_types).value
-// gdbr-command:print long_cycle_w_anonymous_types.value
-// gdb-check:$19 = 30
-
-// gdbg-command:print (*****((*****long_cycle_w_anonymous_types).next.RUST$ENCODED$ENUM$0$Empty.val)).value
-// gdbr-command:print long_cycle_w_anonymous_types.next.val.value
-// gdb-check:$20 = 31
-
-// gdb-command:continue
-
-#![allow(unused_variables)]
-#![feature(box_syntax)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-use self::Opt::{Empty, Val};
-
-enum Opt<T> {
-    Empty,
-    Val { val: T }
-}
-
-struct UniqueNode<T> {
-    next: Opt<Box<UniqueNode<T>>>,
-    value: T
-}
-
-struct LongCycle1<T> {
-    next: Box<LongCycle2<T>>,
-    value: T,
-}
-
-struct LongCycle2<T> {
-    next: Box<LongCycle3<T>>,
-    value: T,
-}
-
-struct LongCycle3<T> {
-    next: Box<LongCycle4<T>>,
-    value: T,
-}
-
-struct LongCycle4<T> {
-    next: Option<Box<LongCycle1<T>>>,
-    value: T,
-}
-
-struct LongCycleWithAnonymousTypes {
-    next: Opt<Box<Box<Box<Box<Box<LongCycleWithAnonymousTypes>>>>>>,
-    value: usize,
-}
-
-// This test case makes sure that recursive structs are properly described. The Node structs are
-// generic so that we can have a new type (that newly needs to be described) for the different
-// cases. The potential problem with recursive types is that the DI generation algorithm gets
-// trapped in an endless loop. To make sure, we actually test this in the different cases, we have
-// to operate on a new type each time, otherwise we would just hit the DI cache for all but the
-// first case.
-
-// The different cases below (stack_*, unique_*, box_*, etc) are set up so that the type description
-// algorithm will enter the type reference cycle that is created by a recursive definition from a
-// different context each time.
-
-// The "long cycle" cases are constructed to span a longer, indirect recursion cycle between types.
-// The different locals will cause the DI algorithm to enter the type reference cycle at different
-// points.
-
-fn main() {
-    let stack_unique: UniqueNode<u16> = UniqueNode {
-        next: Val {
-            val: box UniqueNode {
-                next: Empty,
-                value: 1,
-            }
-        },
-        value: 0,
-    };
-
-    let unique_unique: Box<UniqueNode<u32>> = box UniqueNode {
-        next: Val {
-            val: box UniqueNode {
-                next: Empty,
-                value: 3,
-            }
-        },
-        value: 2,
-    };
-
-    let vec_unique: [UniqueNode<f32>; 1] = [UniqueNode {
-        next: Val {
-            val: box UniqueNode {
-                next: Empty,
-                value: 7.5,
-            }
-        },
-        value: 6.5,
-    }];
-
-    let borrowed_unique: &UniqueNode<f64> = &UniqueNode {
-        next: Val {
-            val: box UniqueNode {
-                next: Empty,
-                value: 9.5,
-            }
-        },
-        value: 8.5,
-    };
-
-    // LONG CYCLE
-    let long_cycle1: LongCycle1<u16> = LongCycle1 {
-        next: box LongCycle2 {
-            next: box LongCycle3 {
-                next: box LongCycle4 {
-                    next: None,
-                    value: 23,
-                },
-                value: 22,
-            },
-            value: 21
-        },
-        value: 20
-    };
-
-    let long_cycle2: LongCycle2<u32> = LongCycle2 {
-        next: box LongCycle3 {
-            next: box LongCycle4 {
-                next: None,
-                value: 26,
-            },
-            value: 25,
-        },
-        value: 24
-    };
-
-    let long_cycle3: LongCycle3<u64> = LongCycle3 {
-        next: box LongCycle4 {
-            next: None,
-            value: 28,
-        },
-        value: 27,
-    };
-
-    let long_cycle4: LongCycle4<f32> = LongCycle4 {
-        next: None,
-        value: 29.5,
-    };
-
-    // It's important that LongCycleWithAnonymousTypes is encountered only at the end of the
-    // `box` chain.
-    let long_cycle_w_anonymous_types = box box box box box LongCycleWithAnonymousTypes {
-        next: Val {
-            val: box box box box box LongCycleWithAnonymousTypes {
-                next: Empty,
-                value: 31,
-            }
-        },
-        value: 30
-    };
-
-    zzz(); // #break
-}
-
-fn zzz() {()}
diff --git a/src/test/debuginfo/struct-style-enum-legacy.rs b/src/test/debuginfo/struct-style-enum-legacy.rs
deleted file mode 100644
index 1433493fd5d..00000000000
--- a/src/test/debuginfo/struct-style-enum-legacy.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 7.11.90 - 7.12.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:set print union on
-// gdb-command:run
-
-// gdb-command:print case1
-// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, a = 0, b = 31868, c = 31868, d = 31868, e = 31868}, {RUST$ENUM$DISR = Case1, [...]}, {RUST$ENUM$DISR = Case1, [...]}}
-// gdbr-check:$1 = struct_style_enum_legacy::Regular::Case1{a: 0, b: 31868, c: 31868, d: 31868, e: 31868}
-
-// gdb-command:print case2
-// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, a = 0, b = 286331153, c = 286331153}, {RUST$ENUM$DISR = Case2, [...]}}
-// gdbr-check:$2 = struct_style_enum_legacy::Regular::Case2{a: 0, b: 286331153, c: 286331153}
-
-// gdb-command:print case3
-// gdbg-check:$3 = {{RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, a = 0, b = 6438275382588823897}}
-// gdbr-check:$3 = struct_style_enum_legacy::Regular::Case3{a: 0, b: 6438275382588823897}
-
-// gdb-command:print univariant
-// gdbg-check:$4 = {{a = -1}}
-// gdbr-check:$4 = struct_style_enum_legacy::Univariant::TheOnlyCase{a: -1}
-
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:print case1
-// lldbg-check:[...]$0 = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 }
-// lldbr-check:(struct_style_enum_legacy::Regular::Case1) case1 = { a = 0 b = 31868 c = 31868 d = 31868 e = 31868 }
-
-// lldb-command:print case2
-// lldbg-check:[...]$1 = Case2 { a: 0, b: 286331153, c: 286331153 }
-// lldbr-check:(struct_style_enum_legacy::Regular::Case2) case2 = Case2 { struct_style_enum_legacy::Regular::Case1: 0, struct_style_enum_legacy::Regular::Case2: 286331153, struct_style_enum_legacy::Regular::Case3: 286331153 }
-
-// lldb-command:print case3
-// lldbg-check:[...]$2 = Case3 { a: 0, b: 6438275382588823897 }
-// lldbr-check:(struct_style_enum_legacy::Regular::Case3) case3 = Case3 { struct_style_enum_legacy::Regular::Case1: 0, struct_style_enum_legacy::Regular::Case2: 6438275382588823897 }
-
-// lldb-command:print univariant
-// lldbg-check:[...]$3 = TheOnlyCase { a: -1 }
-// lldbr-check:(struct_style_enum_legacy::Univariant) univariant = Univariant { struct_style_enum_legacy::TheOnlyCase: TheOnlyCase { a: -1 } }
-
-#![allow(unused_variables)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-use self::Regular::{Case1, Case2, Case3};
-use self::Univariant::TheOnlyCase;
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum Regular {
-    Case1 { a: u64, b: u16, c: u16, d: u16, e: u16},
-    Case2 { a: u64, b: u32, c: u32},
-    Case3 { a: u64, b: u64 }
-}
-
-enum Univariant {
-    TheOnlyCase { a: i64 }
-}
-
-fn main() {
-
-    // In order to avoid endianness trouble all of the following test values consist of a single
-    // repeated byte. This way each interpretation of the union should look the same, no matter if
-    // this is a big or little endian machine.
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let case1 = Case1 { a: 0, b: 31868, c: 31868, d: 31868, e: 31868 };
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let case2 = Case2 { a: 0, b: 286331153, c: 286331153 };
-
-    // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
-    // 0b01011001010110010101100101011001 = 1499027801
-    // 0b0101100101011001 = 22873
-    // 0b01011001 = 89
-    let case3 = Case3 { a: 0, b: 6438275382588823897 };
-
-    let univariant = TheOnlyCase { a: -1 };
-
-    zzz(); // #break
-}
-
-fn zzz() {()}
diff --git a/src/test/debuginfo/tuple-style-enum-legacy.rs b/src/test/debuginfo/tuple-style-enum-legacy.rs
deleted file mode 100644
index ebc8e034438..00000000000
--- a/src/test/debuginfo/tuple-style-enum-legacy.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 7.11.90 - 7.12.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:set print union on
-// gdb-command:run
-
-// gdb-command:print case1
-// gdbg-check:$1 = {{RUST$ENUM$DISR = Case1, __0 = 0, __1 = 31868, __2 = 31868, __3 = 31868, __4 = 31868}, {RUST$ENUM$DISR = Case1, [...]}, {RUST$ENUM$DISR = Case1, [...]}}
-// gdbr-check:$1 = tuple_style_enum_legacy::Regular::Case1(0, 31868, 31868, 31868, 31868)
-
-// gdb-command:print case2
-// gdbg-check:$2 = {{RUST$ENUM$DISR = Case2, [...]}, {RUST$ENUM$DISR = Case2, __0 = 0, __1 = 286331153, __2 = 286331153}, {RUST$ENUM$DISR = Case2, [...]}}
-// gdbr-check:$2 = tuple_style_enum_legacy::Regular::Case2(0, 286331153, 286331153)
-
-// gdb-command:print case3
-// gdbg-check:$3 = {{RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, [...]}, {RUST$ENUM$DISR = Case3, __0 = 0, __1 = 6438275382588823897}}
-// gdbr-check:$3 = tuple_style_enum_legacy::Regular::Case3(0, 6438275382588823897)
-
-// gdb-command:print univariant
-// gdbg-check:$4 = {{__0 = -1}}
-// gdbr-check:$4 = tuple_style_enum_legacy::Univariant::TheOnlyCase(-1)
-
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:print case1
-// lldbg-check:[...]$0 = Case1(0, 31868, 31868, 31868, 31868)
-// lldbr-check:(tuple_style_enum_legacy::Regular::Case1) case1 = { = 0 = 31868 = 31868 = 31868 = 31868 }
-
-// lldb-command:print case2
-// lldbg-check:[...]$1 = Case2(0, 286331153, 286331153)
-// lldbr-check:(tuple_style_enum_legacy::Regular::Case2) case2 = Case2 { tuple_style_enum_legacy::Regular::Case1: 0, tuple_style_enum_legacy::Regular::Case2: 286331153, tuple_style_enum_legacy::Regular::Case3: 286331153 }
-
-// lldb-command:print case3
-// lldbg-check:[...]$2 = Case3(0, 6438275382588823897)
-// lldbr-check:(tuple_style_enum_legacy::Regular::Case3) case3 = Case3 { tuple_style_enum_legacy::Regular::Case1: 0, tuple_style_enum_legacy::Regular::Case2: 6438275382588823897 }
-
-// lldb-command:print univariant
-// lldbg-check:[...]$3 = TheOnlyCase(-1)
-// lldbr-check:(tuple_style_enum_legacy::Univariant) univariant = { tuple_style_enum_legacy::TheOnlyCase = { = -1 } }
-
-#![allow(unused_variables)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-use self::Regular::{Case1, Case2, Case3};
-use self::Univariant::TheOnlyCase;
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum Regular {
-    Case1(u64, u16, u16, u16, u16),
-    Case2(u64, u32, u32),
-    Case3(u64, u64)
-}
-
-enum Univariant {
-    TheOnlyCase(i64)
-}
-
-fn main() {
-
-    // In order to avoid endianness trouble all of the following test values consist of a single
-    // repeated byte. This way each interpretation of the union should look the same, no matter if
-    // this is a big or little endian machine.
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let case1 = Case1(0, 31868, 31868, 31868, 31868);
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let case2 = Case2(0, 286331153, 286331153);
-
-    // 0b0101100101011001010110010101100101011001010110010101100101011001 = 6438275382588823897
-    // 0b01011001010110010101100101011001 = 1499027801
-    // 0b0101100101011001 = 22873
-    // 0b01011001 = 89
-    let case3 = Case3(0, 6438275382588823897);
-
-    let univariant = TheOnlyCase(-1);
-
-    zzz(); // #break
-}
-
-fn zzz() {()}
diff --git a/src/test/debuginfo/unique-enum-legacy.rs b/src/test/debuginfo/unique-enum-legacy.rs
deleted file mode 100644
index e7c93577528..00000000000
--- a/src/test/debuginfo/unique-enum-legacy.rs
+++ /dev/null
@@ -1,88 +0,0 @@
-// ignore-tidy-linelength
-// min-lldb-version: 310
-
-// As long as LLVM 5 and LLVM 6 are supported, we want to test the
-// enum debuginfo fallback mode.  Once those are desupported, this
-// test can be removed, as there is another (non-"legacy") test that
-// tests the new mode.
-// ignore-llvm-version: 7.0 - 9.9.9
-// ignore-gdb-version: 7.11.90 - 7.12.9
-// ignore-gdb-version: 8.2 - 9.9
-
-// compile-flags:-g
-
-// === GDB TESTS ===================================================================================
-
-// gdb-command:run
-
-// gdb-command:print *the_a
-// gdbg-check:$1 = {{RUST$ENUM$DISR = TheA, x = 0, y = 8970181431921507452}, {RUST$ENUM$DISR = TheA, [...]}}
-// gdbr-check:$1 = unique_enum_legacy::ABC::TheA{x: 0, y: 8970181431921507452}
-
-// gdb-command:print *the_b
-// gdbg-check:$2 = {{RUST$ENUM$DISR = TheB, [...]}, {RUST$ENUM$DISR = TheB, __0 = 0, __1 = 286331153, __2 = 286331153}}
-// gdbr-check:$2 = unique_enum_legacy::ABC::TheB(0, 286331153, 286331153)
-
-// gdb-command:print *univariant
-// gdbg-check:$3 = {{__0 = 123234}}
-// gdbr-check:$3 = unique_enum_legacy::Univariant::TheOnlyCase(123234)
-
-
-// === LLDB TESTS ==================================================================================
-
-// lldb-command:run
-
-// lldb-command:print *the_a
-// lldbg-check:[...]$0 = TheA { x: 0, y: 8970181431921507452 }
-// lldbr-check:(unique_enum_legacy::ABC::TheA) *the_a = TheA { unique_enum_legacy::ABC::TheA: 0, unique_enum_legacy::ABC::TheB: 8970181431921507452 }
-
-// lldb-command:print *the_b
-// lldbg-check:[...]$1 = TheB(0, 286331153, 286331153)
-// lldbr-check:(unique_enum_legacy::ABC::TheB) *the_b = { = 0 = 286331153 = 286331153 }
-
-// lldb-command:print *univariant
-// lldbg-check:[...]$2 = TheOnlyCase(123234)
-// lldbr-check:(unique_enum_legacy::Univariant) *univariant = { unique_enum_legacy::TheOnlyCase = { = 123234 } }
-
-#![allow(unused_variables)]
-#![feature(box_syntax)]
-#![feature(omit_gdb_pretty_printer_section)]
-#![omit_gdb_pretty_printer_section]
-
-// The first element is to ensure proper alignment, irrespective of the machines word size. Since
-// the size of the discriminant value is machine dependent, this has be taken into account when
-// datatype layout should be predictable as in this case.
-enum ABC {
-    TheA { x: i64, y: i64 },
-    TheB (i64, i32, i32),
-}
-
-// This is a special case since it does not have the implicit discriminant field.
-enum Univariant {
-    TheOnlyCase(i64)
-}
-
-fn main() {
-
-    // In order to avoid endianness trouble all of the following test values consist of a single
-    // repeated byte. This way each interpretation of the union should look the same, no matter if
-    // this is a big or little endian machine.
-
-    // 0b0111110001111100011111000111110001111100011111000111110001111100 = 8970181431921507452
-    // 0b01111100011111000111110001111100 = 2088533116
-    // 0b0111110001111100 = 31868
-    // 0b01111100 = 124
-    let the_a: Box<_> = box ABC::TheA { x: 0, y: 8970181431921507452 };
-
-    // 0b0001000100010001000100010001000100010001000100010001000100010001 = 1229782938247303441
-    // 0b00010001000100010001000100010001 = 286331153
-    // 0b0001000100010001 = 4369
-    // 0b00010001 = 17
-    let the_b: Box<_> = box ABC::TheB (0, 286331153, 286331153);
-
-    let univariant: Box<_> = box Univariant::TheOnlyCase(123234);
-
-    zzz(); // #break
-}
-
-fn zzz() {()}