Merge pull request #4021 from RalfJung/rustup

Rustup

5 files changed, 95 insertions, 6 deletions

diff --git a/tests/codegen/asm/s390x-clobbers.rs b/tests/codegen/asm/s390x-clobbers.rs
index 45f72206bdf..56d82b4b044 100644
--- a/tests/codegen/asm/s390x-clobbers.rs
+++ b/tests/codegen/asm/s390x-clobbers.rs
@@ -3,7 +3,7 @@
 //@[s390x] needs-llvm-components: systemz
 
 #![crate_type = "rlib"]
-#![feature(no_core, rustc_attrs, lang_items, asm_experimental_arch)]
+#![feature(no_core, rustc_attrs, lang_items)]
 #![no_core]
 
 #[lang = "sized"]
diff --git a/tests/codegen/debuginfo-proc-macro/auxiliary/macro_def.rs b/tests/codegen/debuginfo-proc-macro/auxiliary/macro_def.rs
new file mode 100644
index 00000000000..159ecfd0974
--- /dev/null
+++ b/tests/codegen/debuginfo-proc-macro/auxiliary/macro_def.rs
@@ -0,0 +1,11 @@
+//@ force-host
+//@ no-prefer-dynamic
+#![crate_type = "proc-macro"]
+
+extern crate proc_macro;
+use proc_macro::*;
+
+#[proc_macro]
+pub fn square_twice(_item: TokenStream) -> TokenStream {
+    "(square(env::vars().count() as i32), square(env::vars().count() as i32))".parse().unwrap()
+}
diff --git a/tests/codegen/debuginfo-proc-macro/mir_inlined_twice_var_locs.rs b/tests/codegen/debuginfo-proc-macro/mir_inlined_twice_var_locs.rs
new file mode 100644
index 00000000000..c3858044c0c
--- /dev/null
+++ b/tests/codegen/debuginfo-proc-macro/mir_inlined_twice_var_locs.rs
@@ -0,0 +1,53 @@
+//@ min-llvm-version: 19
+//@ compile-flags: -Cdebuginfo=2 -Copt-level=0 -Zmir-enable-passes=+Inline
+// MSVC is different because of the individual allocas.
+//@ ignore-msvc
+
+//@ aux-build:macro_def.rs
+
+// Find the variable.
+// CHECK-DAG: ![[#var_dbg:]] = !DILocalVariable(name: "n",{{( arg: 1,)?}} scope: ![[#var_scope:]]
+
+// Find both dbg_declares. These will proceed the variable metadata, of course, so we're looking
+// backwards.
+// CHECK-DAG: dbg_declare(ptr %n.dbg.spill{{[0-9]}}, ![[#var_dbg]], !DIExpression(), ![[#var_loc2:]])
+// CHECK-DAG: dbg_declare(ptr %n.dbg.spill, ![[#var_dbg]], !DIExpression(), ![[#var_loc1:]])
+
+// Find the first location definition, looking forwards again.
+// CHECK: ![[#var_loc1]] = !DILocation
+// CHECK-SAME: scope: ![[#var_scope:]], inlinedAt: ![[#var_inlinedAt1:]]
+
+// Find the first location's inlinedAt
+// NB: If we fail here it's *probably* because we failed to produce two
+// different locations and ended up reusing an earlier one.
+// CHECK: ![[#var_inlinedAt1]] = !DILocation
+// CHECK-SAME: scope: ![[var_inlinedAt1_scope:]]
+
+// Find the second location definition, still looking forwards.
+// NB: If we failed to produce two different locations, the test will
+// definitely fail by this point (if it hasn't already) because we won't
+// be able to find the same line again.
+// CHECK: ![[#var_loc2]] = !DILocation
+// CHECK-SAME: scope: ![[#var_scope]], inlinedAt: ![[#var_inlinedAt2:]]
+
+// Find the second location's inlinedAt.
+// CHECK: ![[#var_inlinedAt2]] = !DILocation
+// CHECK-SAME: scope: ![[#var_inlinedAt2_scope:]]
+
+// Finally, check that a discriminator was emitted for the second scope.
+// FIXMEkhuey ideally we would check that *either* scope has a discriminator
+// but I don't know that it's possible to check that with FileCheck.
+// CHECK: ![[#var_inlinedAt2_scope]] = !DILexicalBlockFile
+// CHECK-SAME: discriminator: [[#]]
+extern crate macro_def;
+
+use std::env;
+
+fn square(n: i32) -> i32 {
+    n * n
+}
+
+fn main() {
+    let (z1, z2) = macro_def::square_twice!();
+    println!("{z1} == {z2}");
+}
diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs
index 7fa1d659885..503799d3ed2 100644
--- a/tests/codegen/function-arguments.rs
+++ b/tests/codegen/function-arguments.rs
@@ -1,5 +1,6 @@
 //@ compile-flags: -O -C no-prepopulate-passes
 #![crate_type = "lib"]
+#![feature(rustc_attrs)]
 #![feature(dyn_star)]
 #![feature(allocator_api)]
 
@@ -143,13 +144,28 @@ pub fn indirect_struct(_: S) {}
 #[no_mangle]
 pub fn borrowed_struct(_: &S) {}
 
-// CHECK: @option_borrow(ptr noalias noundef readonly align 4 dereferenceable_or_null(4) %x)
+// CHECK: @option_borrow(ptr noalias noundef readonly align 4 dereferenceable_or_null(4) %_x)
 #[no_mangle]
-pub fn option_borrow(x: Option<&i32>) {}
+pub fn option_borrow(_x: Option<&i32>) {}
 
-// CHECK: @option_borrow_mut(ptr noalias noundef align 4 dereferenceable_or_null(4) %x)
+// CHECK: @option_borrow_mut(ptr noalias noundef align 4 dereferenceable_or_null(4) %_x)
 #[no_mangle]
-pub fn option_borrow_mut(x: Option<&mut i32>) {}
+pub fn option_borrow_mut(_x: Option<&mut i32>) {}
+
+// Function that must NOT have `dereferenceable` or `align`.
+#[rustc_layout_scalar_valid_range_start(16)]
+pub struct RestrictedAddress(&'static i16);
+enum E {
+    A(RestrictedAddress),
+    B,
+    C,
+}
+// If the `nonnull` ever goes missing, you might have to tweak the
+// scalar_valid_range on `RestrictedAddress` to get it back. You
+// might even have to add a `rustc_layout_scalar_valid_range_end`.
+// CHECK: @nonnull_and_nondereferenceable(ptr noundef nonnull %_x)
+#[no_mangle]
+pub fn nonnull_and_nondereferenceable(_x: E) {}
 
 // CHECK: @raw_struct(ptr noundef %_1)
 #[no_mangle]
diff --git a/tests/codegen/try_question_mark_nop.rs b/tests/codegen/try_question_mark_nop.rs
index bbab0d9eb1d..b68ecce869e 100644
--- a/tests/codegen/try_question_mark_nop.rs
+++ b/tests/codegen/try_question_mark_nop.rs
@@ -1,6 +1,10 @@
 //@ compile-flags: -O -Z merge-functions=disabled --edition=2021
 //@ only-x86_64
 // FIXME: Remove the `min-llvm-version`.
+//@ revisions: NINETEEN TWENTY
+//@[NINETEEN] min-llvm-version: 19
+//@[NINETEEN] ignore-llvm-version: 20-99
+//@[TWENTY] min-llvm-version: 20
 //@ min-llvm-version: 19
 
 #![crate_type = "lib"]
@@ -13,8 +17,11 @@ use std::ptr::NonNull;
 #[no_mangle]
 pub fn option_nop_match_32(x: Option<u32>) -> Option<u32> {
     // CHECK: start:
+    // TWENTY-NEXT: %trunc = trunc nuw i32 %0 to i1
+    // TWENTY-NEXT: %.2 = select i1 %trunc, i32 %1, i32 undef
     // CHECK-NEXT: [[REG1:%.*]] = insertvalue { i32, i32 } poison, i32 %0, 0
-    // CHECK-NEXT: [[REG2:%.*]] = insertvalue { i32, i32 } [[REG1]], i32 %1, 1
+    // NINETEEN-NEXT: [[REG2:%.*]] = insertvalue { i32, i32 } [[REG1]], i32 %1, 1
+    // TWENTY-NEXT: [[REG2:%.*]] = insertvalue { i32, i32 } [[REG1]], i32 %.2, 1
     // CHECK-NEXT: ret { i32, i32 } [[REG2]]
     match x {
         Some(x) => Some(x),
@@ -26,6 +33,8 @@ pub fn option_nop_match_32(x: Option<u32>) -> Option<u32> {
 #[no_mangle]
 pub fn option_nop_traits_32(x: Option<u32>) -> Option<u32> {
     // CHECK: start:
+    // TWENTY-NEXT: %trunc = trunc nuw i32 %0 to i1
+    // TWENTY-NEXT: %.1 = select i1 %trunc, i32 %1, i32 undef
     // CHECK-NEXT: insertvalue { i32, i32 }
     // CHECK-NEXT: insertvalue { i32, i32 }
     // CHECK-NEXT: ret { i32, i32 }