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-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs14
-rw-r--r--compiler/rustc_codegen_llvm/src/llvm/ffi.rs43
-rw-r--r--compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp14
3 files changed, 29 insertions, 42 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs
index af72d4ea3de..37200fdc41a 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/type_map.rs
@@ -10,7 +10,7 @@ use rustc_middle::bug;
 use rustc_middle::ty::{self, ExistentialTraitRef, Ty, TyCtxt};
 
 use super::{DefinitionLocation, SmallVec, UNKNOWN_LINE_NUMBER, unknown_file_metadata};
-use crate::common::{AsCCharPtr, CodegenCx};
+use crate::common::CodegenCx;
 use crate::debuginfo::utils::{DIB, create_DIArray, debug_context};
 use crate::llvm::debuginfo::{DIFlags, DIScope, DIType};
 use crate::llvm::{self};
@@ -193,7 +193,6 @@ pub(super) fn stub<'ll, 'tcx>(
     flags: DIFlags,
 ) -> StubInfo<'ll, 'tcx> {
     let no_elements: &[Option<&llvm::Metadata>] = &[];
-    let empty_array = create_DIArray(DIB(cx), &[]);
     let unique_type_id_str = unique_type_id.generate_unique_id_string(cx.tcx);
 
     let (file_metadata, line_number) = if let Some(def_location) = def_location {
@@ -209,10 +208,10 @@ pub(super) fn stub<'ll, 'tcx>(
                 _ => None,
             };
             unsafe {
-                llvm::LLVMRustDIBuilderCreateStructType(
+                llvm::LLVMDIBuilderCreateStructType(
                     DIB(cx),
                     containing_scope,
-                    name.as_c_char_ptr(),
+                    name.as_ptr(),
                     name.len(),
                     file_metadata,
                     line_number,
@@ -220,10 +219,11 @@ pub(super) fn stub<'ll, 'tcx>(
                     align.bits() as u32,
                     flags,
                     None,
-                    empty_array,
-                    0,
+                    no_elements.as_ptr(),
+                    no_elements.len() as c_uint,
+                    0u32, // (Objective-C runtime version; default is 0)
                     vtable_holder,
-                    unique_type_id_str.as_c_char_ptr(),
+                    unique_type_id_str.as_ptr(),
                     unique_type_id_str.len(),
                 )
             }
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index bd26590e7d3..f88eaebc700 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -24,9 +24,9 @@ use rustc_target::spec::SymbolVisibility;
 
 use super::RustString;
 use super::debuginfo::{
-    DIArray, DIBasicType, DIBuilder, DICompositeType, DIDerivedType, DIDescriptor, DIEnumerator,
-    DIFile, DIFlags, DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram,
-    DISubrange, DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind,
+    DIArray, DIBasicType, DIBuilder, DIDerivedType, DIDescriptor, DIEnumerator, DIFile, DIFlags,
+    DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram, DISubrange,
+    DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind,
 };
 use crate::llvm;
 
@@ -1923,6 +1923,25 @@ unsafe extern "C" {
         Name: *const c_uchar, // See "PTR_LEN_STR".
         NameLen: size_t,
     ) -> &'ll Metadata;
+
+    pub(crate) fn LLVMDIBuilderCreateStructType<'ll>(
+        Builder: &DIBuilder<'ll>,
+        Scope: Option<&'ll Metadata>,
+        Name: *const c_uchar, // See "PTR_LEN_STR".
+        NameLen: size_t,
+        File: &'ll Metadata,
+        LineNumber: c_uint,
+        SizeInBits: u64,
+        AlignInBits: u32,
+        Flags: DIFlags,
+        DerivedFrom: Option<&'ll Metadata>,
+        Elements: *const Option<&'ll Metadata>,
+        NumElements: c_uint,
+        RunTimeLang: c_uint, // (optional Objective-C runtime version; default is 0)
+        VTableHolder: Option<&'ll Metadata>,
+        UniqueId: *const c_uchar, // See "PTR_LEN_STR".
+        UniqueIdLen: size_t,
+    ) -> &'ll Metadata;
 }
 
 #[link(name = "llvm-wrapper", kind = "static")]
@@ -2268,24 +2287,6 @@ unsafe extern "C" {
         Scope: Option<&'a DIScope>,
     ) -> &'a DIDerivedType;
 
-    pub(crate) fn LLVMRustDIBuilderCreateStructType<'a>(
-        Builder: &DIBuilder<'a>,
-        Scope: Option<&'a DIDescriptor>,
-        Name: *const c_char,
-        NameLen: size_t,
-        File: &'a DIFile,
-        LineNumber: c_uint,
-        SizeInBits: u64,
-        AlignInBits: u32,
-        Flags: DIFlags,
-        DerivedFrom: Option<&'a DIType>,
-        Elements: &'a DIArray,
-        RunTimeLang: c_uint,
-        VTableHolder: Option<&'a DIType>,
-        UniqueId: *const c_char,
-        UniqueIdLen: size_t,
-    ) -> &'a DICompositeType;
-
     pub(crate) fn LLVMRustDIBuilderCreateMemberType<'a>(
         Builder: &DIBuilder<'a>,
         Scope: &'a DIDescriptor,
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index e6be7e2961b..b4ca641674f 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -1074,20 +1074,6 @@ LLVMRustDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type,
       LineNo, unwrapDIPtr<DIScope>(Scope)));
 }
 
-extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateStructType(
-    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
-    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
-    uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
-    LLVMMetadataRef DerivedFrom, LLVMMetadataRef Elements, unsigned RunTimeLang,
-    LLVMMetadataRef VTableHolder, const char *UniqueId, size_t UniqueIdLen) {
-  return wrap(unwrap(Builder)->createStructType(
-      unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
-      unwrapDI<DIFile>(File), LineNumber, SizeInBits, AlignInBits,
-      fromRust(Flags), unwrapDI<DIType>(DerivedFrom),
-      DINodeArray(unwrapDI<MDTuple>(Elements)), RunTimeLang,
-      unwrapDI<DIType>(VTableHolder), StringRef(UniqueId, UniqueIdLen)));
-}
-
 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariantPart(
     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
     size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,