Use LLVMDIBuilderGetOrCreateSubrange

Author: Zalathar

compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs

@@ -117,7 +117,7 @@ fn build_fixed_size_array_di_node<'ll, 'tcx>(
         .try_to_target_usize(cx.tcx)
         .expect("expected monomorphic const in codegen") as c_longlong;
 
-    let subrange = unsafe { llvm::LLVMRustDIBuilderGetOrCreateSubrange(DIB(cx), 0, upper_bound) };
+    let subrange = unsafe { llvm::LLVMDIBuilderGetOrCreateSubrange(DIB(cx), 0, upper_bound) };
     let subscripts = &[subrange];
 
     let di_node = unsafe {

compiler/rustc_codegen_llvm/src/llvm/ffi.rs

@@ -25,7 +25,7 @@ use rustc_target::spec::SymbolVisibility;
 use super::RustString;
 use super::debuginfo::{
     DIArray, DIBuilder, DIDerivedType, DIDescriptor, DIEnumerator, DIFile, DIFlags,
-    DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram, DISubrange,
+    DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram,
     DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind,
 };
 use crate::llvm;
@@ -890,7 +890,6 @@ pub(crate) mod debuginfo {
     pub(crate) type DIVariable = DIDescriptor;
     pub(crate) type DIGlobalVariableExpression = DIDescriptor;
     pub(crate) type DIArray = DIDescriptor;
-    pub(crate) type DISubrange = DIDescriptor;
     pub(crate) type DIEnumerator = DIDescriptor;
     pub(crate) type DITemplateTypeParameter = DIDescriptor;
 
@@ -1989,6 +1988,12 @@ unsafe extern "C" {
         Scope: Option<&'ll Metadata>,
         AlignInBits: u32, // (optional; default is 0)
     ) -> &'ll Metadata;
+
+    pub(crate) fn LLVMDIBuilderGetOrCreateSubrange<'ll>(
+        Builder: &DIBuilder<'ll>,
+        LowerBound: i64,
+        Count: i64,
+    ) -> &'ll Metadata;
 }
 
 #[link(name = "llvm-wrapper", kind = "static")]
@@ -2370,12 +2375,6 @@ unsafe extern "C" {
         AlignInBits: u32,
     ) -> &'a DIVariable;
 
-    pub(crate) fn LLVMRustDIBuilderGetOrCreateSubrange<'a>(
-        Builder: &DIBuilder<'a>,
-        Lo: i64,
-        Count: i64,
-    ) -> &'a DISubrange;
-
     pub(crate) fn LLVMRustDIBuilderGetOrCreateArray<'a>(
         Builder: &DIBuilder<'a>,
         Ptr: *const Option<&'a DIDescriptor>,

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -1142,12 +1142,6 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateVariable(
   }
 }
 
-extern "C" LLVMMetadataRef
-LLVMRustDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder, int64_t Lo,
-                                     int64_t Count) {
-  return wrap(unwrap(Builder)->getOrCreateSubrange(Lo, Count));
-}
-
 extern "C" LLVMMetadataRef
 LLVMRustDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder,
                                   LLVMMetadataRef *Ptr, unsigned Count) {