Use LLVMDIBuilderCreate(Auto|Parameter)Variable

compiler/rustc_codegen_llvm/src/llvm/ffi.rs

@@ -26,7 +26,7 @@ use super::RustString;
 use super::debuginfo::{
     DIArray, DIBuilder, DIDerivedType, DIDescriptor, DIEnumerator, DIFile, DIFlags,
     DIGlobalVariableExpression, DILocation, DISPFlags, DIScope, DISubprogram,
-    DITemplateTypeParameter, DIType, DIVariable, DebugEmissionKind, DebugNameTableKind,
+    DITemplateTypeParameter, DIType, DebugEmissionKind, DebugNameTableKind,
 };
 use crate::llvm;
 
@@ -2017,6 +2017,32 @@ unsafe extern "C" {
         DebugLoc: &'ll Metadata,
         Block: &'ll BasicBlock,
     ) -> &'ll DbgRecord;
+
+    pub(crate) fn LLVMDIBuilderCreateAutoVariable<'ll>(
+        Builder: &DIBuilder<'ll>,
+        Scope: &'ll Metadata,
+        Name: *const c_uchar, // See "PTR_LEN_STR".
+        NameLen: size_t,
+        File: &'ll Metadata,
+        LineNo: c_uint,
+        Ty: &'ll Metadata,
+        AlwaysPreserve: llvm::Bool, // "If true, this descriptor will survive optimizations."
+        Flags: DIFlags,
+        AlignInBits: u32,
+    ) -> &'ll Metadata;
+
+    pub(crate) fn LLVMDIBuilderCreateParameterVariable<'ll>(
+        Builder: &DIBuilder<'ll>,
+        Scope: &'ll Metadata,
+        Name: *const c_uchar, // See "PTR_LEN_STR".
+        NameLen: size_t,
+        ArgNo: c_uint,
+        File: &'ll Metadata,
+        LineNo: c_uint,
+        Ty: &'ll Metadata,
+        AlwaysPreserve: llvm::Bool, // "If true, this descriptor will survive optimizations."
+        Flags: DIFlags,
+    ) -> &'ll Metadata;
 }
 
 #[link(name = "llvm-wrapper", kind = "static")]
@@ -2383,21 +2409,6 @@ unsafe extern "C" {
         AlignInBits: u32,
     ) -> &'a DIGlobalVariableExpression;
 
-    pub(crate) fn LLVMRustDIBuilderCreateVariable<'a>(
-        Builder: &DIBuilder<'a>,
-        Tag: c_uint,
-        Scope: &'a DIDescriptor,
-        Name: *const c_char,
-        NameLen: size_t,
-        File: &'a DIFile,
-        LineNo: c_uint,
-        Ty: &'a DIType,
-        AlwaysPreserve: bool,
-        Flags: DIFlags,
-        ArgNo: c_uint,
-        AlignInBits: u32,
-    ) -> &'a DIVariable;
-
     pub(crate) fn LLVMRustDIBuilderCreateEnumerator<'a>(
         Builder: &DIBuilder<'a>,
         Name: *const c_char,