diff options
Diffstat (limited to 'llvm/test/DebugInfo/X86/vla.ll')
| -rw-r--r-- | llvm/test/DebugInfo/X86/vla.ll | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/llvm/test/DebugInfo/X86/vla.ll b/llvm/test/DebugInfo/X86/vla.ll index 7d4aff8470d..4e4f7fbb36b 100644 --- a/llvm/test/DebugInfo/X86/vla.ll +++ b/llvm/test/DebugInfo/X86/vla.ll @@ -1,7 +1,21 @@ ; RUN: llc -O0 -mtriple=x86_64-apple-darwin -filetype=asm %s -o - | FileCheck %s +; RUN: llc -O0 -mtriple=x86_64-apple-darwin -filetype=obj %s -o - | llvm-dwarfdump - --name=a | FileCheck --check-prefix=OBJFILE %s +; REQUIRES: object-emission +; ; Ensure that we generate an indirect location for the variable length array a. -; CHECK: ##DEBUG_VALUE: vla:a <- [DW_OP_deref] [{{\$r[a-z]+}}+0] +; +; CHECK: ##DEBUG_VALUE: vla:a <- [DW_OP_deref] {{\$r[a-z]+}} ; CHECK: DW_OP_breg{{[0-9]}} +; +; Ensure there's only one level of indirection in the vla location -- it should +; be a memory location. Base register can be any allocatable one; variables are +; filtered by --name arg to llvm-dwarfdump. +; +; OBJFILE: DW_TAG_variable +; OBJFILE: DW_AT_location +; OBJFILE-NEXT: ): DW_OP_breg{{[0-9]+}} R{{[0-9A-Z]+}}+0) +; OBJFILE: DW_AT_name ("a") +; ; rdar://problem/13658587 ; ; generated from: @@ -33,7 +47,7 @@ entry: %2 = call i8* @llvm.stacksave(), !dbg !17 store i8* %2, i8** %saved_stack, !dbg !17 %vla = alloca i32, i64 %1, align 16, !dbg !17 - call void @llvm.dbg.declare(metadata i32* %vla, metadata !18, metadata !DIExpression(DW_OP_deref)), !dbg !17 + call void @llvm.dbg.declare(metadata i32* %vla, metadata !18, metadata !DIExpression()), !dbg !17 %arrayidx = getelementptr inbounds i32, i32* %vla, i64 0, !dbg !22 store i32 42, i32* %arrayidx, align 4, !dbg !22 %3 = load i32, i32* %n.addr, align 4, !dbg !23 |
