59 lines
2.7 KiB
LLVM
59 lines
2.7 KiB
LLVM
; RUN: llc -O1 -filetype=asm -mtriple x86_64-unknown-linux-gnu -mcpu=x86-64 -o - %s -stop-after=livedebugvars | FileCheck %s
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; CHECK: $eax = MOV32rm
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; CHECK: DBG_VALUE $eax
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; CHECK: $eax = SHL32rCL killed renamable $eax
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; CHECK: DBG_VALUE $eax
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; CHECK: DBG_VALUE $rsp, 0, !{{[0-9]+}}, !DIExpression(DW_OP_constu, 4, DW_OP_minus)
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; CHECK: DBG_VALUE $eax
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; CHECK: $eax = SHL32rCL killed renamable $eax
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; CHECK: DBG_VALUE $eax
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; CHECK: RETQ $eax
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@var = local_unnamed_addr global i32 8, !dbg !0
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@sc = local_unnamed_addr global i32 1, !dbg !6
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define i32 @main() local_unnamed_addr !dbg !14 {
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entry:
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%0 = load i32, i32* @var
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tail call void @llvm.dbg.value(metadata i32 %0, metadata !18, metadata !DIExpression()), !dbg !20
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%1 = load i32, i32* @sc
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%shl = shl i32 %0, %1
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tail call void @llvm.dbg.value(metadata i32 %shl, metadata !18, metadata !DIExpression()), !dbg !20
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tail call void asm sideeffect "", "~{rax},~{rbx},~{rcx},~{rdx},~{rsi},~{rdi},~{rbp},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15},~{dirflag},~{fpsr},~{flags}"(), !srcloc !25
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%2 = load i32, i32* @sc
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%shl2 = shl i32 %shl, %2
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tail call void @llvm.dbg.value(metadata i32 %shl2, metadata !18, metadata !DIExpression()), !dbg !20
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store i32 %shl2, i32* @var
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ret i32 %shl2
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11, !12}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "var", scope: !2, file: !3, line: 10, type: !9, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "bar.c", directory: ".")
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!4 = !{}
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!5 = !{!0, !6}
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!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = distinct !DIGlobalVariable(name: "sc", scope: !2, file: !3, line: 11, type: !8, isLocal: false, isDefinition: true)
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!8 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!14 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 12, type: !15, isLocal: false, isDefinition: true, scopeLine: 12, isOptimized: true, unit: !2, retainedNodes: !17)
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!15 = !DISubroutineType(types: !16)
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!16 = !{!9}
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!17 = !{!18}
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!18 = !DILocalVariable(name: "bazinga", scope: !14, file: !3, line: 13, type: !9)
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!20 = !DILocation(line: 13, column: 7, scope: !14)
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!25 = !{i32 -2147471481}
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