1; RUN: llc -O1 -filetype=asm -mtriple x86_64-unknown-linux-gnu -mcpu=x86-64 -o - %s -stop-after=livedebugvars | FileCheck %s 2 3; CHECK: $eax = MOV32rm 4; CHECK: DBG_VALUE debug-use $eax 5; CHECK: $eax = SHL32rCL killed renamable $eax 6; CHECK: DBG_VALUE debug-use $eax 7; CHECK: DBG_VALUE debug-use $rsp, 0, !{{[0-9]+}}, !DIExpression(DW_OP_constu, 4, DW_OP_minus) 8; CHECK: DBG_VALUE debug-use $eax 9; CHECK: $eax = SHL32rCL killed renamable $eax 10; CHECK: DBG_VALUE debug-use $eax 11; CHECK: RETQ $eax 12 13target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 14target triple = "x86_64-unknown-linux-gnu" 15 16@var = local_unnamed_addr global i32 8, !dbg !0 17@sc = local_unnamed_addr global i32 1, !dbg !6 18 19define i32 @main() local_unnamed_addr !dbg !14 { 20entry: 21 %0 = load i32, i32* @var 22 tail call void @llvm.dbg.value(metadata i32 %0, metadata !18, metadata !DIExpression()), !dbg !20 23 %1 = load i32, i32* @sc 24 %shl = shl i32 %0, %1 25 tail call void @llvm.dbg.value(metadata i32 %shl, metadata !18, metadata !DIExpression()), !dbg !20 26 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 27 %2 = load i32, i32* @sc 28 %shl2 = shl i32 %shl, %2 29 tail call void @llvm.dbg.value(metadata i32 %shl2, metadata !18, metadata !DIExpression()), !dbg !20 30 store i32 %shl2, i32* @var 31 ret i32 %shl2 32} 33 34declare void @llvm.dbg.value(metadata, metadata, metadata) 35 36!llvm.dbg.cu = !{!2} 37!llvm.module.flags = !{!10, !11, !12} 38 39!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 40!1 = distinct !DIGlobalVariable(name: "var", scope: !2, file: !3, line: 10, type: !9, isLocal: false, isDefinition: true) 41!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) 42!3 = !DIFile(filename: "bar.c", directory: ".") 43!4 = !{} 44!5 = !{!0, !6} 45!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 46!7 = distinct !DIGlobalVariable(name: "sc", scope: !2, file: !3, line: 11, type: !8, isLocal: false, isDefinition: true) 47!8 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) 48!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 49!10 = !{i32 2, !"Dwarf Version", i32 4} 50!11 = !{i32 2, !"Debug Info Version", i32 3} 51!12 = !{i32 1, !"wchar_size", i32 4} 52!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) 53!15 = !DISubroutineType(types: !16) 54!16 = !{!9} 55!17 = !{!18} 56!18 = !DILocalVariable(name: "bazinga", scope: !14, file: !3, line: 13, type: !9) 57!20 = !DILocation(line: 13, column: 7, scope: !14) 58!25 = !{i32 -2147471481} 59