| ; RUN: llc -O1 -filetype=asm -mtriple x86_64-unknown-linux-gnu -mcpu=x86-64 \ |
| ; RUN: -o - %s -stop-after=livedebugvars \ |
| ; RUN: -experimental-debug-variable-locations=false \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK |
| ; RUN: llc -O1 -filetype=asm -mtriple x86_64-unknown-linux-gnu -mcpu=x86-64 \ |
| ; RUN: -o - %s -stop-after=livedebugvars \ |
| ; RUN: -experimental-debug-variable-locations=true \ |
| ; RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREF |
| |
| ; CHECK: $eax = MOV32rm |
| ; INSTRREF-SAME: debug-instr-number 1 |
| ; INSTRREF: DBG_INSTR_REF 1, 0 |
| ; CHECK: DBG_VALUE $eax |
| ; CHECK: $eax = SHL32rCL killed renamable $eax, |
| ; INSTRREF-SAME: debug-instr-number 2 |
| ; INSTRREF: DBG_INSTR_REF 2, 0 |
| ; CHECK: DBG_VALUE $eax |
| ; CHECK: DBG_VALUE $rsp, 0, !{{[0-9]+}}, !DIExpression(DW_OP_constu, 4, DW_OP_minus) |
| ; CHECK: DBG_VALUE $eax |
| ; CHECK: $eax = SHL32rCL killed renamable $eax, |
| ; INSTRREF-SAME: debug-instr-number 3 |
| ; INSTRREF: DBG_INSTR_REF 3, 0 |
| ; CHECK: DBG_VALUE $eax |
| ; CHECK: RET64 $eax |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @var = local_unnamed_addr global i32 8, !dbg !0 |
| @sc = local_unnamed_addr global i32 1, !dbg !6 |
| |
| define i32 @main() local_unnamed_addr !dbg !14 { |
| entry: |
| %0 = load i32, i32* @var |
| tail call void @llvm.dbg.value(metadata i32 %0, metadata !18, metadata !DIExpression()), !dbg !20 |
| %1 = load i32, i32* @sc |
| %shl = shl i32 %0, %1 |
| tail call void @llvm.dbg.value(metadata i32 %shl, metadata !18, metadata !DIExpression()), !dbg !20 |
| 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 |
| %2 = load i32, i32* @sc |
| %shl2 = shl i32 %shl, %2 |
| tail call void @llvm.dbg.value(metadata i32 %shl2, metadata !18, metadata !DIExpression()), !dbg !20 |
| store i32 %shl2, i32* @var |
| ret i32 %shl2, !dbg !20 |
| } |
| |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!10, !11, !12} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "var", scope: !2, file: !3, line: 10, type: !9, isLocal: false, isDefinition: true) |
| !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) |
| !3 = !DIFile(filename: "bar.c", directory: ".") |
| !4 = !{} |
| !5 = !{!0, !6} |
| !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) |
| !7 = distinct !DIGlobalVariable(name: "sc", scope: !2, file: !3, line: 11, type: !8, isLocal: false, isDefinition: true) |
| !8 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) |
| !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !10 = !{i32 2, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{i32 1, !"wchar_size", i32 4} |
| !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) |
| !15 = !DISubroutineType(types: !16) |
| !16 = !{!9} |
| !17 = !{!18} |
| !18 = !DILocalVariable(name: "bazinga", scope: !14, file: !3, line: 13, type: !9) |
| !20 = !DILocation(line: 13, column: 7, scope: !14) |
| !25 = !{i32 -2147471481} |