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49 lines
2.4 KiB
LLVM
49 lines
2.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
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; Check that the line table starts at 7, not 4, but that the first
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; statement isn't until line 8.
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; CHECK-NOT: 0x0000000000000000 7 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000000 7 0 1 0
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; CHECK: 0x0000000000000004 8 18 1 0 0 is_stmt prologue_end
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define i32 @callee(i32 %x) nounwind uwtable ssp !dbg !5 {
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entry:
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%x.addr = alloca i32, align 4
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%y = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !DIExpression()), !dbg !13
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call void @llvm.dbg.declare(metadata i32* %y, metadata !14, metadata !DIExpression()), !dbg !16
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%0 = load i32, i32* %x.addr, align 4, !dbg !17
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%1 = load i32, i32* %x.addr, align 4, !dbg !17
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%mul = mul nsw i32 %0, %1, !dbg !17
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store i32 %mul, i32* %y, align 4, !dbg !17
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%2 = load i32, i32* %y, align 4, !dbg !18
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%sub = sub nsw i32 %2, 2, !dbg !18
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ret i32 %sub, !dbg !18
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!20}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 153921) (llvm/trunk 153916)", isOptimized: false, emissionKind: FullDebug, file: !19, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1)
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!1 = !{}
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!3 = !{!5}
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!5 = distinct !DISubprogram(name: "callee", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 7, file: !19, scope: !6, type: !7)
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!6 = !DIFile(filename: "ending-run.c", directory: "/Users/echristo/tmp")
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !9}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !DILocalVariable(name: "x", line: 5, arg: 1, scope: !5, file: !6, type: !9)
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!13 = !DILocation(line: 5, column: 5, scope: !5)
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!14 = !DILocalVariable(name: "y", line: 8, scope: !15, file: !6, type: !9)
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!15 = distinct !DILexicalBlock(line: 7, column: 1, file: !19, scope: !5)
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!16 = !DILocation(line: 8, column: 9, scope: !15)
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!17 = !DILocation(line: 8, column: 18, scope: !15)
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!18 = !DILocation(line: 9, column: 5, scope: !15)
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!19 = !DIFile(filename: "ending-run.c", directory: "/Users/echristo/tmp")
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!20 = !{i32 1, !"Debug Info Version", i32 3}
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