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63 lines
2.6 KiB
LLVM
63 lines
2.6 KiB
LLVM
; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-line %t | FileCheck %s
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;
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; Generated from:
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;
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; int foo(int i) {
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; if (i < 10) return i - 1;
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; return 0;
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; }
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;
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; Manually generated debug nodes !14 and !15 to incorporate an
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; arbitrary discriminator with value 42.
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define i32 @foo(i32 %i) #0 !dbg !4 {
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entry:
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%retval = alloca i32, align 4
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%i.addr = alloca i32, align 4
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store i32 %i, i32* %i.addr, align 4
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%0 = load i32, i32* %i.addr, align 4, !dbg !10
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%cmp = icmp slt i32 %0, 10, !dbg !10
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br i1 %cmp, label %if.then, label %if.end, !dbg !10
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if.then: ; preds = %entry
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%1 = load i32, i32* %i.addr, align 4, !dbg !14
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%sub = sub nsw i32 %1, 1, !dbg !14
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store i32 %sub, i32* %retval, !dbg !14
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br label %return, !dbg !14
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if.end: ; preds = %entry
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store i32 0, i32* %retval, !dbg !12
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br label %return, !dbg !12
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return: ; preds = %if.end, %if.then
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%2 = load i32, i32* %retval, !dbg !13
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ret i32 %2, !dbg !13
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "discriminator.c", directory: ".")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "discriminator.c", directory: ".")
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!6 = !DISubroutineType(types: !2)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 1, !"Debug Info Version", i32 3}
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!9 = !{!"clang version 3.5 "}
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!10 = !DILocation(line: 2, scope: !11)
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!11 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
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!12 = !DILocation(line: 3, scope: !4)
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!13 = !DILocation(line: 4, scope: !4)
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!14 = !DILocation(line: 2, scope: !15)
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!15 = !DILexicalBlockFile(discriminator: 42, file: !1, scope: !4)
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; CHECK: Address Line Column File ISA Discriminator Flags
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; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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; CHECK: 0x000000000000000a 2 0 1 0 42 {{$}}
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