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75 lines
3.6 KiB
75 lines
3.6 KiB
4 months ago
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; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
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;
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; Generated from:
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;
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; #1 void foo(int);
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; #2 void baz(int i) {
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; #3 if (i) {foo(i+1);/*discriminator 1*/}
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; #4 }
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;
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; The intent is to test discriminator 1 generated for all instructions in
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; the taken branch.
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; Function Attrs: uwtable
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define void @_Z3bazi(i32) #0 !dbg !6 {
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%2 = alloca i32, align 4
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store i32 %0, i32* %2, align 4
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call void @llvm.dbg.declare(metadata i32* %2, metadata !10, metadata !11), !dbg !12
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%3 = load i32, i32* %2, align 4, !dbg !13
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%4 = icmp ne i32 %3, 0, !dbg !13
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br i1 %4, label %5, label %8, !dbg !15
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; <label>:5: ; preds = %1
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%6 = load i32, i32* %2, align 4, !dbg !16
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%7 = add nsw i32 %6, 1, !dbg !19
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call void @_Z3fooi(i32 %7), !dbg !20
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br label %8, !dbg !21
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; <label>:8: ; preds = %5, %1
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ret void, !dbg !22
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @_Z3fooi(i32) #2
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attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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attributes #2 = { "disable-tail-calls"="false" "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" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 267518)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.cc", directory: ".")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{!"clang version 3.9.0 (trunk 267518)"}
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!6 = distinct !DISubprogram(name: "baz", linkageName: "_Z3bazi", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!7 = !DISubroutineType(types: !8)
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!8 = !{null, !9}
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!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DILocalVariable(name: "i", arg: 1, scope: !6, file: !1, line: 2, type: !9)
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!11 = !DIExpression()
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!12 = !DILocation(line: 2, column: 14, scope: !6)
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!13 = !DILocation(line: 3, column: 7, scope: !14)
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!14 = distinct !DILexicalBlock(scope: !6, file: !1, line: 3, column: 7)
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!15 = !DILocation(line: 3, column: 7, scope: !6)
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!16 = !DILocation(line: 3, column: 15, scope: !17)
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!17 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 1)
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!18 = distinct !DILexicalBlock(scope: !14, file: !1, line: 3, column: 10)
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!19 = !DILocation(line: 3, column: 16, scope: !17)
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!20 = !DILocation(line: 3, column: 11, scope: !17)
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!21 = !DILocation(line: 3, column: 21, scope: !17)
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!22 = !DILocation(line: 4, column: 1, scope: !6)
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; CHECK: Address Line Column File ISA Discriminator Flags
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; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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; CHECK: {{.*}} 3 15 1 0 1
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; CHECK: {{.*}} 3 16 1 0 1
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; CHECK: {{.*}} 3 11 1 0 1
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