1 ; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj 2 ; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s 3 ; 4 ; Generated from: 5 ; 6 ; int foo(int i) { 7 ; if (i < 10) return i - 1; 8 ; return 0; 9 ; } 10 ; 11 ; Manually generated debug nodes !14 and !15 to incorporate an 12 ; arbitrary discriminator with value 42. 13 14 define i32 @foo(i32 %i) #0 !dbg !4 { 15 entry: 16 %retval = alloca i32, align 4 17 %i.addr = alloca i32, align 4 18 store i32 %i, i32* %i.addr, align 4 19 %0 = load i32, i32* %i.addr, align 4, !dbg !10 20 %cmp = icmp slt i32 %0, 10, !dbg !10 21 br i1 %cmp, label %if.then, label %if.end, !dbg !10 22 23 if.then: ; preds = %entry 24 %1 = load i32, i32* %i.addr, align 4, !dbg !14 25 %sub = sub nsw i32 %1, 1, !dbg !14 26 store i32 %sub, i32* %retval, !dbg !14 27 br label %return, !dbg !14 28 29 if.end: ; preds = %entry 30 store i32 0, i32* %retval, !dbg !12 31 br label %return, !dbg !12 32 33 return: ; preds = %if.end, %if.then 34 %2 = load i32, i32* %retval, !dbg !13 35 ret i32 %2, !dbg !13 36 } 37 38 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" } 39 40 !llvm.dbg.cu = !{!0} 41 !llvm.module.flags = !{!7, !8} 42 !llvm.ident = !{!9} 43 44 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 45 !1 = !DIFile(filename: "discriminator.c", directory: ".") 46 !2 = !{} 47 !3 = !{!4} 48 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2) 49 !5 = !DIFile(filename: "discriminator.c", directory: ".") 50 !6 = !DISubroutineType(types: !2) 51 !7 = !{i32 2, !"Dwarf Version", i32 4} 52 !8 = !{i32 1, !"Debug Info Version", i32 3} 53 !9 = !{!"clang version 3.5 "} 54 !10 = !DILocation(line: 2, scope: !11) 55 !11 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4) 56 !12 = !DILocation(line: 3, scope: !4) 57 !13 = !DILocation(line: 4, scope: !4) 58 !14 = !DILocation(line: 2, scope: !15) 59 !15 = !DILexicalBlockFile(discriminator: 42, file: !1, scope: !4) 60 61 ; CHECK: Address Line Column File ISA Discriminator Flags 62 ; CHECK: ------------------ ------ ------ ------ --- ------------- ------------- 63 ; CHECK: 0x0000000000000011 2 0 1 0 42 {{$}} 64
