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