| ; REQUIRES: object-emission |
| ; RUN: %llc_dwarf -O0 -filetype=obj %s -o %t |
| ; RUN: llvm-dwarfdump %t | FileCheck %s |
| |
| ; Check that we emit ranges for this CU since we have a function with and |
| ; without debug info. |
| ; Note: This depends upon the order of output in the .o file. Currently it's |
| ; in order of the output to make sure that the CU has multiple ranges since |
| ; there's a function in the middle. If they were together then it would have |
| ; a single range and no DW_AT_ranges. |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_ranges |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK: DW_TAG_subprogram |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @b(i32 %c) #0 !dbg !5 { |
| entry: |
| %c.addr = alloca i32, align 4 |
| store i32 %c, i32* %c.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !13, metadata !DIExpression()), !dbg !14 |
| %0 = load i32, i32* %c.addr, align 4, !dbg !14 |
| %add = add nsw i32 %0, 1, !dbg !14 |
| ret i32 %add, !dbg !14 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @a(i32 %b) #0 { |
| entry: |
| %b.addr = alloca i32, align 4 |
| store i32 %b, i32* %b.addr, align 4 |
| %0 = load i32, i32* %b.addr, align 4 |
| %add = add nsw i32 %0, 1 |
| ret i32 %add |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @d(i32 %e) #0 !dbg !10 { |
| entry: |
| %e.addr = alloca i32, align 4 |
| store i32 %e, i32* %e.addr, align 4 |
| call void @llvm.dbg.declare(metadata i32* %e.addr, metadata !15, metadata !DIExpression()), !dbg !16 |
| %0 = load i32, i32* %e.addr, align 4, !dbg !16 |
| %add = add nsw i32 %0, 1, !dbg !16 |
| ret i32 %add, !dbg !16 |
| } |
| |
| 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" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.ident = !{!0, !0} |
| !llvm.dbg.cu = !{!1} |
| !llvm.module.flags = !{!11, !12} |
| |
| !0 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"} |
| !1 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !2, enums: !3, retainedTypes: !3, globals: !3, imports: !3) |
| !2 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo") |
| !3 = !{} |
| !5 = distinct !DISubprogram(name: "b", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 1, file: !2, scope: !6, type: !7, retainedNodes: !3) |
| !6 = !DIFile(filename: "b.c", directory: "/usr/local/google/home/echristo") |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{!9, !9} |
| !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = distinct !DISubprogram(name: "d", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !1, scopeLine: 3, file: !2, scope: !6, type: !7, retainedNodes: !3) |
| !11 = !{i32 2, !"Dwarf Version", i32 4} |
| !12 = !{i32 1, !"Debug Info Version", i32 3} |
| !13 = !DILocalVariable(name: "c", line: 1, arg: 1, scope: !5, file: !6, type: !9) |
| !14 = !DILocation(line: 1, scope: !5) |
| !15 = !DILocalVariable(name: "e", line: 3, arg: 1, scope: !10, file: !6, type: !9) |
| !16 = !DILocation(line: 3, scope: !10) |