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1; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj < %s \2; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V43; RUN: llc -mtriple=x86_64-apple-darwin -filetype=obj -dwarf-version=3 < %s \4; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V35 6 7; Check that we use DW_AT_low_pc and that it has the right encoding depending8; on dwarf version.9 10; CHECK: DW_TAG_compile_unit [1]11; CHECK-NOT: DW_TAG12; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)13; CHECK-NOT: DW_TAG14; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]15; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]16; CHECK: DW_TAG_subprogram [2]17; CHECK-NOT: DW_TAG18; CHECK: DW_AT_low_pc [DW_FORM_addr]19; CHECK-NOT: DW_TAG20; CHECK-V3: DW_AT_high_pc [DW_FORM_addr]21; CHECK-V4: DW_AT_high_pc [DW_FORM_data4]22 23; Function Attrs: nounwind uwtable24define void @z() #0 !dbg !4 {25entry:26 ret void, !dbg !1127}28 29attributes #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" "use-soft-float"="false" }30 31!llvm.dbg.cu = !{!0}32!llvm.module.flags = !{!8, !9}33!llvm.ident = !{!10}34 35!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)36!1 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")37!2 = !{}38!4 = distinct !DISubprogram(name: "z", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)39!5 = !DIFile(filename: "z.c", directory: "/usr/local/google/home/echristo")40!6 = !DISubroutineType(types: !7)41!7 = !{null}42!8 = !{i32 2, !"Dwarf Version", i32 4}43!9 = !{i32 1, !"Debug Info Version", i32 3}44!10 = !{!"clang version 3.5.0 (trunk 204164) (llvm/trunk 204183)"}45!11 = !DILocation(line: 1, scope: !4)46