| ; RUN: llc -filetype=obj < %s | llvm-dwarfdump -v - | FileCheck %s |
| ; Generated at -O2 from: |
| ; bool c(); |
| ; void f(); |
| ; bool start() { |
| ; bool result = c(); |
| ; if (!c()) { |
| ; result = false; |
| ; goto exit; |
| ; } |
| ; f(); |
| ; result = true; |
| ; exit: |
| ; return result; |
| ; } |
| ; |
| ; The constant should NOT be available for the entire function. |
| ; CHECK-NOT: DW_AT_const_value |
| ; CHECK: .debug_loc contents: |
| ; CHECK-NEXT: 0x00000000: |
| ; CHECK-NEXT: {{.*}}: DW_OP_lit1, DW_OP_stack_value |
| |
| source_filename = "test.ii" |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.12.0" |
| |
| ; Function Attrs: noimplicitfloat noredzone nounwind optsize |
| define zeroext i1 @_Z5startv() local_unnamed_addr #0 !dbg !7 { |
| entry: |
| %call = tail call zeroext i1 @_Z1cv() #3, !dbg !13 |
| %call1 = tail call zeroext i1 @_Z1cv() #3, !dbg !14 |
| br i1 %call1, label %if.end, label %exit, !dbg !16 |
| |
| if.end: ; preds = %entry |
| tail call void @_Z1fv() #3, !dbg !17 |
| tail call void @llvm.dbg.value(metadata i8 1, metadata !12, metadata !18), !dbg !19 |
| br label %exit, !dbg !20 |
| |
| exit: ; preds = %entry, %if.end |
| %result.0 = phi i1 [ true, %if.end ], [ false, %entry ] |
| ret i1 %result.0, !dbg !21 |
| } |
| |
| ; Function Attrs: noimplicitfloat noredzone optsize |
| declare zeroext i1 @_Z1cv() local_unnamed_addr #1 |
| |
| ; Function Attrs: noimplicitfloat noredzone optsize |
| declare void @_Z1fv() local_unnamed_addr #1 |
| |
| ; Function Attrs: nounwind readnone speculatable |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #2 |
| |
| attributes #0 = { noimplicitfloat noredzone nounwind optsize } |
| attributes #1 = { noimplicitfloat noredzone optsize } |
| attributes #2 = { nounwind readnone speculatable } |
| attributes #3 = { nobuiltin noimplicitfloat noredzone nounwind optsize } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.ii", directory: "/") |
| !2 = !{} |
| !3 = !{i32 2, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)"} |
| !7 = distinct !DISubprogram(name: "start", linkageName: "_Z5startv", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10} |
| !10 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean) |
| !11 = !{!12} |
| !12 = !DILocalVariable(name: "result", scope: !7, file: !1, line: 4, type: !10) |
| !13 = !DILocation(line: 4, column: 17, scope: !7) |
| !14 = !DILocation(line: 5, column: 8, scope: !15) |
| !15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7) |
| !16 = !DILocation(line: 5, column: 7, scope: !7) |
| !17 = !DILocation(line: 9, column: 3, scope: !7) |
| !18 = !DIExpression() |
| !19 = !DILocation(line: 4, column: 8, scope: !7) |
| !20 = !DILocation(line: 10, column: 3, scope: !7) |
| !21 = !DILocation(line: 12, column: 3, scope: !7) |