| ; RUN: llc -mtriple=x86_64-apple-darwin -O0 -filetype=obj -o - < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s |
| ; PR33157. Don't crash on duplicate dbg.declare. |
| ; CHECK: DW_TAG_formal_parameter |
| ; CHECK: DW_AT_location [DW_FORM_exprloc] |
| ; CHECK-NOT: DW_AT_location |
| @g = external global i32 |
| @h = external global i32 |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| |
| define void @f(ptr byval(i32) %p, i1 %c) !dbg !5 { |
| br i1 %c, label %x, label %y |
| |
| x: |
| call void @llvm.dbg.declare(metadata ptr %p, metadata !10, metadata !DIExpression()), !dbg !12 |
| store i32 42, ptr @g, !dbg !12 |
| br label %done |
| |
| y: |
| call void @llvm.dbg.declare(metadata ptr %p, metadata !10, metadata !DIExpression()), !dbg !12 |
| store i32 42, ptr @h, !dbg !12 |
| br label %done |
| |
| done: |
| ret void |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!22, !23} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !1, producer: "clang version 5.0.0 ", isOptimized: true, runtimeVersion: 2, emissionKind: FullDebug) |
| !1 = !DIFile(filename: "<stdin>", directory: "C:\5Csrc\5Cllvm-project\5Cbuild") |
| !5 = distinct !DISubprogram(name: "f", isLocal: true, isDefinition: true, scopeLine: 37, flags: DIFlagPrototyped, isOptimized: true, unit: !0, type: !99, scope: !1) |
| !6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !10 = !DILocalVariable(name: "aRect", arg: 1, scope: !11, file: !1, line: 38, type: !6) |
| !11 = distinct !DILexicalBlock(scope: !98, file: !1, line: 38) |
| !12 = !DILocation(line: 43, scope: !11, inlinedAt: !13) |
| !13 = distinct !DILocation(line: 43, scope: !5) |
| !22 = !{i32 2, !"Dwarf Version", i32 4} |
| !23 = !{i32 2, !"Debug Info Version", i32 3} |
| !62 = !{!10} |
| !98 = distinct !DISubprogram(name: "NSMaxX", scope: !1, file: !1, line: 27, isLocal: true, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !62, type: !99) |
| !99 = !DISubroutineType(types: !100) |
| !100 = !{null} |