| ; RUN: llc -O0 -mtriple=x86_64-apple-darwin < %s | grep DW_OP_breg7 |
| ; Use DW_OP_breg7 in variable's location expression if the variable is in a stack slot. |
| |
| %struct.SVal = type { ptr, i32 } |
| |
| define i32 @_Z3fooi4SVal(i32 %i, ptr noalias %location) nounwind ssp !dbg !17 { |
| entry: |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !23, metadata !DIExpression()), !dbg !24 |
| call void @llvm.dbg.value(metadata ptr %location, i64 0, metadata !25, metadata !DIExpression()), !dbg !24 |
| %0 = icmp ne i32 %i, 0, !dbg !27 ; <i1> [#uses=1] |
| br i1 %0, label %bb, label %bb1, !dbg !27 |
| |
| bb: ; preds = %entry |
| %1 = getelementptr inbounds %struct.SVal, ptr %location, i32 0, i32 1, !dbg !29 ; <ptr> [#uses=1] |
| %2 = load i32, ptr %1, align 8, !dbg !29 ; <i32> [#uses=1] |
| %3 = add i32 %2, %i, !dbg !29 ; <i32> [#uses=1] |
| br label %bb2, !dbg !29 |
| |
| bb1: ; preds = %entry |
| %4 = getelementptr inbounds %struct.SVal, ptr %location, i32 0, i32 1, !dbg !30 ; <ptr> [#uses=1] |
| %5 = load i32, ptr %4, align 8, !dbg !30 ; <i32> [#uses=1] |
| %6 = sub i32 %5, 1, !dbg !30 ; <i32> [#uses=1] |
| br label %bb2, !dbg !30 |
| |
| bb2: ; preds = %bb1, %bb |
| %.0 = phi i32 [ %3, %bb ], [ %6, %bb1 ] ; <i32> [#uses=1] |
| br label %return, !dbg !29 |
| |
| return: ; preds = %bb2 |
| ret i32 %.0, !dbg !29 |
| } |
| |
| define linkonce_odr void @_ZN4SValC1Ev(ptr %this) nounwind ssp align 2 !dbg !16 { |
| entry: |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| call void @llvm.dbg.value(metadata ptr %this, i64 0, metadata !31, metadata !DIExpression()), !dbg !34 |
| store ptr null, ptr %this, align 8, !dbg !34 |
| %0 = getelementptr inbounds %struct.SVal, ptr %this, i32 0, i32 1, !dbg !34 ; <ptr> [#uses=1] |
| store i32 0, ptr %0, align 8, !dbg !34 |
| br label %return, !dbg !34 |
| |
| return: ; preds = %entry |
| ret void, !dbg !35 |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone |
| |
| define i32 @main() nounwind ssp !dbg !20 { |
| entry: |
| %0 = alloca %struct.SVal ; <ptr> [#uses=3] |
| %v = alloca %struct.SVal ; <ptr> [#uses=4] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| call void @llvm.dbg.declare(metadata ptr %v, metadata !38, metadata !DIExpression()), !dbg !41 |
| call void @_ZN4SValC1Ev(ptr %v) nounwind, !dbg !41 |
| %1 = getelementptr inbounds %struct.SVal, ptr %v, i32 0, i32 1, !dbg !42 ; <ptr> [#uses=1] |
| store i32 1, ptr %1, align 8, !dbg !42 |
| %2 = load ptr, ptr %v, align 8, !dbg !43 ; <ptr> [#uses=1] |
| store ptr %2, ptr %0, align 8, !dbg !43 |
| %3 = getelementptr inbounds %struct.SVal, ptr %0, i32 0, i32 1, !dbg !43 ; <ptr> [#uses=1] |
| %4 = getelementptr inbounds %struct.SVal, ptr %v, i32 0, i32 1, !dbg !43 ; <ptr> [#uses=1] |
| %5 = load i32, ptr %4, align 8, !dbg !43 ; <i32> [#uses=1] |
| store i32 %5, ptr %3, align 8, !dbg !43 |
| %6 = call i32 @_Z3fooi4SVal(i32 2, ptr noalias %0) nounwind, !dbg !43 ; <i32> [#uses=0] |
| call void @llvm.dbg.value(metadata i32 %6, i64 0, metadata !44, metadata !DIExpression()), !dbg !43 |
| br label %return, !dbg !45 |
| |
| return: ; preds = %entry |
| ret i32 0, !dbg !45 |
| } |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone |
| |
| !llvm.dbg.cu = !{!3} |
| !llvm.module.flags = !{!49} |
| !46 = !{!16, !17, !20} |
| |
| !0 = !DISubprogram(name: "SVal", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, scopeLine: 11, file: !47, scope: !1, type: !14) |
| !1 = !DICompositeType(tag: DW_TAG_structure_type, name: "SVal", line: 1, size: 128, align: 64, file: !47, scope: !2, elements: !4) |
| !2 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330") |
| !3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: false, emissionKind: FullDebug, file: !47, enums: !48, retainedTypes: !48, imports: null) |
| !4 = !{!5, !7, !0, !9} |
| !5 = !DIDerivedType(tag: DW_TAG_member, name: "Data", line: 7, size: 64, align: 64, file: !47, scope: !1, baseType: !6) |
| !6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !47, scope: !2, baseType: null) |
| !7 = !DIDerivedType(tag: DW_TAG_member, name: "Kind", line: 8, size: 32, align: 32, offset: 64, file: !47, scope: !1, baseType: !8) |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) |
| !9 = !DISubprogram(name: "~SVal", line: 12, isLocal: false, isDefinition: false, virtualIndex: 6, isOptimized: false, scopeLine: 12, file: !47, scope: !1, type: !10) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{null, !12, !13} |
| !12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !47, scope: !2, baseType: !1) |
| !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !14 = !DISubroutineType(types: !15) |
| !15 = !{null, !12} |
| !16 = distinct !DISubprogram(name: "SVal", linkageName: "_ZN4SValC1Ev", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 11, file: !47, scope: !1, type: !14) |
| !17 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi4SVal", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 16, file: !47, scope: !2, type: !18) |
| !18 = !DISubroutineType(types: !19) |
| !19 = !{!13, !13, !1} |
| !20 = distinct !DISubprogram(name: "main", linkageName: "main", line: 23, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 23, file: !47, scope: !2, type: !21) |
| !21 = !DISubroutineType(types: !22) |
| !22 = !{!13} |
| !23 = !DILocalVariable(name: "i", line: 16, arg: 1, scope: !17, file: !2, type: !13) |
| !24 = !DILocation(line: 16, scope: !17) |
| !25 = !DILocalVariable(name: "location", line: 16, arg: 2, scope: !17, file: !2, type: !26) |
| !26 = !DIDerivedType(tag: DW_TAG_reference_type, name: "SVal", size: 64, align: 64, file: !47, scope: !2, baseType: !1) |
| !27 = !DILocation(line: 17, scope: !28) |
| !28 = distinct !DILexicalBlock(line: 16, column: 0, file: !47, scope: !17) |
| !29 = !DILocation(line: 18, scope: !28) |
| !30 = !DILocation(line: 20, scope: !28) |
| !31 = !DILocalVariable(name: "this", line: 11, arg: 1, scope: !16, file: !2, type: !32) |
| !32 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !47, scope: !2, baseType: !33) |
| !33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !47, scope: !2, baseType: !1) |
| !34 = !DILocation(line: 11, scope: !16) |
| !35 = !DILocation(line: 11, scope: !36) |
| !36 = distinct !DILexicalBlock(line: 11, column: 0, file: !47, scope: !37) |
| !37 = distinct !DILexicalBlock(line: 11, column: 0, file: !47, scope: !16) |
| !38 = !DILocalVariable(name: "v", line: 24, scope: !39, file: !2, type: !1) |
| !39 = distinct !DILexicalBlock(line: 23, column: 0, file: !47, scope: !40) |
| !40 = distinct !DILexicalBlock(line: 23, column: 0, file: !47, scope: !20) |
| !41 = !DILocation(line: 24, scope: !39) |
| !42 = !DILocation(line: 25, scope: !39) |
| !43 = !DILocation(line: 26, scope: !39) |
| !44 = !DILocalVariable(name: "k", line: 26, scope: !39, file: !2, type: !13) |
| !45 = !DILocation(line: 27, scope: !39) |
| !47 = !DIFile(filename: "small.cc", directory: "/Users/manav/R8248330") |
| !48 = !{} |
| !49 = !{i32 1, !"Debug Info Version", i32 3} |
