| ; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s |
| ; RUN: opt -strip-debug < %s | llc -mtriple=x86_64-linux | FileCheck %s |
| ; http://llvm.org/PR19051. Minor code-motion difference with -g. |
| ; Presence of debug info shouldn't affect the codegen. Make sure that |
| ; we generated the same code sequence with and without debug info. |
| ; |
| ; CHECK: callq _Z3fooPcjPKc |
| ; CHECK: callq _Z3fooPcjPKc |
| ; CHECK: movq %rsp, %rdi |
| ; CHECK: movl $4, %esi |
| ; CHECK: testl {{%[a-z]+}}, {{%[a-z]+}} |
| ; CHECK: je .LBB0_4 |
| |
| ; Regenerate test with this command: |
| ; clang++ -emit-llvm -S -O2 -g |
| ; from this source: |
| ; |
| ; extern void foo(char *dst,unsigned siz,const char *src); |
| ; extern const char * i2str(int); |
| ; |
| ; struct AAA3 { |
| ; AAA3(const char *value) { foo(text,sizeof(text),value);} |
| ; void operator=(const char *value) { foo(text,sizeof(text),value);} |
| ; operator const char*() const { return text;} |
| ; char text[4]; |
| ; }; |
| ; |
| ; void bar (int param1,int param2) { |
| ; const char * temp(0); |
| ; |
| ; if (param2) { |
| ; temp = i2str(param2); |
| ; } |
| ; AAA3 var1(""); |
| ; AAA3 var2(""); |
| ; |
| ; if (param1) |
| ; var2 = "+"; |
| ; else |
| ; var2 = "-"; |
| ; var1 = ""; |
| ; } |
| |
| %struct.AAA3 = type { [4 x i8] } |
| |
| @.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1 |
| @.str.1 = private unnamed_addr constant [2 x i8] c"+\00", align 1 |
| @.str.2 = private unnamed_addr constant [2 x i8] c"-\00", align 1 |
| |
| ; Function Attrs: uwtable |
| define void @_Z3barii(i32 %param1, i32 %param2) #0 !dbg !24 { |
| entry: |
| %var1 = alloca %struct.AAA3, align 1 |
| %var2 = alloca %struct.AAA3, align 1 |
| tail call void @llvm.dbg.value(metadata i32 %param1, i64 0, metadata !29, metadata !46), !dbg !47 |
| tail call void @llvm.dbg.value(metadata i32 %param2, i64 0, metadata !30, metadata !46), !dbg !48 |
| tail call void @llvm.dbg.value(metadata i8* null, i64 0, metadata !31, metadata !46), !dbg !49 |
| %tobool = icmp eq i32 %param2, 0, !dbg !50 |
| br i1 %tobool, label %if.end, label %if.then, !dbg !52 |
| |
| if.then: ; preds = %entry |
| %call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !53 |
| tail call void @llvm.dbg.value(metadata i8* %call, i64 0, metadata !31, metadata !46), !dbg !49 |
| br label %if.end, !dbg !55 |
| |
| if.end: ; preds = %entry, %if.then |
| %0 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !56 |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #4, !dbg !56 |
| tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58 |
| tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !36, metadata !46), !dbg !59 |
| tail call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !38, metadata !46), !dbg !62 |
| call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !63 |
| %1 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !65 |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* %1) #4, !dbg !65 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !36, metadata !46), !dbg !67 |
| call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !38, metadata !46), !dbg !69 |
| call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !70 |
| %tobool1 = icmp eq i32 %param1, 0, !dbg !71 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !41, metadata !46), !dbg !73 |
| br i1 %tobool1, label %if.else, label %if.then2, !dbg !75 |
| |
| if.then2: ; preds = %if.end |
| call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !76 |
| call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0)), !dbg !78 |
| br label %if.end3, !dbg !79 |
| |
| if.else: ; preds = %if.end |
| call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !80 |
| call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([2 x i8], [2 x i8]* @.str.2, i64 0, i64 0)), !dbg !81 |
| br label %if.end3 |
| |
| if.end3: ; preds = %if.else, %if.then2 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58 |
| call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !41, metadata !46), !dbg !82 |
| call void @llvm.dbg.value(metadata i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0), i64 0, metadata !42, metadata !46), !dbg !84 |
| call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !85 |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* %1) #4, !dbg !86 |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* %0) #4, !dbg !87 |
| ret void, !dbg !86 |
| } |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1 |
| |
| declare i8* @_Z5i2stri(i32) #2 |
| |
| ; Function Attrs: argmemonly nounwind |
| declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1 |
| |
| declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3 |
| |
| attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { argmemonly nounwind } |
| attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #3 = { nounwind readnone } |
| attributes #4 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!43, !44} |
| !llvm.ident = !{!45} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.8.0 (trunk 255993) (llvm/trunk 256074)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3) |
| !1 = !DIFile(filename: "test.cpp", directory: "/mnt/extra") |
| !2 = !{} |
| !3 = !{!4} |
| !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "AAA3", file: !1, line: 4, size: 32, align: 8, elements: !5, identifier: "_ZTS4AAA3") |
| !5 = !{!6, !11, !17, !18} |
| !6 = !DIDerivedType(tag: DW_TAG_member, name: "text", scope: !4, file: !1, line: 8, baseType: !7, size: 32, align: 8) |
| !7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 32, align: 8, elements: !9) |
| !8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) |
| !9 = !{!10} |
| !10 = !DISubrange(count: 4) |
| !11 = !DISubprogram(name: "AAA3", scope: !4, file: !1, line: 5, type: !12, isLocal: false, isDefinition: false, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true) |
| !12 = !DISubroutineType(types: !13) |
| !13 = !{null, !14, !15} |
| !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, align: 64) |
| !16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8) |
| !17 = !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", scope: !4, file: !1, line: 6, type: !12, isLocal: false, isDefinition: false, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true) |
| !18 = !DISubprogram(name: "operator const char *", linkageName: "_ZNK4AAA3cvPKcEv", scope: !4, file: !1, line: 7, type: !19, isLocal: false, isDefinition: false, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: true) |
| !19 = !DISubroutineType(types: !20) |
| !20 = !{!15, !21} |
| !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4) |
| !24 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barii", scope: !1, file: !1, line: 11, type: !25, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !28) |
| !25 = !DISubroutineType(types: !26) |
| !26 = !{null, !27, !27} |
| !27 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !28 = !{!29, !30, !31, !32, !33} |
| !29 = !DILocalVariable(name: "param1", arg: 1, scope: !24, file: !1, line: 11, type: !27) |
| !30 = !DILocalVariable(name: "param2", arg: 2, scope: !24, file: !1, line: 11, type: !27) |
| !31 = !DILocalVariable(name: "temp", scope: !24, file: !1, line: 12, type: !15) |
| !32 = !DILocalVariable(name: "var1", scope: !24, file: !1, line: 17, type: !4) |
| !33 = !DILocalVariable(name: "var2", scope: !24, file: !1, line: 18, type: !4) |
| !34 = distinct !DISubprogram(name: "AAA3", linkageName: "_ZN4AAA3C2EPKc", scope: !4, file: !1, line: 5, type: !12, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !11, retainedNodes: !35) |
| !35 = !{!36, !38} |
| !36 = !DILocalVariable(name: "this", arg: 1, scope: !34, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64) |
| !38 = !DILocalVariable(name: "value", arg: 2, scope: !34, file: !1, line: 5, type: !15) |
| !39 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", scope: !4, file: !1, line: 6, type: !12, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, declaration: !17, retainedNodes: !40) |
| !40 = !{!41, !42} |
| !41 = !DILocalVariable(name: "this", arg: 1, scope: !39, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer) |
| !42 = !DILocalVariable(name: "value", arg: 2, scope: !39, file: !1, line: 6, type: !15) |
| !43 = !{i32 2, !"Dwarf Version", i32 4} |
| !44 = !{i32 2, !"Debug Info Version", i32 3} |
| !45 = !{!"clang version 3.8.0 (trunk 255993) (llvm/trunk 256074)"} |
| !46 = !DIExpression() |
| !47 = !DILocation(line: 11, column: 15, scope: !24) |
| !48 = !DILocation(line: 11, column: 26, scope: !24) |
| !49 = !DILocation(line: 12, column: 16, scope: !24) |
| !50 = !DILocation(line: 14, column: 7, scope: !51) |
| !51 = distinct !DILexicalBlock(scope: !24, file: !1, line: 14, column: 7) |
| !52 = !DILocation(line: 14, column: 7, scope: !24) |
| !53 = !DILocation(line: 15, column: 12, scope: !54) |
| !54 = distinct !DILexicalBlock(scope: !51, file: !1, line: 14, column: 15) |
| !55 = !DILocation(line: 16, column: 3, scope: !54) |
| !56 = !DILocation(line: 17, column: 3, scope: !24) |
| !57 = !DIExpression(DW_OP_deref) |
| !58 = !DILocation(line: 17, column: 8, scope: !24) |
| !59 = !DILocation(line: 0, scope: !34, inlinedAt: !60) |
| !60 = distinct !DILocation(line: 17, column: 8, scope: !61) |
| !61 = !DILexicalBlockFile(scope: !24, file: !1, discriminator: 1) |
| !62 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !60) |
| !63 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !60) |
| !64 = distinct !DILexicalBlock(scope: !34, file: !1, line: 5, column: 26) |
| !65 = !DILocation(line: 18, column: 3, scope: !24) |
| !66 = !DILocation(line: 18, column: 8, scope: !24) |
| !67 = !DILocation(line: 0, scope: !34, inlinedAt: !68) |
| !68 = distinct !DILocation(line: 18, column: 8, scope: !61) |
| !69 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !68) |
| !70 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !68) |
| !71 = !DILocation(line: 20, column: 7, scope: !72) |
| !72 = distinct !DILexicalBlock(scope: !24, file: !1, line: 20, column: 7) |
| !73 = !DILocation(line: 0, scope: !39, inlinedAt: !74) |
| !74 = distinct !DILocation(line: 23, column: 10, scope: !72) |
| !75 = !DILocation(line: 20, column: 7, scope: !24) |
| !76 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !77) |
| !77 = distinct !DILocation(line: 21, column: 10, scope: !72) |
| !78 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !77) |
| !79 = !DILocation(line: 21, column: 5, scope: !72) |
| !80 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !74) |
| !81 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !74) |
| !82 = !DILocation(line: 0, scope: !39, inlinedAt: !83) |
| !83 = distinct !DILocation(line: 24, column: 8, scope: !24) |
| !84 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !83) |
| !85 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !83) |
| !86 = !DILocation(line: 25, column: 1, scope: !24) |
| !87 = !DILocation(line: 25, column: 1, scope: !61) |
