1 ; RUN: llc -mtriple=x86_64-linux < %s | FileCheck %s
2 ; RUN: opt -strip-debug < %s | llc -mtriple=x86_64-linux | FileCheck %s
3 ; http://llvm.org/PR19051. Minor code-motion difference with -g.
4 ; Presence of debug info shouldn't affect the codegen. Make sure that
5 ; we generated the same code sequence with and without debug info.
7 ; CHECK: callq _Z3fooPcjPKc
8 ; CHECK: callq _Z3fooPcjPKc
9 ; CHECK: movq %rsp, %rdi
10 ; CHECK: testl {{%[a-z]+}}, {{%[a-z]+}}
12 ; CHECK: movl $4, %esi
14 ; Regenerate test with this command:
15 ; clang++ -emit-llvm -S -O2 -g
18 ; extern void foo(char *dst,unsigned siz,const char *src);
19 ; extern const char * i2str(int);
22 ; AAA3(const char *value) { foo(text,sizeof(text),value);}
23 ; void operator=(const char *value) { foo(text,sizeof(text),value);}
24 ; operator const char*() const { return text;}
28 ; void bar (int param1,int param2) {
29 ; const char * temp(0);
32 ; temp = i2str(param2);
44 %struct.AAA3 = type { [4 x i8] }
46 @.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
47 @.str.1 = private unnamed_addr constant [2 x i8] c"+\00", align 1
48 @.str.2 = private unnamed_addr constant [2 x i8] c"-\00", align 1
50 ; Function Attrs: uwtable
51 define void @_Z3barii(i32 %param1, i32 %param2) #0 !dbg !24 {
53 %var1 = alloca %struct.AAA3, align 1
54 %var2 = alloca %struct.AAA3, align 1
55 tail call void @llvm.dbg.value(metadata i32 %param1, i64 0, metadata !29, metadata !46), !dbg !47
56 tail call void @llvm.dbg.value(metadata i32 %param2, i64 0, metadata !30, metadata !46), !dbg !48
57 tail call void @llvm.dbg.value(metadata i8* null, i64 0, metadata !31, metadata !46), !dbg !49
58 %tobool = icmp eq i32 %param2, 0, !dbg !50
59 br i1 %tobool, label %if.end, label %if.then, !dbg !52
61 if.then: ; preds = %entry
62 %call = tail call i8* @_Z5i2stri(i32 %param2), !dbg !53
63 tail call void @llvm.dbg.value(metadata i8* %call, i64 0, metadata !31, metadata !46), !dbg !49
64 br label %if.end, !dbg !55
66 if.end: ; preds = %entry, %if.then
67 %0 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var1, i64 0, i32 0, i64 0, !dbg !56
68 call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #4, !dbg !56
69 tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58
70 tail call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !36, metadata !46), !dbg !59
71 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
72 call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !63
73 %1 = getelementptr inbounds %struct.AAA3, %struct.AAA3* %var2, i64 0, i32 0, i64 0, !dbg !65
74 call void @llvm.lifetime.start.p0i8(i64 4, i8* %1) #4, !dbg !65
75 call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66
76 call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !36, metadata !46), !dbg !67
77 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
78 call void @_Z3fooPcjPKc(i8* %1, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !70
79 %tobool1 = icmp eq i32 %param1, 0, !dbg !71
80 call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !33, metadata !57), !dbg !66
81 call void @llvm.dbg.value(metadata %struct.AAA3* %var2, i64 0, metadata !41, metadata !46), !dbg !73
82 br i1 %tobool1, label %if.else, label %if.then2, !dbg !75
84 if.then2: ; preds = %if.end
85 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
86 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
87 br label %if.end3, !dbg !79
89 if.else: ; preds = %if.end
90 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
91 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
94 if.end3: ; preds = %if.else, %if.then2
95 call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !32, metadata !57), !dbg !58
96 call void @llvm.dbg.value(metadata %struct.AAA3* %var1, i64 0, metadata !41, metadata !46), !dbg !82
97 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
98 call void @_Z3fooPcjPKc(i8* %0, i32 4, i8* nonnull getelementptr inbounds ([1 x i8], [1 x i8]* @.str, i64 0, i64 0)), !dbg !85
99 call void @llvm.lifetime.end.p0i8(i64 4, i8* %1) #4, !dbg !86
100 call void @llvm.lifetime.end.p0i8(i64 4, i8* %0) #4, !dbg !87
104 ; Function Attrs: argmemonly nounwind
105 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
107 declare i8* @_Z5i2stri(i32) #2
109 ; Function Attrs: argmemonly nounwind
110 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
112 declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2
114 ; Function Attrs: nounwind readnone
115 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3
117 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" }
118 attributes #1 = { argmemonly nounwind }
119 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" }
120 attributes #3 = { nounwind readnone }
121 attributes #4 = { nounwind }
124 !llvm.module.flags = !{!43, !44}
127 !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)
128 !1 = !DIFile(filename: "test.cpp", directory: "/mnt/extra")
131 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "AAA3", file: !1, line: 4, size: 32, align: 8, elements: !5, identifier: "_ZTS4AAA3")
132 !5 = !{!6, !11, !17, !18}
133 !6 = !DIDerivedType(tag: DW_TAG_member, name: "text", scope: !4, file: !1, line: 8, baseType: !7, size: 32, align: 8)
134 !7 = !DICompositeType(tag: DW_TAG_array_type, baseType: !8, size: 32, align: 8, elements: !9)
135 !8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
137 !10 = !DISubrange(count: 4)
138 !11 = !DISubprogram(name: "AAA3", scope: !4, file: !1, line: 5, type: !12, isLocal: false, isDefinition: false, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true)
139 !12 = !DISubroutineType(types: !13)
140 !13 = !{null, !14, !15}
141 !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
142 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, align: 64)
143 !16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
144 !17 = !DISubprogram(name: "operator=", linkageName: "_ZN4AAA3aSEPKc", scope: !4, file: !1, line: 6, type: !12, isLocal: false, isDefinition: false, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true)
145 !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)
146 !19 = !DISubroutineType(types: !20)
148 !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
149 !22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4)
150 !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)
151 !25 = !DISubroutineType(types: !26)
152 !26 = !{null, !27, !27}
153 !27 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
154 !28 = !{!29, !30, !31, !32, !33}
155 !29 = !DILocalVariable(name: "param1", arg: 1, scope: !24, file: !1, line: 11, type: !27)
156 !30 = !DILocalVariable(name: "param2", arg: 2, scope: !24, file: !1, line: 11, type: !27)
157 !31 = !DILocalVariable(name: "temp", scope: !24, file: !1, line: 12, type: !15)
158 !32 = !DILocalVariable(name: "var1", scope: !24, file: !1, line: 17, type: !4)
159 !33 = !DILocalVariable(name: "var2", scope: !24, file: !1, line: 18, type: !4)
160 !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)
162 !36 = !DILocalVariable(name: "this", arg: 1, scope: !34, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer)
163 !37 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64, align: 64)
164 !38 = !DILocalVariable(name: "value", arg: 2, scope: !34, file: !1, line: 5, type: !15)
165 !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)
167 !41 = !DILocalVariable(name: "this", arg: 1, scope: !39, type: !37, flags: DIFlagArtificial | DIFlagObjectPointer)
168 !42 = !DILocalVariable(name: "value", arg: 2, scope: !39, file: !1, line: 6, type: !15)
169 !43 = !{i32 2, !"Dwarf Version", i32 4}
170 !44 = !{i32 2, !"Debug Info Version", i32 3}
171 !45 = !{!"clang version 3.8.0 (trunk 255993) (llvm/trunk 256074)"}
172 !46 = !DIExpression()
173 !47 = !DILocation(line: 11, column: 15, scope: !24)
174 !48 = !DILocation(line: 11, column: 26, scope: !24)
175 !49 = !DILocation(line: 12, column: 16, scope: !24)
176 !50 = !DILocation(line: 14, column: 7, scope: !51)
177 !51 = distinct !DILexicalBlock(scope: !24, file: !1, line: 14, column: 7)
178 !52 = !DILocation(line: 14, column: 7, scope: !24)
179 !53 = !DILocation(line: 15, column: 12, scope: !54)
180 !54 = distinct !DILexicalBlock(scope: !51, file: !1, line: 14, column: 15)
181 !55 = !DILocation(line: 16, column: 3, scope: !54)
182 !56 = !DILocation(line: 17, column: 3, scope: !24)
183 !57 = !DIExpression(DW_OP_deref)
184 !58 = !DILocation(line: 17, column: 8, scope: !24)
185 !59 = !DILocation(line: 0, scope: !34, inlinedAt: !60)
186 !60 = distinct !DILocation(line: 17, column: 8, scope: !61)
187 !61 = !DILexicalBlockFile(scope: !24, file: !1, discriminator: 1)
188 !62 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !60)
189 !63 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !60)
190 !64 = distinct !DILexicalBlock(scope: !34, file: !1, line: 5, column: 26)
191 !65 = !DILocation(line: 18, column: 3, scope: !24)
192 !66 = !DILocation(line: 18, column: 8, scope: !24)
193 !67 = !DILocation(line: 0, scope: !34, inlinedAt: !68)
194 !68 = distinct !DILocation(line: 18, column: 8, scope: !61)
195 !69 = !DILocation(line: 5, column: 19, scope: !34, inlinedAt: !68)
196 !70 = !DILocation(line: 5, column: 28, scope: !64, inlinedAt: !68)
197 !71 = !DILocation(line: 20, column: 7, scope: !72)
198 !72 = distinct !DILexicalBlock(scope: !24, file: !1, line: 20, column: 7)
199 !73 = !DILocation(line: 0, scope: !39, inlinedAt: !74)
200 !74 = distinct !DILocation(line: 23, column: 10, scope: !72)
201 !75 = !DILocation(line: 20, column: 7, scope: !24)
202 !76 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !77)
203 !77 = distinct !DILocation(line: 21, column: 10, scope: !72)
204 !78 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !77)
205 !79 = !DILocation(line: 21, column: 5, scope: !72)
206 !80 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !74)
207 !81 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !74)
208 !82 = !DILocation(line: 0, scope: !39, inlinedAt: !83)
209 !83 = distinct !DILocation(line: 24, column: 8, scope: !24)
210 !84 = !DILocation(line: 6, column: 29, scope: !39, inlinedAt: !83)
211 !85 = !DILocation(line: 6, column: 38, scope: !39, inlinedAt: !83)
212 !86 = !DILocation(line: 25, column: 1, scope: !24)
213 !87 = !DILocation(line: 25, column: 1, scope: !61)