1 ; RUN: llc < %s | FileCheck %s --check-prefix=ASM
2 ; RUN: llc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
8 ; static inline int inlineinc(int a) {
16 ; int b = inlineinc(a);
26 ; ASM: # %bb.0: # %entry
27 ; ASM: #DEBUG_VALUE: f:p <- $ecx
30 ; ASM: movl %ecx, %esi
31 ; ASM: [[p_ecx_esi:\.Ltmp.*]]:
32 ; ASM: #DEBUG_VALUE: f:p <- $esi
34 ; ASM: [[after_getint:\.Ltmp.*]]:
35 ; ASM: testl %esi, %esi
37 ; ASM: [[after_je:\.Ltmp.*]]:
38 ; ASM: # %bb.1: # %if.then
39 ; ASM-DAG: #DEBUG_VALUE: inlineinc:a <- $eax
40 ; ASM-DAG: #DEBUG_VALUE: a <- $eax
41 ; ASM-DAG: #DEBUG_VALUE: f:p <- $esi
43 ; ASM: [[after_inc_eax:\.Ltmp.*]]:
44 ; ASM: #DEBUG_VALUE: inlineinc:b <- $eax
45 ; ASM: addl $1, x(%rip)
46 ; ASM: [[after_if:\.Ltmp.*]]:
47 ; ASM: .LBB0_2: # %if.else
48 ; ASM: #DEBUG_VALUE: f:p <- $esi
49 ; ASM: #DEBUG_VALUE: c <- $eax
50 ; ASM: movl %eax, %ecx
53 ; ASM: [[func_end:\.Ltmp.*]]:
54 ; ASM: jmp putint # TAILCALL
55 ; ASM: [[func_finished:\.Ltmp.*]]:
57 ; ASM: .short 4414 # Record kind: S_LOCAL
59 ; ASM: .cv_def_range .Lfunc_begin0 [[p_ecx_esi]], reg, 18
60 ; ASM: .cv_def_range [[p_ecx_esi]] [[func_end]], reg, 23
61 ; ASM: .short 4414 # Record kind: S_LOCAL
63 ; ASM: .short 4414 # Record kind: S_LOCAL
65 ; ASM: .cv_def_range [[after_je]] [[after_inc_eax]], reg, 17
66 ; ASM: .short 4414 # Record kind: S_LOCAL
69 ; Note: "b" is a victim of tail de-duplication / branch folding.
71 ; ASM: .short 4429 # Record kind: S_INLINESITE
72 ; ASM: .short 4414 # Record kind: S_LOCAL
74 ; ASM: .cv_def_range [[after_je]] [[after_inc_eax]], reg, 17
75 ; ASM: .short 4414 # Record kind: S_LOCAL
77 ; ASM: .cv_def_range [[after_inc_eax]] [[after_if]], reg, 17
78 ; ASM: .short 4430 # Record kind: S_INLINESITE_END
81 ; OBJ: SubSectionType: Symbols (0xF1)
82 ; OBJ: {{.*}}Proc{{.*}}Sym {
86 ; OBJ: Type: int (0x74)
88 ; OBJ: IsParameter (0x1)
92 ; OBJ: DefRangeRegisterSym {
93 ; OBJ: Register: ECX (0x12)
94 ; OBJ: LocalVariableAddrRange {
95 ; OBJ: OffsetStart: .text+0x0
96 ; OBJ: ISectStart: 0x0
100 ; OBJ: DefRangeRegisterSym {
101 ; OBJ: Register: ESI (0x17)
102 ; OBJ: LocalVariableAddrRange {
103 ; OBJ: OffsetStart: .text+0x7
104 ; OBJ: ISectStart: 0x0
109 ; OBJ: Type: int (0x74)
110 ; OBJ: Flags [ (0x100)
111 ; OBJ: IsOptimizedOut (0x100)
116 ; OBJ: Type: int (0x74)
121 ; OBJ: DefRangeRegisterSym {
122 ; OBJ: Register: EAX (0x11)
123 ; OBJ: LocalVariableAddrRange {
124 ; OBJ: OffsetStart: .text+0x10
125 ; OBJ: ISectStart: 0x0
129 ; OBJ: InlineSiteSym {
130 ; OBJ: PtrParent: 0x0
132 ; OBJ: Inlinee: inlineinc (0x1002)
135 ; OBJ: Type: int (0x74)
137 ; OBJ: IsParameter (0x1)
141 ; OBJ: DefRangeRegisterSym {
142 ; OBJ: Register: EAX (0x11)
143 ; OBJ: LocalVariableAddrRange {
144 ; OBJ: OffsetStart: .text+0x10
145 ; OBJ: ISectStart: 0x0
150 ; OBJ: Type: int (0x74)
155 ; OBJ: DefRangeRegisterSym {
156 ; OBJ: Register: EAX (0x11)
157 ; OBJ: LocalVariableAddrRange {
158 ; OBJ: OffsetStart: .text+0x13
159 ; OBJ: ISectStart: 0x0
163 ; OBJ: InlineSiteEnd {
169 source_filename = "test/DebugInfo/COFF/register-variables.ll"
170 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
171 target triple = "x86_64-pc-windows-msvc18.0.0"
173 @x = internal global i32 0, align 4, !dbg !0
175 ; Function Attrs: nounwind uwtable
176 define void @f(i32 %p) #0 !dbg !12 {
178 tail call void @llvm.dbg.value(metadata i32 %p, metadata !16, metadata !23), !dbg !24
179 %tobool = icmp eq i32 %p, 0, !dbg !25
180 %call2 = tail call i32 @getint() #3, !dbg !26
181 br i1 %tobool, label %if.else, label %if.then, !dbg !27
183 if.then: ; preds = %entry
184 tail call void @llvm.dbg.value(metadata i32 %call2, metadata !17, metadata !23), !dbg !28
185 tail call void @llvm.dbg.value(metadata i32 %call2, metadata !29, metadata !23), !dbg !35
186 %add.i = add nsw i32 %call2, 1, !dbg !37
187 tail call void @llvm.dbg.value(metadata i32 %add.i, metadata !34, metadata !23), !dbg !38
188 %0 = load volatile i32, i32* @x, align 4, !dbg !39, !tbaa !40
189 %inc.i = add nsw i32 %0, 1, !dbg !39
190 store volatile i32 %inc.i, i32* @x, align 4, !dbg !39, !tbaa !40
191 tail call void @llvm.dbg.value(metadata i32 %add.i, metadata !20, metadata !23), !dbg !44
192 tail call void @putint(i32 %add.i) #3, !dbg !45
193 br label %if.end, !dbg !46
195 if.else: ; preds = %entry
196 tail call void @llvm.dbg.value(metadata i32 %call2, metadata !21, metadata !23), !dbg !47
197 tail call void @putint(i32 %call2) #3, !dbg !48
200 if.end: ; preds = %if.else, %if.then
204 declare i32 @getint() #1
206 declare void @putint(i32) #1
208 ; Function Attrs: nounwind readnone
209 declare void @llvm.dbg.value(metadata, metadata, metadata) #2
211 attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
212 attributes #1 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" }
213 attributes #2 = { nounwind readnone }
214 attributes #3 = { nounwind }
217 !llvm.module.flags = !{!8, !9, !10}
220 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
221 !1 = !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
222 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.9.0 (trunk 260617) (llvm/trunk 260619)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
223 !3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
226 !6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)
227 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
228 !8 = !{i32 2, !"CodeView", i32 1}
229 !9 = !{i32 2, !"Debug Info Version", i32 3}
230 !10 = !{i32 1, !"PIC Level", i32 2}
231 !11 = !{!"clang version 3.9.0 (trunk 260617) (llvm/trunk 260619)"}
232 !12 = distinct !DISubprogram(name: "f", scope: !3, file: !3, line: 9, type: !13, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !15)
233 !13 = !DISubroutineType(types: !14)
235 !15 = !{!16, !17, !20, !21}
236 !16 = !DILocalVariable(name: "p", arg: 1, scope: !12, file: !3, line: 9, type: !7)
237 !17 = !DILocalVariable(name: "a", scope: !18, file: !3, line: 11, type: !7)
238 !18 = distinct !DILexicalBlock(scope: !19, file: !3, line: 10, column: 10)
239 !19 = distinct !DILexicalBlock(scope: !12, file: !3, line: 10, column: 7)
240 !20 = !DILocalVariable(name: "b", scope: !18, file: !3, line: 12, type: !7)
241 !21 = !DILocalVariable(name: "c", scope: !22, file: !3, line: 15, type: !7)
242 !22 = distinct !DILexicalBlock(scope: !19, file: !3, line: 14, column: 10)
243 !23 = !DIExpression()
244 !24 = !DILocation(line: 9, column: 12, scope: !12)
245 !25 = !DILocation(line: 10, column: 7, scope: !19)
246 !26 = !DILocation(line: 15, column: 13, scope: !22)
247 !27 = !DILocation(line: 10, column: 7, scope: !12)
248 !28 = !DILocation(line: 11, column: 9, scope: !18)
249 !29 = !DILocalVariable(name: "a", arg: 1, scope: !30, file: !3, line: 4, type: !7)
250 !30 = distinct !DISubprogram(name: "inlineinc", scope: !3, file: !3, line: 4, type: !31, isLocal: true, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !33)
251 !31 = !DISubroutineType(types: !32)
254 !34 = !DILocalVariable(name: "b", scope: !30, file: !3, line: 5, type: !7)
255 !35 = !DILocation(line: 4, column: 33, scope: !30, inlinedAt: !36)
256 !36 = distinct !DILocation(line: 12, column: 13, scope: !18)
257 !37 = !DILocation(line: 5, column: 13, scope: !30, inlinedAt: !36)
258 !38 = !DILocation(line: 5, column: 7, scope: !30, inlinedAt: !36)
259 !39 = !DILocation(line: 6, column: 3, scope: !30, inlinedAt: !36)
260 !40 = !{!41, !41, i64 0}
261 !41 = !{!"int", !42, i64 0}
262 !42 = !{!"omnipotent char", !43, i64 0}
263 !43 = !{!"Simple C/C++ TBAA"}
264 !44 = !DILocation(line: 12, column: 9, scope: !18)
265 !45 = !DILocation(line: 13, column: 5, scope: !18)
266 !46 = !DILocation(line: 14, column: 3, scope: !18)
267 !47 = !DILocation(line: 15, column: 9, scope: !22)
268 !48 = !DILocation(line: 16, column: 5, scope: !22)
269 !49 = !DILocation(line: 18, column: 1, scope: !12)