; RUN: llc < %s | FileCheck %s --check-prefix=ASM ; RUN: llc < %s -filetype=obj | llvm-readobj -codeview - | FileCheck %s --check-prefix=OBJ ; Generated from: ; volatile int x; ; int getint(void); ; void putint(int); ; static inline int inlineinc(int a) { ; int b = a + 1; ; ++x; ; return b; ; } ; void f(int p) { ; if (p) { ; int a = getint(); ; int b = inlineinc(a); ; putint(b); ; } else { ; int c = getint(); ; putint(c); ; } ; } ; ASM: f: # @f ; ASM: .Lfunc_begin0: ; ASM: # %bb.0: # %entry ; ASM: pushq %rsi ; ASM: subq $32, %rsp ; ASM: #DEBUG_VALUE: f:p <- $ecx ; ASM: movl %ecx, %esi ; ASM: [[p_ecx_esi:\.Ltmp.*]]: ; ASM: #DEBUG_VALUE: f:p <- $esi ; ASM: callq getint ; ASM: [[after_getint:\.Ltmp.*]]: ; ASM: #DEBUG_VALUE: a <- $eax ; ASM: #DEBUG_VALUE: inlineinc:a <- $eax ; ASM: #DEBUG_VALUE: c <- $eax ; ASM: testl %esi, %esi ; ASM: je .LBB0_2 ; ASM: [[after_je:\.Ltmp.*]]: ; ASM: # %bb.1: # %if.then ; ASM-DAG: #DEBUG_VALUE: inlineinc:a <- $eax ; ASM-DAG: #DEBUG_VALUE: a <- $eax ; ASM-DAG: #DEBUG_VALUE: f:p <- $esi ; ASM: addl $1, %eax ; ASM: [[after_inc_eax:\.Ltmp.*]]: ; ASM: #DEBUG_VALUE: inlineinc:b <- $eax ; ASM: #DEBUG_VALUE: b <- $eax ; ASM: addl $1, x(%rip) ; ASM: [[after_if:\.Ltmp.*]]: ; ASM: .LBB0_2: # %if.else ; ASM: #DEBUG_VALUE: f:p <- $esi ; ASM: movl %eax, %ecx ; ASM: addq $32, %rsp ; ASM: popq %rsi ; ASM: [[func_end:\.Ltmp.*]]: ; ASM: jmp putint # TAILCALL ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "p" ; ASM: .cv_def_range .Lfunc_begin0 [[p_ecx_esi]], "A\021\022\000\000\000" ; ASM: .cv_def_range [[p_ecx_esi]] [[func_end]], "A\021\027\000\000\000" ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "c" ; ASM: .cv_def_range [[after_getint]] [[after_je]], "A\021\021\000\000\000" ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "a" ; ASM: .cv_def_range [[after_getint]] [[after_inc_eax]], "A\021\021\000\000\000" ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "b" ; ASM: .cv_def_range [[after_inc_eax]] [[after_if]], "A\021\021\000\000\000" ; ASM: .short 4429 # Record kind: S_INLINESITE ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "a" ; ASM: .cv_def_range [[after_getint]] [[after_inc_eax]], "A\021\021\000\000\000" ; ASM: .short 4414 # Record kind: S_LOCAL ; ASM: .asciz "b" ; ASM: .cv_def_range [[after_inc_eax]] [[after_if]], "A\021\021\000\000\000" ; ASM: .short 4430 # Record kind: S_INLINESITE_END ; OBJ: Subsection [ ; OBJ: SubSectionType: Symbols (0xF1) ; OBJ: {{.*}}Proc{{.*}}Sym { ; OBJ: DisplayName: f ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x1) ; OBJ: IsParameter (0x1) ; OBJ: ] ; OBJ: VarName: p ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: ECX (0x12) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0x0 ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x7 ; OBJ: } ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: ESI (0x17) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0x7 ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x1A ; OBJ: } ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x0) ; OBJ: ] ; OBJ: VarName: c ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: EAX (0x11) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0xC ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x4 ; OBJ: } ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x0) ; OBJ: ] ; OBJ: VarName: a ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: EAX (0x11) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0xC ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x7 ; OBJ: } ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x0) ; OBJ: ] ; OBJ: VarName: b ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: EAX (0x11) ; OBJ: MayHaveNoName: 0 ; OBJ: OffsetStart: .text+0x13 ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x7 ; OBJ: } ; OBJ: } ; OBJ: InlineSiteSym { ; OBJ: PtrParent: 0x0 ; OBJ: PtrEnd: 0x0 ; OBJ: Inlinee: inlineinc (0x1002) ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x1) ; OBJ: IsParameter (0x1) ; OBJ: ] ; OBJ: VarName: a ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: EAX (0x11) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0xC ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x7 ; OBJ: } ; OBJ: } ; OBJ: LocalSym { ; OBJ: Type: int (0x74) ; OBJ: Flags [ (0x0) ; OBJ: ] ; OBJ: VarName: b ; OBJ: } ; OBJ: DefRangeRegisterSym { ; OBJ: Register: EAX (0x11) ; OBJ: LocalVariableAddrRange { ; OBJ: OffsetStart: .text+0x13 ; OBJ: ISectStart: 0x0 ; OBJ: Range: 0x7 ; OBJ: } ; OBJ: } ; OBJ: InlineSiteEnd { ; OBJ: } ; OBJ: ProcEnd ; OBJ: ] ; ModuleID = 't.cpp' source_filename = "test/DebugInfo/COFF/register-variables.ll" target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-windows-msvc18.0.0" @x = internal global i32 0, align 4, !dbg !0 ; Function Attrs: nounwind uwtable define void @f(i32 %p) #0 !dbg !12 { entry: tail call void @llvm.dbg.value(metadata i32 %p, metadata !16, metadata !23), !dbg !24 %tobool = icmp eq i32 %p, 0, !dbg !25 %call2 = tail call i32 @getint() #3, !dbg !26 br i1 %tobool, label %if.else, label %if.then, !dbg !27 if.then: ; preds = %entry tail call void @llvm.dbg.value(metadata i32 %call2, metadata !17, metadata !23), !dbg !28 tail call void @llvm.dbg.value(metadata i32 %call2, metadata !29, metadata !23), !dbg !35 %add.i = add nsw i32 %call2, 1, !dbg !37 tail call void @llvm.dbg.value(metadata i32 %add.i, metadata !34, metadata !23), !dbg !38 %0 = load volatile i32, i32* @x, align 4, !dbg !39, !tbaa !40 %inc.i = add nsw i32 %0, 1, !dbg !39 store volatile i32 %inc.i, i32* @x, align 4, !dbg !39, !tbaa !40 tail call void @llvm.dbg.value(metadata i32 %add.i, metadata !20, metadata !23), !dbg !44 tail call void @putint(i32 %add.i) #3, !dbg !45 br label %if.end, !dbg !46 if.else: ; preds = %entry tail call void @llvm.dbg.value(metadata i32 %call2, metadata !21, metadata !23), !dbg !47 tail call void @putint(i32 %call2) #3, !dbg !48 br label %if.end if.end: ; preds = %if.else, %if.then ret void, !dbg !49 } declare i32 @getint() #1 declare void @putint(i32) #1 ; Function Attrs: nounwind readnone declare void @llvm.dbg.value(metadata, metadata, metadata) #2 attributes #0 = { nounwind 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 = { "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 #2 = { nounwind readnone } attributes #3 = { nounwind } !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!8, !9, !10} !llvm.ident = !{!11} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") !4 = !{} !5 = !{!0} !6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7) !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !8 = !{i32 2, !"CodeView", i32 1} !9 = !{i32 2, !"Debug Info Version", i32 3} !10 = !{i32 1, !"PIC Level", i32 2} !11 = !{!"clang version 3.9.0 (trunk 260617) (llvm/trunk 260619)"} !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) !13 = !DISubroutineType(types: !14) !14 = !{null, !7} !15 = !{!16, !17, !20, !21} !16 = !DILocalVariable(name: "p", arg: 1, scope: !12, file: !3, line: 9, type: !7) !17 = !DILocalVariable(name: "a", scope: !18, file: !3, line: 11, type: !7) !18 = distinct !DILexicalBlock(scope: !19, file: !3, line: 10, column: 10) !19 = distinct !DILexicalBlock(scope: !12, file: !3, line: 10, column: 7) !20 = !DILocalVariable(name: "b", scope: !18, file: !3, line: 12, type: !7) !21 = !DILocalVariable(name: "c", scope: !22, file: !3, line: 15, type: !7) !22 = distinct !DILexicalBlock(scope: !19, file: !3, line: 14, column: 10) !23 = !DIExpression() !24 = !DILocation(line: 9, column: 12, scope: !12) !25 = !DILocation(line: 10, column: 7, scope: !19) !26 = !DILocation(line: 15, column: 13, scope: !22) !27 = !DILocation(line: 10, column: 7, scope: !12) !28 = !DILocation(line: 11, column: 9, scope: !18) !29 = !DILocalVariable(name: "a", arg: 1, scope: !30, file: !3, line: 4, type: !7) !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) !31 = !DISubroutineType(types: !32) !32 = !{!7, !7} !33 = !{!29, !34} !34 = !DILocalVariable(name: "b", scope: !30, file: !3, line: 5, type: !7) !35 = !DILocation(line: 4, column: 33, scope: !30, inlinedAt: !36) !36 = distinct !DILocation(line: 12, column: 13, scope: !18) !37 = !DILocation(line: 5, column: 13, scope: !30, inlinedAt: !36) !38 = !DILocation(line: 5, column: 7, scope: !30, inlinedAt: !36) !39 = !DILocation(line: 6, column: 3, scope: !30, inlinedAt: !36) !40 = !{!41, !41, i64 0} !41 = !{!"int", !42, i64 0} !42 = !{!"omnipotent char", !43, i64 0} !43 = !{!"Simple C/C++ TBAA"} !44 = !DILocation(line: 12, column: 9, scope: !18) !45 = !DILocation(line: 13, column: 5, scope: !18) !46 = !DILocation(line: 14, column: 3, scope: !18) !47 = !DILocation(line: 15, column: 9, scope: !22) !48 = !DILocation(line: 16, column: 5, scope: !22) !49 = !DILocation(line: 18, column: 1, scope: !12)