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1; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s | FileCheck %s --check-prefix=ASM2; RUN: llc -mcpu=core2 -mtriple=i686-pc-win32 < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ3 4; This C++ source should run and you should be able to step through the volatile5; modifications to x in windbg.6; # 1 "t.cpp" 27; volatile int x;8;9; # 1 "./t.h" 110; inline void f() {11; x += 3;12; }13; # 3 "t.cpp" 214; inline __forceinline void g() {15; x += 2;16; f();17; x += 2;18; }19; int main() {20; x += 1;21; g();22; x += 1;23; return x;24; }25 26; ASM: _main: # @main27; ASM: Lfunc_begin0:28; ASM: .cv_func_id 029; ASM: # %bb.0: # %entry30; ASM: .cv_file 1 "D:\\src\\llvm\\build\\t.cpp"31; ASM: .cv_loc 0 1 9 5 # t.cpp:9:532; ASM: incl "?x@@3HC"33; ASM: .cv_inline_site_id 1 within 0 inlined_at 1 10 334; ASM: .cv_loc 1 1 4 5 # t.cpp:4:535; ASM: addl $2, "?x@@3HC"36; ASM: .cv_file 2 "D:\\src\\llvm\\build\\t.h"37; ASM: .cv_inline_site_id 2 within 1 inlined_at 1 5 338; ASM: .cv_loc 2 2 2 5 # ./t.h:2:539; ASM: addl $3, "?x@@3HC"40; ASM: .cv_loc 1 1 6 5 # t.cpp:6:541; ASM: addl $2, "?x@@3HC"42; ASM: .cv_loc 0 1 11 5 # t.cpp:11:543; ASM: incl "?x@@3HC"44; ASM: .cv_loc 0 1 12 10 # t.cpp:12:1045; ASM: movl "?x@@3HC", %eax46; ASM: .cv_loc 0 1 12 3 # t.cpp:12:347; ASM: retl48 49; OBJ: Subsection [50; OBJ: SubSectionType: InlineeLines (0xF6)51; OBJ: SubSectionSize: 0x1C52; OBJ: InlineeSourceLine {53; OBJ: Inlinee: g (0x1002)54; OBJ: FileID: D:\src\llvm\build\t.cpp (0x0)55; OBJ: SourceLineNum: 356; OBJ: }57; OBJ: InlineeSourceLine {58; OBJ: Inlinee: f (0x1003)59; OBJ: FileID: D:\src\llvm\build\t.h (0x8)60; OBJ: SourceLineNum: 161; OBJ: }62; OBJ: ]63 64; OBJ: Subsection [65; OBJ: SubSectionType: Symbols (0xF1)66; OBJ: {{.*}}Proc{{.*}}Sym {67; OBJ: Kind: S_GPROC32_ID (0x1147)68; OBJ: FunctionType: main (0x1005)69; OBJ: CodeOffset: _main+0x070; OBJ: Segment: 0x071; OBJ: Flags [ (0x80)72; OBJ: HasOptimizedDebugInfo (0x80)73; OBJ: ]74; OBJ: DisplayName: main75; OBJ: LinkageName: _main76; OBJ: }77 78; OBJ: InlineesSym {79; OBJ-NEXT: Kind: S_INLINEES (0x1168)80; OBJ-NEXT: Inlinees [81; OBJ-NEXT: FuncID: g (0x1002)82; OBJ-NEXT: ]83; OBJ-NEXT: }84 85; Previously, g's InlineSiteSym referenced t.h, which was wasteful.86; OBJ: InlineSiteSym {87; OBJ: Inlinee: g (0x1002)88; OBJ: BinaryAnnotations [89; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x6, LineOffset: 1}90; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}91; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0x7, LineOffset: 1}92; OBJ-NEXT: ChangeCodeLength: 0x793; OBJ-NEXT: ]94; OBJ: }95 96; OBJ: InlineSiteSym {97; OBJ: Inlinee: f (0x1003)98; OBJ: BinaryAnnotations [99; OBJ-NEXT: ChangeCodeOffsetAndLineOffset: {CodeOffset: 0xD, LineOffset: 1}100; OBJ-NEXT: ChangeCodeLength: 0x7101; OBJ-NEXT:]102; OBJ: }103; OBJ: InlineSiteEnd {104; OBJ: }105; OBJ: InlineSiteEnd {106; OBJ: }107; OBJ: ProcEnd {108; OBJ: }109; OBJ: ]110 111; ModuleID = 't.cpp'112source_filename = "t.cpp"113target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"114target triple = "x86_64-pc-windows-msvc19.0.24210"115 116@"\01?x@@3HC" = global i32 0, align 4, !dbg !0117 118; Function Attrs: norecurse nounwind uwtable119define i32 @main() local_unnamed_addr #0 !dbg !12 {120entry:121 %0 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16122 %add = add nsw i32 %0, 1, !dbg !15123 store volatile i32 %add, ptr @"\01?x@@3HC", align 4, !dbg !15, !tbaa !16124 %1 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16125 %add.i = add nsw i32 %1, 2, !dbg !20126 store volatile i32 %add.i, ptr @"\01?x@@3HC", align 4, !dbg !20, !tbaa !16127 %2 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16128 %add.i.i = add nsw i32 %2, 3, !dbg !25129 store volatile i32 %add.i.i, ptr @"\01?x@@3HC", align 4, !dbg !25, !tbaa !16130 %3 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16131 %add1.i = add nsw i32 %3, 2, !dbg !29132 store volatile i32 %add1.i, ptr @"\01?x@@3HC", align 4, !dbg !29, !tbaa !16133 %4 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16134 %add1 = add nsw i32 %4, 1, !dbg !30135 store volatile i32 %add1, ptr @"\01?x@@3HC", align 4, !dbg !30, !tbaa !16136 %5 = load volatile i32, ptr @"\01?x@@3HC", align 4, !dbg !31, !tbaa !16137 ret i32 %5, !dbg !32138}139 140attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "use-soft-float"="false" }141 142!llvm.dbg.cu = !{!2}143!llvm.module.flags = !{!8, !9, !10}144!llvm.ident = !{!11}145 146!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())147!1 = !DIGlobalVariable(name: "x", linkageName: "\01?x@@3HC", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)148!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)149!3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")150!4 = !{}151!5 = !{!0}152!6 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !7)153!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)154!8 = !{i32 2, !"CodeView", i32 1}155!9 = !{i32 2, !"Debug Info Version", i32 3}156!10 = !{i32 1, !"PIC Level", i32 2}157!11 = !{!"clang version 3.9.0 (trunk 275430) (llvm/trunk 275433)"}158!12 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 8, type: !13, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)159!13 = !DISubroutineType(types: !14)160!14 = !{!7}161!15 = !DILocation(line: 9, column: 5, scope: !12)162!16 = !{!17, !17, i64 0}163!17 = !{!"int", !18, i64 0}164!18 = !{!"omnipotent char", !19, i64 0}165!19 = !{!"Simple C++ TBAA"}166!20 = !DILocation(line: 4, column: 5, scope: !21, inlinedAt: !24)167!21 = distinct !DISubprogram(name: "g", linkageName: "\01?g@@YAXXZ", scope: !3, file: !3, line: 3, type: !22, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)168!22 = !DISubroutineType(types: !23)169!23 = !{null}170!24 = distinct !DILocation(line: 10, column: 3, scope: !12)171!25 = !DILocation(line: 2, column: 5, scope: !26, inlinedAt: !28)172!26 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !27, file: !27, line: 1, type: !22, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !4)173!27 = !DIFile(filename: "./t.h", directory: "D:\5Csrc\5Cllvm\5Cbuild")174!28 = distinct !DILocation(line: 5, column: 3, scope: !21, inlinedAt: !24)175!29 = !DILocation(line: 6, column: 5, scope: !21, inlinedAt: !24)176!30 = !DILocation(line: 11, column: 5, scope: !12)177!31 = !DILocation(line: 12, column: 10, scope: !12)178!32 = !DILocation(line: 12, column: 3, scope: !12)179 180