1 ; RUN: llc -mtriple=x86_64-linux-gnueabi -disable-debug-info-print < %s | FileCheck %s 2 ; RUN: opt -strip -S < %s | llc -mtriple=x86_64-linux-gnueabi -disable-debug-info-print | FileCheck %s 3 4 ; This test checks if the code is generated correctly with and without debug info. 5 6 ; This LL file was generated by running 'clang -g -gcodeview' on the 7 ; following code: 8 ; 1: extern "C" volatile int x; 9 ; 2: extern "C" void capture(int *p); 10 ; 3: static __forceinline inline void will_be_inlined() { 11 ; 4: int v = 3; 12 ; 5: capture(&v); 13 ; 6: } 14 ; 7: extern "C" void f(int param) { 15 ; 8: if (param) { 16 ; 9: int a = 42; 17 ; 10: will_be_inlined(); 18 ; 11: capture(&a); 19 ; 12: } else { 20 ; 13: int b = 42; 21 ; 14: will_be_inlined(); 22 ; 15: capture(&b); 23 ; 16: } 24 ; 17: } 25 26 ; ModuleID = 't.cpp' 27 28 ; Function Attrs: nounwind uwtable 29 define void @f(i32 %param) #0 !dbg !4 { 30 entry: 31 %v.i1 = alloca i32, align 4 32 call void @llvm.dbg.declare(metadata i32* %v.i1, metadata !15, metadata !16), !dbg !17 33 %v.i = alloca i32, align 4 34 call void @llvm.dbg.declare(metadata i32* %v.i, metadata !15, metadata !16), !dbg !21 35 %param.addr = alloca i32, align 4 36 %a = alloca i32, align 4 37 %b = alloca i32, align 4 38 store i32 %param, i32* %param.addr, align 4 39 call void @llvm.dbg.declare(metadata i32* %param.addr, metadata !24, metadata !16), !dbg !25 40 %0 = load i32, i32* %param.addr, align 4, !dbg !26 41 %tobool = icmp ne i32 %0, 0, !dbg !26 42 br i1 %tobool, label %if.then, label %if.else, !dbg !27 43 44 ;CHECK: movl [[REG:.*]], 20(%rsp) 45 ;CHECK: je [[LABEL:.*]] 46 47 if.then: ; preds = %entry 48 call void @llvm.dbg.declare(metadata i32* %a, metadata !28, metadata !16), !dbg !29 49 store i32 42, i32* %a, align 4, !dbg !29 50 store i32 3, i32* %v.i, align 4, !dbg !21 51 call void @capture(i32* %v.i) #3, !dbg !30 52 call void @capture(i32* %a), !dbg !31 53 br label %if.end, !dbg !32 54 55 ;CHECK: movl $3, 12(%rsp) 56 57 if.else: ; preds = %entry 58 call void @llvm.dbg.declare(metadata i32* %b, metadata !33, metadata !16), !dbg !34 59 store i32 42, i32* %b, align 4, !dbg !34 60 store i32 3, i32* %v.i1, align 4, !dbg !17 61 call void @capture(i32* %v.i1) #3, !dbg !35 62 call void @capture(i32* %b), !dbg !36 63 br label %if.end 64 65 ;CHECK: [[LABEL]]: 66 ;CHECK: movl $3, 16(%rsp) 67 68 if.end: ; preds = %if.else, %if.then 69 ret void, !dbg !37 70 } 71 72 ; Function Attrs: nounwind readnone 73 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 74 75 declare void @capture(i32*) #2 76 77 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" } 78 attributes #1 = { nounwind readnone } 79 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" } 80 attributes #3 = { nounwind } 81 82 !llvm.dbg.cu = !{!0} 83 !llvm.module.flags = !{!11, !12, !13} 84 !llvm.ident = !{!14} 85 86 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 87 !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") 88 !2 = !{} 89 !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 90 !5 = !DISubroutineType(types: !6) 91 !6 = !{null, !7} 92 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 93 !8 = distinct !DISubprogram(name: "will_be_inlined", linkageName: "\01?will_be_inlined@@YAXXZ", scope: !1, file: !1, line: 3, type: !9, isLocal: true, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 94 !9 = !DISubroutineType(types: !10) 95 !10 = !{null} 96 !11 = !{i32 2, !"CodeView", i32 1} 97 !12 = !{i32 2, !"Debug Info Version", i32 3} 98 !13 = !{i32 1, !"PIC Level", i32 2} 99 !14 = !{!"clang version 3.9.0 "} 100 !15 = !DILocalVariable(name: "v", scope: !8, file: !1, line: 4, type: !7) 101 !16 = !DIExpression() 102 !17 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !18) 103 !18 = distinct !DILocation(line: 14, column: 5, scope: !19) 104 !19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 12, column: 10) 105 !20 = distinct !DILexicalBlock(scope: !4, file: !1, line: 8, column: 7) 106 !21 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !22) 107 !22 = distinct !DILocation(line: 10, column: 5, scope: !23) 108 !23 = distinct !DILexicalBlock(scope: !20, file: !1, line: 8, column: 14) 109 !24 = !DILocalVariable(name: "param", arg: 1, scope: !4, file: !1, line: 7, type: !7) 110 !25 = !DILocation(line: 7, column: 23, scope: !4) 111 !26 = !DILocation(line: 8, column: 7, scope: !20) 112 !27 = !DILocation(line: 8, column: 7, scope: !4) 113 !28 = !DILocalVariable(name: "a", scope: !23, file: !1, line: 9, type: !7) 114 !29 = !DILocation(line: 9, column: 9, scope: !23) 115 !30 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !22) 116 !31 = !DILocation(line: 11, column: 5, scope: !23) 117 !32 = !DILocation(line: 12, column: 3, scope: !23) 118 !33 = !DILocalVariable(name: "b", scope: !19, file: !1, line: 13, type: !7) 119 !34 = !DILocation(line: 13, column: 9, scope: !19) 120 !35 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !18) 121 !36 = !DILocation(line: 15, column: 5, scope: !19) 122 !37 = !DILocation(line: 17, column: 1, scope: !4) 123