123 lines
5.7 KiB
LLVM
123 lines
5.7 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux-gnueabi -disable-debug-info-print < %s | FileCheck %s
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; RUN: opt -strip -S < %s | llc -mtriple=x86_64-linux-gnueabi -disable-debug-info-print | FileCheck %s
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; This test checks if the code is generated correctly with and without debug info.
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; This LL file was generated by running 'clang -g -gcodeview' on the
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; following code:
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; 1: extern "C" volatile int x;
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; 2: extern "C" void capture(int *p);
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; 3: static __forceinline inline void will_be_inlined() {
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; 4: int v = 3;
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; 5: capture(&v);
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; 6: }
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; 7: extern "C" void f(int param) {
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; 8: if (param) {
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; 9: int a = 42;
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; 10: will_be_inlined();
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; 11: capture(&a);
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; 12: } else {
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; 13: int b = 42;
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; 14: will_be_inlined();
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; 15: capture(&b);
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; 16: }
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; 17: }
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; ModuleID = 't.cpp'
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; Function Attrs: nounwind uwtable
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define void @f(i32 %param) #0 !dbg !4 {
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entry:
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%v.i1 = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %v.i1, metadata !15, metadata !16), !dbg !17
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%v.i = alloca i32, align 4
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call void @llvm.dbg.declare(metadata i32* %v.i, metadata !15, metadata !16), !dbg !21
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%param.addr = alloca i32, align 4
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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store i32 %param, i32* %param.addr, align 4
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call void @llvm.dbg.declare(metadata i32* %param.addr, metadata !24, metadata !16), !dbg !25
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%0 = load i32, i32* %param.addr, align 4, !dbg !26
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%tobool = icmp ne i32 %0, 0, !dbg !26
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br i1 %tobool, label %if.then, label %if.else, !dbg !27
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;CHECK: movl [[REG:.*]], 20(%rsp)
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;CHECK: je [[LABEL:.*]]
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if.then: ; preds = %entry
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call void @llvm.dbg.declare(metadata i32* %a, metadata !28, metadata !16), !dbg !29
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store i32 42, i32* %a, align 4, !dbg !29
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store i32 3, i32* %v.i, align 4, !dbg !21
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call void @capture(i32* %v.i) #3, !dbg !30
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call void @capture(i32* %a), !dbg !31
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br label %if.end, !dbg !32
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;CHECK: movl $3, 12(%rsp)
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if.else: ; preds = %entry
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call void @llvm.dbg.declare(metadata i32* %b, metadata !33, metadata !16), !dbg !34
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store i32 42, i32* %b, align 4, !dbg !34
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store i32 3, i32* %v.i1, align 4, !dbg !17
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call void @capture(i32* %v.i1) #3, !dbg !35
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call void @capture(i32* %b), !dbg !36
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br label %if.end
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;CHECK: [[LABEL]]:
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;CHECK: movl $3, 16(%rsp)
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if.end: ; preds = %if.else, %if.then
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ret void, !dbg !37
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @capture(i32*) #2
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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" }
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attributes #1 = { nounwind readnone }
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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" }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11, !12, !13}
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!llvm.ident = !{!14}
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!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)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!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)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!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)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null}
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!11 = !{i32 2, !"CodeView", i32 1}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !{i32 1, !"PIC Level", i32 2}
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!14 = !{!"clang version 3.9.0 "}
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!15 = !DILocalVariable(name: "v", scope: !8, file: !1, line: 4, type: !7)
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!16 = !DIExpression()
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!17 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !18)
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!18 = distinct !DILocation(line: 14, column: 5, scope: !19)
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!19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 12, column: 10)
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!20 = distinct !DILexicalBlock(scope: !4, file: !1, line: 8, column: 7)
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!21 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !22)
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!22 = distinct !DILocation(line: 10, column: 5, scope: !23)
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!23 = distinct !DILexicalBlock(scope: !20, file: !1, line: 8, column: 14)
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!24 = !DILocalVariable(name: "param", arg: 1, scope: !4, file: !1, line: 7, type: !7)
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!25 = !DILocation(line: 7, column: 23, scope: !4)
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!26 = !DILocation(line: 8, column: 7, scope: !20)
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!27 = !DILocation(line: 8, column: 7, scope: !4)
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!28 = !DILocalVariable(name: "a", scope: !23, file: !1, line: 9, type: !7)
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!29 = !DILocation(line: 9, column: 9, scope: !23)
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!30 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !22)
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!31 = !DILocation(line: 11, column: 5, scope: !23)
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!32 = !DILocation(line: 12, column: 3, scope: !23)
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!33 = !DILocalVariable(name: "b", scope: !19, file: !1, line: 13, type: !7)
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!34 = !DILocation(line: 13, column: 9, scope: !19)
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!35 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !18)
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!36 = !DILocation(line: 15, column: 5, scope: !19)
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!37 = !DILocation(line: 17, column: 1, scope: !4)
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