76 lines
3.2 KiB
LLVM
76 lines
3.2 KiB
LLVM
; RUN: llc -enable-machine-outliner -mtriple=x86_64-apple-darwin < %s | FileCheck %s
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@x = global i32 0, align 4, !dbg !0
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define i32 @main() #0 !dbg !11 {
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; CHECK-LABEL: _main:
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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; There is a debug value in the middle of this section, make sure debug values are ignored.
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; CHECK: callq l_OUTLINED_FUNCTION_0
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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call void @llvm.dbg.value(metadata i32 10, i64 0, metadata !15, metadata !16), !dbg !17
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store i32 4, i32* %5, align 4
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store i32 0, i32* @x, align 4, !dbg !24
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; This is the same sequence of instructions without a debug value. It should be outlined
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; in the same way.
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; CHECK: callq l_OUTLINED_FUNCTION_0
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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store i32 4, i32* %5, align 4
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store i32 1, i32* @x, align 4, !dbg !14
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ret i32 0, !dbg !25
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}
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; CHECK-LABEL: l_OUTLINED_FUNCTION_0:
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; CHECK-NOT: .loc {{[0-9]+}} {{[0-9]+}} {{[0-9]+}} {{^(is_stmt)}}
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; CHECK-NOT: ##DEBUG_VALUE: main:{{[a-z]}} <- {{[0-9]+}}
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; CHECK: movl $1, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: retq
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { noredzone nounwind ssp uwtable "no-frame-pointer-elim"="true" }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9}
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!llvm.ident = !{!10}
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "debug-test.c", directory: "dir")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 2, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"PIC Level", i32 2}
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!10 = !{!"clang version 5.0.0"}
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!11 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !12, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !2, variables: !4)
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!12 = !DISubroutineType(types: !13)
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!13 = !{!6}
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!14 = !DILocation(line: 7, column: 4, scope: !11)
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!15 = !DILocalVariable(name: "a", scope: !11, file: !3, line: 5, type: !6)
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!16 = !DIExpression()
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!17 = !DILocation(line: 5, column: 6, scope: !11)
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!18 = !DILocalVariable(name: "b", scope: !11, file: !3, line: 5, type: !6)
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!19 = !DILocation(line: 5, column: 9, scope: !11)
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!20 = !DILocalVariable(name: "c", scope: !11, file: !3, line: 5, type: !6)
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!21 = !DILocation(line: 5, column: 12, scope: !11)
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!22 = !DILocalVariable(name: "d", scope: !11, file: !3, line: 5, type: !6)
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!23 = !DILocation(line: 5, column: 15, scope: !11)
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!24 = !DILocation(line: 14, column: 4, scope: !11)
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!25 = !DILocation(line: 21, column: 2, scope: !11)
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