forked from OSchip/llvm-project
62 lines
2.6 KiB
LLVM
62 lines
2.6 KiB
LLVM
; RUN: opt -instcombine -instcombine-lower-dbg-declare=1 -S < %s | FileCheck %s
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; RUN: opt -instcombine -instcombine-lower-dbg-declare=0 -S < %s | FileCheck %s --check-prefix=DECLARE
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-linux-gnu"
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%foo = type { i64, i32, i32 }
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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; Function Attrs: sspreq
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define void @julia_fastshortest_6256() #1 {
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top:
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%cp = alloca %foo, align 8
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%sink = alloca %foo, align 8
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call void @llvm.dbg.declare(metadata %foo* %cp, metadata !1, metadata !16), !dbg !17
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br i1 undef, label %idxend, label %fail
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fail: ; preds = %top
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unreachable
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idxend: ; preds = %top
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; CHECK-NOT: call void @llvm.dbg.value(metadata %foo* %cp,
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%0 = load %foo, %foo* %cp, align 8
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store volatile %foo %0, %foo *%sink, align 8
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; CHECK: call void @llvm.dbg.value(metadata %foo %
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store %foo %0, %foo* undef, align 8
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ret void
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}
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; Keep the declare if we keep the alloca.
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; DECLARE-LABEL: define void @julia_fastshortest_6256()
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; DECLARE: %cp = alloca %foo, align 8
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; DECLARE: call void @llvm.dbg.declare(metadata %foo* %cp,
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attributes #0 = { nounwind readnone }
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attributes #1 = { sspreq }
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!llvm.module.flags = !{!0}
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!llvm.dbg.cu = !{!18}
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!0 = !{i32 1, !"Debug Info Version", i32 3}
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!1 = !DILocalVariable(name: "cp", scope: !2, file: !3, line: 106, type: !12)
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!2 = distinct !DISubprogram(name: "fastshortest", linkageName: "julia_fastshortest_6256", scope: null, file: !3, type: !4, isLocal: false, isDefinition: true, isOptimized: true, unit: !18, retainedNodes: !11)
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!3 = !DIFile(filename: "grisu/fastshortest.jl", directory: ".")
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!4 = !DISubroutineType(types: !5)
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!5 = !{!6, !7}
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!6 = !DIBasicType(name: "Float64", size: 64, align: 64, encoding: DW_ATE_unsigned)
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!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64)
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!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "jl_value_t", file: !9, line: 71, align: 64, elements: !10)
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!9 = !DIFile(filename: "julia.h", directory: "")
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!10 = !{!7}
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!11 = !{}
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!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "Float", size: 128, align: 64, elements: !13, runtimeLang: DW_LANG_Julia)
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!13 = !{!14, !15, !15}
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!14 = !DIBasicType(name: "UInt64", size: 64, align: 64, encoding: DW_ATE_unsigned)
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!15 = !DIBasicType(name: "Int32", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!16 = !DIExpression()
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!17 = !DILocation(line: 106, scope: !2)
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!18 = distinct !DICompileUnit(language: DW_LANG_Julia, file: !3)
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