47 lines
1.9 KiB
LLVM
47 lines
1.9 KiB
LLVM
; RUN: opt < %s -passes=mem2reg -S | FileCheck %s
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source_filename = "bugpoint-output.bc"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.12.0"
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define void @scan() #0 !dbg !12 {
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entry:
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%entry1 = alloca i8, align 8
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call void @llvm.dbg.declare(metadata i8* %entry1, metadata !18, metadata !19), !dbg !20
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store i8 0, i8* %entry1, align 8, !dbg !20
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br label %for.cond, !dbg !20
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for.cond:
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; CHECK: %[[PHI:.*]] = phi i8 [ 0, %entry ], [ %0, %for.cond ]
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%entryN = load i8, i8* %entry1, align 8, !dbg !20
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; CHECK: call void @llvm.dbg.value(metadata i8 %[[PHI]],
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; CHECK-SAME: metadata !DIExpression())
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%0 = add i8 %entryN, 1
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; CHECK: %0 = add i8 %[[PHI]], 1
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; CHECK: call void @llvm.dbg.value(metadata i8 %0,
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; CHECK-SAME: metadata !DIExpression())
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store i8 %0, i8* %entry1, align 8, !dbg !20
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br label %for.cond, !dbg !20
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "adrian", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "<stdin>", directory: "/")
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!2 = !{}
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!4 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !{i32 1, !"PIC Level", i32 2}
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!12 = distinct !DISubprogram(name: "scan", scope: !1, file: !1, line: 4, type: !13, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !15)
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!13 = !DISubroutineType(types: !14)
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!14 = !{null, !4, !4}
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!15 = !{!18}
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!18 = !DILocalVariable(name: "entry", scope: !12, file: !1, line: 6, type: !4)
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!19 = !DIExpression()
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!20 = !DILocation(line: 6, scope: !12)
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