1; RUN: opt < %s -mem2reg -S | FileCheck %s 2source_filename = "bugpoint-output.bc" 3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-apple-macosx10.12.0" 5 6define void @scan() #0 !dbg !12 { 7entry: 8 %entry1 = alloca i8, align 8 9 call void @llvm.dbg.declare(metadata i8* %entry1, metadata !18, metadata !19), !dbg !20 10 store i8 0, i8* %entry1, align 8, !dbg !20 11 br label %for.cond, !dbg !20 12 13for.cond: 14; CHECK: %[[PHI:.*]] = phi i8 [ 0, %entry ], [ %0, %for.cond ] 15 %entryN = load i8, i8* %entry1, align 8, !dbg !20 16; CHECK: call void @llvm.dbg.value(metadata i8 %[[PHI]], 17; CHECK-SAME: metadata !DIExpression()) 18 %0 = add i8 %entryN, 1 19; CHECK: %0 = add i8 %[[PHI]], 1 20; CHECK: call void @llvm.dbg.value(metadata i8 %0, 21; CHECK-SAME: metadata !DIExpression()) 22 store i8 %0, i8* %entry1, align 8, !dbg !20 23 br label %for.cond, !dbg !20 24} 25 26declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 27 28attributes #0 = { nounwind ssp uwtable } 29attributes #1 = { nounwind readnone } 30 31!llvm.dbg.cu = !{!0} 32!llvm.module.flags = !{!10, !11} 33 34!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "adrian", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 35!1 = !DIFile(filename: "<stdin>", directory: "/") 36!2 = !{} 37!4 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 38!10 = !{i32 2, !"Debug Info Version", i32 3} 39!11 = !{i32 1, !"PIC Level", i32 2} 40!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) 41!13 = !DISubroutineType(types: !14) 42!14 = !{null, !4, !4} 43!15 = !{!18} 44!18 = !DILocalVariable(name: "entry", scope: !12, file: !1, line: 6, type: !4) 45!19 = !DIExpression() 46!20 = !DILocation(line: 6, scope: !12) 47