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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
92 lines
4.3 KiB
LLVM
92 lines
4.3 KiB
LLVM
; RUN: opt -mem2reg -S < %s | FileCheck %s
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; ModuleID = 'newvars.c'
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source_filename = "newvars.c"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.0.24215"
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; Function Attrs: nounwind uwtable
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define i32 @if_else(i32 %cond, i32 %a, i32 %b) !dbg !8 {
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entry:
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%x = alloca i32, align 4
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call void @llvm.dbg.addr(metadata i32* %x, metadata !16, metadata !DIExpression()), !dbg !26
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store i32 %a, i32* %x, align 4, !dbg !26, !tbaa !17
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%tobool = icmp ne i32 %cond, 0, !dbg !28
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br i1 %tobool, label %if.then, label %if.else, !dbg !30
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if.then: ; preds = %entry
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store i32 0, i32* %x, align 4, !dbg !31, !tbaa !17
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br label %if.end, !dbg !33
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if.else: ; preds = %entry
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store i32 %b, i32* %x, align 4, !dbg !36, !tbaa !17
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%rv = load i32, i32* %x, align 4, !dbg !37, !tbaa !17
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ret i32 %rv, !dbg !39
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}
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; CHECK-LABEL: define i32 @if_else({{.*}})
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; CHECK: entry:
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; CHECK-NOT: alloca i32
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; CHECK: call void @llvm.dbg.value(metadata i32 %a, metadata ![[X_LOCAL:[0-9]+]], metadata !DIExpression())
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; CHECK: if.then: ; preds = %entry
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; CHECK: call void @llvm.dbg.value(metadata i32 0, metadata ![[X_LOCAL]], metadata !DIExpression())
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; CHECK: if.else: ; preds = %entry
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; CHECK: call void @llvm.dbg.value(metadata i32 %b, metadata ![[X_LOCAL]], metadata !DIExpression())
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; CHECK: if.end: ; preds = %if.else, %if.then
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; CHECK: %[[PHI:[^ ]*]] = phi i32 [ 0, %if.then ], [ %b, %if.else ]
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; CHECK: call void @llvm.dbg.value(metadata i32 %[[PHI]], metadata ![[X_LOCAL]], metadata !DIExpression())
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; CHECK: ret i32
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; CHECK: ![[X_LOCAL]] = !DILocalVariable(name: "x", {{.*}})
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.declare(metadata, metadata, metadata)
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declare void @llvm.dbg.addr(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "newvars.c", directory: "C:\5Csrc\5Cllvm-project\5Cbuild")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 2}
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!6 = !{i32 7, !"PIC Level", i32 2}
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!7 = !{!"clang version 6.0.0 "}
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!8 = distinct !DISubprogram(name: "if_else", scope: !1, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11, !11, !11, !11}
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !{!13, !14, !15, !16}
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!13 = !DILocalVariable(name: "b", arg: 3, scope: !8, file: !1, line: 1, type: !11)
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!14 = !DILocalVariable(name: "a", arg: 2, scope: !8, file: !1, line: 1, type: !11)
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!15 = !DILocalVariable(name: "cond", arg: 1, scope: !8, file: !1, line: 1, type: !11)
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!16 = !DILocalVariable(name: "x", scope: !8, file: !1, line: 2, type: !11)
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!17 = !{!18, !18, i64 0}
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!18 = !{!"int", !19, i64 0}
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!19 = !{!"omnipotent char", !20, i64 0}
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!20 = !{!"Simple C/C++ TBAA"}
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!22 = !DILocation(line: 1, column: 34, scope: !8)
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!23 = !DILocation(line: 1, column: 27, scope: !8)
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!24 = !DILocation(line: 1, column: 17, scope: !8)
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!25 = !DILocation(line: 2, column: 3, scope: !8)
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!26 = !DILocation(line: 2, column: 7, scope: !8)
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!27 = !DILocation(line: 2, column: 11, scope: !8)
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!28 = !DILocation(line: 3, column: 7, scope: !29)
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!29 = distinct !DILexicalBlock(scope: !8, file: !1, line: 3, column: 7)
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!30 = !DILocation(line: 3, column: 7, scope: !8)
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!31 = !DILocation(line: 4, column: 7, scope: !32)
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!32 = distinct !DILexicalBlock(scope: !29, file: !1, line: 3, column: 13)
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!33 = !DILocation(line: 5, column: 3, scope: !32)
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!34 = !DILocation(line: 6, column: 9, scope: !35)
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!35 = distinct !DILexicalBlock(scope: !29, file: !1, line: 5, column: 10)
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!36 = !DILocation(line: 6, column: 7, scope: !35)
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!37 = !DILocation(line: 8, column: 10, scope: !8)
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!38 = !DILocation(line: 9, column: 1, scope: !8)
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!39 = !DILocation(line: 8, column: 3, scope: !8)
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