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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
84 lines
4.1 KiB
LLVM
84 lines
4.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -simplifycfg | FileCheck %s
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; This test case was generated from speculate-dbgvalue.c:
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;
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; int test1(int getdirt, int dirt) {
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; int result = 100;
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; if (getdirt != 0)
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; result = dirt;
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; return result;
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; }
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;
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; using
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; clang speculate-dbgvalue.c -S -emit-llvm -g -O3 -mllvm -disable-llvm-optzns -o - | opt -mem2reg -S
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; Function Attrs: nounwind uwtable
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define i32 @test1(i32 %getdirt, i32 %dirt) #0 !dbg !7 {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[GETDIRT:%.*]], metadata !12, metadata !DIExpression()), !dbg !15
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[DIRT:%.*]], metadata !13, metadata !DIExpression()), !dbg !16
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 100, metadata !14, metadata !DIExpression()), !dbg !17
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[GETDIRT]], 0, !dbg !18
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; *** We used to get an incorrect "call void @llvm.dbg.value(metadata i32 [[DIRT]], metadata !14, metadata !DIExpression()), !dbg !17" here, before the select. ***
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; CHECK-NOT: call void @llvm.dbg.value(metadata i32 [[DIRT]], metadata !14
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; CHECK-NEXT: [[RESULT:%.*]] = select i1 [[CMP]], i32 [[DIRT]], i32 100, !dbg !20
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[RESULT]], metadata !14, metadata !DIExpression()), !dbg !17
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; CHECK-NEXT: ret i32 [[RESULT]], !dbg !21
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; CHECK: !12 = !DILocalVariable(name: "getdirt"
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; CHECK: !13 = !DILocalVariable(name: "dirt"
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; CHECK: !14 = !DILocalVariable(name: "result"
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;
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entry:
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call void @llvm.dbg.value(metadata i32 %getdirt, metadata !12, metadata !DIExpression()), !dbg !15
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call void @llvm.dbg.value(metadata i32 %dirt, metadata !13, metadata !DIExpression()), !dbg !16
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call void @llvm.dbg.value(metadata i32 100, metadata !14, metadata !DIExpression()), !dbg !17
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%cmp = icmp ne i32 %getdirt, 0, !dbg !18
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br i1 %cmp, label %if.then, label %if.end, !dbg !20
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if.then: ; preds = %entry
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call void @llvm.dbg.value(metadata i32 %dirt, metadata !14, metadata !DIExpression()), !dbg !17
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br label %if.end, !dbg !21
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if.end: ; preds = %if.then, %entry
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%result.0 = phi i32 [ %dirt, %if.then ], [ 100, %entry ]
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call void @llvm.dbg.value(metadata i32 %result.0, metadata !14, metadata !DIExpression()), !dbg !17
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ret i32 %result.0, !dbg !22
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind uwtable }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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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: "speculate-dbgvalue.c", directory: "/foo")
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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 4}
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!6 = !{!"clang version 6.0.0"}
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!7 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
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!8 = !DISubroutineType(types: !9)
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!9 = !{!10, !10, !10}
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!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!11 = !{!12, !13, !14}
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!12 = !DILocalVariable(name: "getdirt", arg: 1, scope: !7, file: !1, line: 1, type: !10)
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!13 = !DILocalVariable(name: "dirt", arg: 2, scope: !7, file: !1, line: 1, type: !10)
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!14 = !DILocalVariable(name: "result", scope: !7, file: !1, line: 2, type: !10)
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!15 = !DILocation(line: 1, column: 15, scope: !7)
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!16 = !DILocation(line: 1, column: 28, scope: !7)
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!17 = !DILocation(line: 2, column: 7, scope: !7)
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!18 = !DILocation(line: 3, column: 15, scope: !19)
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!19 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 7)
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!20 = !DILocation(line: 3, column: 7, scope: !7)
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!21 = !DILocation(line: 4, column: 5, scope: !19)
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!22 = !DILocation(line: 5, column: 3, scope: !7)
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