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a99283db0a
As discussed in D86843, -earlycse-debug-hash should be used in more regression tests to catch inconsistency between the hashing and the equivalence check. Differential Revision: https://reviews.llvm.org/D86863
65 lines
2.7 KiB
LLVM
65 lines
2.7 KiB
LLVM
; RUN: opt -early-cse -earlycse-debug-hash -S %s -o - | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: nounwind uwtable
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define i32 @foo() !dbg !6 {
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entry:
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%0 = call i64 @llvm.ctpop.i64(i64 0), !dbg !14
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%1 = inttoptr i64 %0 to i32*, !dbg !14
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call void @llvm.dbg.value(metadata i32* %1, i64 0, metadata !11, metadata !13), !dbg !14
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; CHECK: call void @llvm.dbg.value(metadata i64 0, metadata !11, metadata !DIExpression()), !dbg !13
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%call = call i32* (...) @baa(), !dbg !15
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%2 = ptrtoint i32* %call to i64, !dbg !16
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%3 = inttoptr i64 %2 to i32*, !dbg !16
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call void @llvm.dbg.value(metadata i32* %3, i64 0, metadata !11, metadata !13), !dbg !14
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%tobool = icmp ne i32* %3, null, !dbg !17
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br i1 %tobool, label %if.end, label %if.then, !dbg !19
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if.then: ; preds = %entry
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br label %cleanup, !dbg !20
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if.end: ; preds = %entry
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%4 = ptrtoint i32* %3 to i32, !dbg !21
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br label %cleanup, !dbg !22
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cleanup: ; preds = %if.end, %if.then
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%retval.0 = phi i32 [ %4, %if.end ], [ 0, %if.then ]
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ret i32 %retval.0, !dbg !22
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}
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declare i32* @baa(...)
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; Function Attrs: nounwind readnone
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declare i64 @llvm.ctpop.i64(i64)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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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: "test.c", directory: "/dir")
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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 = !{!"clang version 6.0.0"}
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!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !10)
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9}
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{!11}
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!11 = !DILocalVariable(name: "ptr", scope: !6, file: !1, line: 4, type: !12)
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!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
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!13 = !DIExpression()
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!14 = !DILocation(line: 4, column: 8, scope: !6)
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!15 = !DILocation(line: 5, column: 9, scope: !6)
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!16 = !DILocation(line: 5, column: 7, scope: !6)
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!17 = !DILocation(line: 7, column: 7, scope: !18)
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!18 = distinct !DILexicalBlock(scope: !6, file: !1, line: 7, column: 6)
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!19 = !DILocation(line: 7, column: 6, scope: !6)
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!20 = !DILocation(line: 8, column: 5, scope: !18)
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!21 = !DILocation(line: 10, column: 10, scope: !6)
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!22 = !DILocation(line: 11, column: 1, scope: !6)
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