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https://github.com/RPCS3/llvm-mirror.git
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dc5d7f0cc6
This wasn't covering for the case where you have multiple latches and hence the use of the same loop-id which needs to be mapped to the same loop-id. llvm-svn: 299237
125 lines
4.2 KiB
LLVM
125 lines
4.2 KiB
LLVM
; RUN: opt -S -strip-debug < %s | FileCheck %s
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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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; CHECK-LABEL: _Z5test1v
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; CHECK-NOT: br {{.*}} !llvm.loop
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define void @_Z5test1v() !dbg !7 {
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entry:
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br label %while.body, !dbg !9
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while.body:
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call void @_Z3barv(), !dbg !10
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br label %while.body, !dbg !11, !llvm.loop !13
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return:
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ret void, !dbg !14
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}
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declare void @_Z3barv()
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declare i1 @_Z3bazv()
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; CHECK-LABEL: _Z5test2v
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; CHECK: br {{.*}} !llvm.loop [[LOOP:![0-9]+]]
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define void @_Z5test2v() !dbg !15 {
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entry:
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br label %while.body, !dbg !16
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while.body:
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call void @_Z3barv(), !dbg !17
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br label %while.body, !dbg !18, !llvm.loop !19
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return:
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ret void, !dbg !21
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}
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; CHECK-LABEL: _Z5test3v
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define void @_Z5test3v() !dbg !22 {
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entry:
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br label %while.body, !dbg !23
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while.body:
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%c = call i1 @_Z3bazv()
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br i1 %c, label %if, label %then
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if:
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call void @_Z3barv(), !dbg !24
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; CHECK: br {{.*}} !llvm.loop [[LOOP2:![0-9]+]]
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br label %while.body, !dbg !25, !llvm.loop !26
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then:
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; CHECK: br {{.*}} !llvm.loop [[LOOP2]]
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br label %while.body, !dbg !25, !llvm.loop !26
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return:
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ret void, !dbg !28
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}
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; CHECK-LABEL: _Z5test4v
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; CHECK-NOT: br {{.*}} !llvm.loop
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define void @_Z5test4v() !dbg !30 {
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entry:
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br label %while.body, !dbg !31
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while.body:
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call void @_Z3barv(), !dbg !32
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br label %while.body, !dbg !33, !llvm.loop !34
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return:
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ret void, !dbg !36
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}
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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_C_plus_plus, file: !1, producer: "clang version 4.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
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!1 = !DIFile(filename: "test.cpp", directory: "/tmp")
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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, !"PIC Level", i32 2}
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!6 = !{!"clang version 4.0.0"}
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!7 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!8 = !DISubroutineType(types: !2)
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!9 = !DILocation(line: 4, column: 3, scope: !7)
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!10 = !DILocation(line: 5, column: 5, scope: !7)
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!11 = !DILocation(line: 4, column: 3, scope: !12)
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!12 = !DILexicalBlockFile(scope: !7, file: !1, discriminator: 1)
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!13 = distinct !{!13, !9}
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!14 = !DILocation(line: 6, column: 1, scope: !7)
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!15 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 8, type: !8, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!16 = !DILocation(line: 8, column: 14, scope: !15)
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!17 = !DILocation(line: 11, column: 5, scope: !15)
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!18 = !DILocation(line: 10, column: 3, scope: !15)
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!19 = distinct !{!19, !16, !20}
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!20 = !{!"llvm.loop.unroll.enable"}
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!21 = !DILocation(line: 12, column: 1, scope: !15)
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!22 = distinct !DISubprogram(name: "test3", scope: !1, file: !1, line: 8, type: !8, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!23 = !DILocation(line: 8, column: 14, scope: !22)
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!24 = !DILocation(line: 11, column: 5, scope: !22)
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!25 = !DILocation(line: 10, column: 3, scope: !22)
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!26 = distinct !{!26, !23, !29, !27}
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!27 = !{!"llvm.loop.unroll.enable"}
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!28 = !DILocation(line: 12, column: 1, scope: !22)
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!29 = !DILocation(line: 12, column: 1, scope: !22)
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!30 = distinct !DISubprogram(name: "test4", scope: !1, file: !1, line: 8, type: !8, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!31 = !DILocation(line: 8, column: 14, scope: !30)
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!32 = !DILocation(line: 11, column: 5, scope: !30)
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!33 = !DILocation(line: 10, column: 3, scope: !30)
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!34 = distinct !{!34, !31, !35}
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!35 = !DILocation(line: 12, column: 1, scope: !30)
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!36 = !DILocation(line: 12, column: 1, scope: !30)
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; CHECK-NOT: !DICompileUnit
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; CHECK-NOT: !DIFile
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; CHECK-NOT: !DISubprogram
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; CHECK-NOT: !DISubroutineType
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; CHECK-NOT: !DILocation
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; CHECK-NOT: !DILexicalBlockFile
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; CHECK: [[LOOP]] = distinct !{[[LOOP]], [[LOOP_UNROLL:![0-9]+]]}
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; CHECK-NEXT: [[LOOP_UNROLL]] = !{!"llvm.loop.unroll.enable"}
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; CHECK: [[LOOP2]] = distinct !{[[LOOP2]], [[LOOP_UNROLL]]}
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; CHECK-NOT: !DILocation
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