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1ff61385c8
exit edge to preserve LCSSA. Fix dominance frontier update during loop unswitch. This fixes PR 1589, again git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40737 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
2.9 KiB
LLVM
56 lines
2.9 KiB
LLVM
; RUN: llvm-as < %s | opt -loop-unswitch -instcombine -disable-output
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%struct.ClassDef = type { %struct.QByteArray, %struct.QByteArray, %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", i8, i8, %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", %"struct.QList<ArgumentDef>", %"struct.QMap<QByteArray,QByteArray>", %"struct.QList<ArgumentDef>", %"struct.QMap<QByteArray,QByteArray>", i32, i32 }
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%struct.FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct.FILE*, i32, i32, i32, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i32, i32, [40 x i8] }
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%struct.Generator = type { %struct.FILE*, %struct.ClassDef*, %"struct.QList<ArgumentDef>", %struct.QByteArray, %"struct.QList<ArgumentDef>" }
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%struct.QBasicAtomic = type { i32 }
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%struct.QByteArray = type { %"struct.QByteArray::Data"* }
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%"struct.QByteArray::Data" = type { %struct.QBasicAtomic, i32, i32, i8*, [1 x i8] }
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%"struct.QList<ArgumentDef>" = type { %"struct.QList<ArgumentDef>::._19" }
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%"struct.QList<ArgumentDef>::._19" = type { %struct.QListData }
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%struct.QListData = type { %"struct.QListData::Data"* }
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%"struct.QListData::Data" = type { %struct.QBasicAtomic, i32, i32, i32, i8, [1 x i8*] }
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%"struct.QMap<QByteArray,QByteArray>" = type { %"struct.QMap<QByteArray,QByteArray>::._56" }
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%"struct.QMap<QByteArray,QByteArray>::._56" = type { %struct.QMapData* }
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%struct.QMapData = type { %struct.QMapData*, [12 x %struct.QMapData*], %struct.QBasicAtomic, i32, i32, i32, i8 }
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%struct._IO_marker = type { %struct._IO_marker*, %struct.FILE*, i32 }
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@.str9 = external constant [1 x i8] ; <[1 x i8]*> [#uses=1]
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declare i32 @strcmp(i8*, i8*)
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define i32 @_ZN9Generator6strregEPKc(%struct.Generator* %this, i8* %s) {
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entry:
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%s_addr.0 = select i1 false, i8* getelementptr ([1 x i8]* @.str9, i32 0, i32 0), i8* %s ; <i8*> [#uses=2]
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%tmp122 = icmp eq i8* %s_addr.0, null ; <i1> [#uses=1]
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br label %bb184
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bb55: ; preds = %bb184
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ret i32 0
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bb88: ; preds = %bb184
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br i1 %tmp122, label %bb154, label %bb128
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bb128: ; preds = %bb88
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%tmp138 = call i32 @strcmp( i8* null, i8* %s_addr.0 ) ; <i32> [#uses=1]
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%iftmp.37.0.in4 = icmp eq i32 %tmp138, 0 ; <i1> [#uses=1]
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br i1 %iftmp.37.0.in4, label %bb250, label %bb166
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bb154: ; preds = %bb88
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br i1 false, label %bb250, label %bb166
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bb166: ; preds = %bb154, %bb128
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%tmp175 = add i32 %idx.0, 1 ; <i32> [#uses=1]
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%tmp177 = add i32 %tmp175, 0 ; <i32> [#uses=1]
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%tmp181 = add i32 %tmp177, 0 ; <i32> [#uses=1]
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%tmp183 = add i32 %i33.0, 1 ; <i32> [#uses=1]
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br label %bb184
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bb184: ; preds = %bb166, %entry
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%i33.0 = phi i32 [ 0, %entry ], [ %tmp183, %bb166 ] ; <i32> [#uses=2]
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%idx.0 = phi i32 [ 0, %entry ], [ %tmp181, %bb166 ] ; <i32> [#uses=2]
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%tmp49 = icmp slt i32 %i33.0, 0 ; <i1> [#uses=1]
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br i1 %tmp49, label %bb88, label %bb55
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bb250: ; preds = %bb154, %bb128
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ret i32 %idx.0
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}
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