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ee5625b3c1
Fix a bug triggered in IfConverterTriangle when CvtBB has multiple predecessors by getting the weights before removing a successor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200958 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.9 KiB
LLVM
63 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=armv4t--linux-androideabi -print-machineinstrs=if-converter -o /dev/null 2>&1 | FileCheck %s
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; Fix a bug triggered in IfConverterTriangle when CvtBB has multiple
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; predecessors.
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; PR18752
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%classK = type { i8, %classF }
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%classF = type { i8 }
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%classL = type { %classG, i32, i32 }
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%classG = type { %classL* }
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%classM2 = type { %classL }
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define zeroext i1 @test(%classK* %this, %classM2* nocapture readnone %p1, %classM2* nocapture readnone %p2) align 2 {
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entry:
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br i1 undef, label %for.end, label %for.body
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; Before if conversion, we have
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; for.body -> lor.lhs.false.i (62)
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; -> for.cond.backedge (62)
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; lor.lhs.false.i -> for.cond.backedge (1048575)
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; -> cond.false.i (1)
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; Afer if conversion, we have
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; for.body -> for.cond.backedge (130023362)
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; -> cond.false.i (62)
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; CHECK: BB#1: derived from LLVM BB %for.body
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; CHECK: Successors according to CFG: BB#2(130023362) BB#4(62)
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for.body:
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br i1 undef, label %for.cond.backedge, label %lor.lhs.false.i
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for.cond.backedge:
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%tobool = icmp eq %classL* undef, null
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br i1 %tobool, label %for.end, label %for.body
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lor.lhs.false.i:
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%tobool.i.i7 = icmp eq i32 undef, 0
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br i1 %tobool.i.i7, label %for.cond.backedge, label %cond.false.i
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cond.false.i:
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call void @_Z3fn1v()
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unreachable
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for.end:
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br i1 undef, label %if.else.i.i, label %if.then.i.i
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if.then.i.i:
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store %classL* null, %classL** undef, align 4
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br label %_ZN1M6spliceEv.exit
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if.else.i.i:
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store %classL* null, %classL** null, align 4
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br label %_ZN1M6spliceEv.exit
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_ZN1M6spliceEv.exit:
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%LIS = getelementptr inbounds %classK* %this, i32 0, i32 1
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call void @_ZN1F10handleMoveEb(%classF* %LIS, i1 zeroext false)
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unreachable
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}
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declare %classL* @_ZN1M1JI1LS1_EcvPS1_Ev(%classM2*)
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declare void @_ZN1F10handleMoveEb(%classF*, i1 zeroext)
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declare void @_Z3fn1v()
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!0 = metadata !{metadata !"clang version 3.5"}
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