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; RUN: llc < %s -mtriple=armv4t--linux-androideabi -print-machineinstrs=if-converter -o /dev/null 2>&1 | FileCheck %s
; Fix a bug triggered in IfConverterTriangle when CvtBB has multiple
; predecessors.
; PR18752
%classK = type { i8, %classF }
%classF = type { i8 }
%classL = type { %classG, i32, i32 }
%classG = type { %classL* }
%classM2 = type { %classL }
define zeroext i1 @test(%classK* %this, %classL* nocapture readnone %p0, %classM2* nocapture readnone %p1, %classM2* nocapture readnone %p2, i32 %a0) align 2 {
entry:
br i1 undef, label %for.end, label %for.body
; Before if conversion, we have
; for.body -> lor.lhs.false.i (50%)
; -> for.cond.backedge (50%)
; lor.lhs.false.i -> for.cond.backedge (100%)
; -> cond.false.i (0%)
; Afer if conversion, we have
; for.body -> for.cond.backedge (100%)
; -> cond.false.i (0%)
; CHECK: bb.1.for.body:
; CHECK: successors: %bb.2(0x80000000), %bb.4(0x00000001)
for.body:
br i1 undef, label %for.cond.backedge, label %lor.lhs.false.i, !prof !1
for.cond.backedge:
%tobool = icmp eq %classL* %p0, null
br i1 %tobool, label %for.end, label %for.body
lor.lhs.false.i:
%tobool.i.i7 = icmp eq i32 %a0, 0
br i1 %tobool.i.i7, label %for.cond.backedge, label %cond.false.i
cond.false.i:
call void @_Z3fn1v()
unreachable
for.end:
%tobool.i.i9 = icmp eq i32 %a0, 32
br i1 %tobool.i.i9, label %if.else.i.i, label %if.then.i.i
if.then.i.i:
store %classL* null, %classL** undef, align 4
br label %_ZN1M6spliceEv.exit
if.else.i.i:
store %classL* null, %classL** null, align 4
br label %_ZN1M6spliceEv.exit
_ZN1M6spliceEv.exit:
%LIS = getelementptr inbounds %classK, %classK* %this, i32 0, i32 1
call void @_ZN1F10handleMoveEb(%classF* %LIS, i1 zeroext false)
unreachable
}
declare %classL* @_ZN1M1JI1LS1_EcvPS1_Ev(%classM2*)
declare void @_ZN1F10handleMoveEb(%classF*, i1 zeroext)
declare void @_Z3fn1v()
!0 = !{!"clang version 3.5"}
!1 = !{!"branch_weights", i32 62, i32 62}
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