; RUN: llc < %s -mtriple=armv4t--linux-androideabi -stop-after=if-converter | 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 { ptr } %classM2 = type { %classL } define zeroext i1 @test(ptr %this, ptr nocapture readnone %p0, ptr nocapture readnone %p1, ptr 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.5(0x00000000) for.body: br i1 undef, label %for.cond.backedge, label %lor.lhs.false.i, !prof !1 for.cond.backedge: %tobool = icmp eq ptr %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 ptr null, ptr undef, align 4 br label %_ZN1M6spliceEv.exit if.else.i.i: store ptr null, ptr null, align 4 br label %_ZN1M6spliceEv.exit _ZN1M6spliceEv.exit: %LIS = getelementptr inbounds %classK, ptr %this, i32 0, i32 1 call void @_ZN1F10handleMoveEb(ptr %LIS, i1 zeroext false) unreachable } declare ptr @_ZN1M1JI1LS1_EcvPS1_Ev(ptr) declare void @_ZN1F10handleMoveEb(ptr, i1 zeroext) declare void @_Z3fn1v() !0 = !{!"clang version 3.5"} !1 = !{!"branch_weights", i32 62, i32 62}