1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv4t--linux-androideabi -print-machineinstrs=if-converter -o /dev/null 2>&1 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Fix a bug triggered in IfConverterTriangle when CvtBB has multiple 3*9880d681SAndroid Build Coastguard Worker; predecessors. 4*9880d681SAndroid Build Coastguard Worker; PR18752 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker%classK = type { i8, %classF } 7*9880d681SAndroid Build Coastguard Worker%classF = type { i8 } 8*9880d681SAndroid Build Coastguard Worker%classL = type { %classG, i32, i32 } 9*9880d681SAndroid Build Coastguard Worker%classG = type { %classL* } 10*9880d681SAndroid Build Coastguard Worker%classM2 = type { %classL } 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine zeroext i1 @test(%classK* %this, %classM2* nocapture readnone %p1, %classM2* nocapture readnone %p2) align 2 { 13*9880d681SAndroid Build Coastguard Workerentry: 14*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.end, label %for.body 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; Before if conversion, we have 17*9880d681SAndroid Build Coastguard Worker; for.body -> lor.lhs.false.i (50%) 18*9880d681SAndroid Build Coastguard Worker; -> for.cond.backedge (50%) 19*9880d681SAndroid Build Coastguard Worker; lor.lhs.false.i -> for.cond.backedge (100%) 20*9880d681SAndroid Build Coastguard Worker; -> cond.false.i (0%) 21*9880d681SAndroid Build Coastguard Worker; Afer if conversion, we have 22*9880d681SAndroid Build Coastguard Worker; for.body -> for.cond.backedge (100%) 23*9880d681SAndroid Build Coastguard Worker; -> cond.false.i (0%) 24*9880d681SAndroid Build Coastguard Worker; CHECK: BB#1: derived from LLVM BB %for.body 25*9880d681SAndroid Build Coastguard Worker; CHECK: Successors according to CFG: BB#2(0x7ffffc00 / 0x80000000 = 100.00%) BB#4(0x00000400 / 0x80000000 = 0.00%) 26*9880d681SAndroid Build Coastguard Workerfor.body: 27*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.cond.backedge, label %lor.lhs.false.i, !prof !1 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerfor.cond.backedge: 30*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq %classL* undef, null 31*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %for.end, label %for.body 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerlor.lhs.false.i: 34*9880d681SAndroid Build Coastguard Worker %tobool.i.i7 = icmp eq i32 undef, 0 35*9880d681SAndroid Build Coastguard Worker br i1 %tobool.i.i7, label %for.cond.backedge, label %cond.false.i 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Workercond.false.i: 38*9880d681SAndroid Build Coastguard Worker call void @_Z3fn1v() 39*9880d681SAndroid Build Coastguard Worker unreachable 40*9880d681SAndroid Build Coastguard Worker 41*9880d681SAndroid Build Coastguard Workerfor.end: 42*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.else.i.i, label %if.then.i.i 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Workerif.then.i.i: 45*9880d681SAndroid Build Coastguard Worker store %classL* null, %classL** undef, align 4 46*9880d681SAndroid Build Coastguard Worker br label %_ZN1M6spliceEv.exit 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Workerif.else.i.i: 49*9880d681SAndroid Build Coastguard Worker store %classL* null, %classL** null, align 4 50*9880d681SAndroid Build Coastguard Worker br label %_ZN1M6spliceEv.exit 51*9880d681SAndroid Build Coastguard Worker 52*9880d681SAndroid Build Coastguard Worker_ZN1M6spliceEv.exit: 53*9880d681SAndroid Build Coastguard Worker %LIS = getelementptr inbounds %classK, %classK* %this, i32 0, i32 1 54*9880d681SAndroid Build Coastguard Worker call void @_ZN1F10handleMoveEb(%classF* %LIS, i1 zeroext false) 55*9880d681SAndroid Build Coastguard Worker unreachable 56*9880d681SAndroid Build Coastguard Worker} 57*9880d681SAndroid Build Coastguard Worker 58*9880d681SAndroid Build Coastguard Workerdeclare %classL* @_ZN1M1JI1LS1_EcvPS1_Ev(%classM2*) 59*9880d681SAndroid Build Coastguard Workerdeclare void @_ZN1F10handleMoveEb(%classF*, i1 zeroext) 60*9880d681SAndroid Build Coastguard Workerdeclare void @_Z3fn1v() 61*9880d681SAndroid Build Coastguard Worker 62*9880d681SAndroid Build Coastguard Worker!0 = !{!"clang version 3.5"} 63*9880d681SAndroid Build Coastguard Worker!1 = !{!"branch_weights", i32 62, i32 62} 64