1; RUN: llc -O2 -o - %s | FileCheck %s 2target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 3target triple = "thumbv7-unknown-linux-gnueabihf" 4 5; Function Attrs: argmemonly nounwind 6declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #0 7 8; Function Attrs: nounwind 9declare void @_ZNSaIcEC2Ev() unnamed_addr #0 align 2 10 11declare void @_ZNSsC1EPKcRKSaIcE() unnamed_addr #0 12 13; It isn't valid to If-Convert the following function, even though the calls 14; are in common. The calls clobber the predicate info. 15; CHECK: cbnz r{{[0-9]+}}, .LBB0_2 16; CHECK: %bb.1 17; CHECK: .LBB0_2 18; Function Attrs: nounwind 19define hidden void @_ZN4llvm14DOTGraphTraitsIPNS_13ScheduleDAGMIEE17getEdgeAttributesEPKNS_5SUnitENS_13SUnitIteratorEPKNS_11ScheduleDAGE() #0 align 2 { 20 br i1 undef, label %1, label %2 21 22; <label>:1: ; preds = %0 23 call void @_ZNSaIcEC2Ev() #0 24 call void @_ZNSsC1EPKcRKSaIcE() 25 br label %3 26 27; <label>:2: ; preds = %0 28 call void @llvm.lifetime.start.p0(i64 1, ptr undef) #0 29 call void @_ZNSaIcEC2Ev() #0 30 br label %3 31 32; <label>:3: ; preds = %2, %1 33 ret void 34} 35 36attributes #0 = { nounwind } 37