1; RUN: opt -passes=simplifycfg -S < %s | FileCheck %s 2 3; Ensure that we do not crash when trying to evaluate alignment of a <1 x ???*>. 4 5%struct.ap = type { i8 } 6%"struct.z::ai" = type { i32 } 7 8@x = external dso_local local_unnamed_addr global i32, align 4 9 10define dso_local void @_ZN2ap2aqEv(ptr %this, i1 %c, i32 %v2) { 11; CHECK-LABEL: @_ZN2ap2aqEv( 12_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit: 13 br i1 %c, label %if.end, label %land.rhs 14 15land.rhs: ; preds = %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit 16 %0 = bitcast <1 x ptr> zeroinitializer to ptr 17 %retval.sroa.0.0.copyload.i = load i32, ptr %0, align 4 18 %tobool5 = icmp eq i32 %retval.sroa.0.0.copyload.i, 0 19 %spec.select = select i1 %tobool5, i32 %v2, i32 0 20 br label %if.end 21 22if.end: ; preds = %land.rhs, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit 23 %b.0 = phi i32 [ %spec.select, %land.rhs ], [ 0, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit ] 24 ret void 25} 26