1 ; RUN: opt -passes=simplifycfg -S < %s | FileCheck %s
3 ; Ensure that we do not crash when trying to evaluate alignment of a <1 x ???*>.
5 %struct.ap = type { i8 }
6 %"struct.z::ai" = type { i32 }
8 @x = external dso_local local_unnamed_addr global i32, align 4
10 define 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
15 land.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
22 if.end: ; preds = %land.rhs, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit
23 %b.0 = phi i32 [ %spec.select, %land.rhs ], [ 0, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit ]