2021-07-08 20:24:03 +08:00
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; RUN: opt -passes=simplifycfg -S < %s | FileCheck %s
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2020-06-27 22:14:15 +08:00
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; Ensure that we do not crash when trying to evaluate alignment of a <1 x ???*>.
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%struct.ap = type { i8 }
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%"struct.z::ai" = type { i32 }
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@x = external dso_local local_unnamed_addr global i32, align 4
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define dso_local void @_ZN2ap2aqEv(%struct.ap* %this, i1 %c, i32 %v2) {
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; CHECK-LABEL: @_ZN2ap2aqEv(
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_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit:
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br i1 %c, label %if.end, label %land.rhs
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land.rhs: ; preds = %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit
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%0 = bitcast <1 x %"struct.z::ai"*> zeroinitializer to %"struct.z::ai"*
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%retval.sroa.0.0..sroa_idx.i = getelementptr inbounds %"struct.z::ai", %"struct.z::ai"* %0, i64 0, i32 0
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%retval.sroa.0.0.copyload.i = load i32, i32* %retval.sroa.0.0..sroa_idx.i, align 4
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%tobool5 = icmp eq i32 %retval.sroa.0.0.copyload.i, 0
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%spec.select = select i1 %tobool5, i32 %v2, i32 0
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br label %if.end
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if.end: ; preds = %land.rhs, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit
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%b.0 = phi i32 [ %spec.select, %land.rhs ], [ 0, %_ZN1yIN1z2aiE2aaIS1_EE2ahEv.exit ]
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ret void
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}
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