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TheRock/compiler/amd-llvm/llvm/test/Transforms/SimplifyCFG/1elt-ptr-vec-alignment-crash.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

26 lines
962 B
LLVM

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