File: preserve-memoryssa.ll

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llvm-toolchain-19 1%3A19.1.7-3~deb12u1
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; RUN: opt -S -passes=licm,indvars -verify-memoryssa < %s | FileCheck %s
; REQUIRES: asserts
@v_69 = external constant { i16, i16 }, align 1

; CHECK-LABEL: @f()
define void @f() {
entry:
  br label %for.cond26

for.cond26:                                       ; preds = %for.body28, %entry
  br i1 true, label %for.body28, label %for.cond.cleanup27

for.cond.cleanup27:                               ; preds = %for.cond26
  unreachable

for.body28:                                       ; preds = %for.cond26
  %v_69.imag = load volatile i16, ptr getelementptr inbounds ({ i16, i16 }, ptr @v_69, i32 0, i32 1), align 1
  %.real42 = load i32, ptr undef, align 1
  store i32 %.real42, ptr undef, align 1
  br label %for.cond26
}