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; RUN: opt -passes='print<memoryssa>' -disable-output %s 2>&1 | FileCheck %s
; Note: if @foo is modelled as a MemoryDef, this test will assert with -loop-rotate, due to MemorySSA not
; being preserved when moving instructions that may not read from or write to memory.
; CHECK-LABEL: @main
; CHECK-NOT: MemoryDef
define void @main(i1 %arg) {
entry:
br label %for.cond120
for.cond120: ; preds = %for.body127, %entry
call void @foo(i1 %arg)
br i1 %arg, label %for.body127, label %for.cond.cleanup126
for.cond.cleanup126: ; preds = %for.cond120
unreachable
for.body127: ; preds = %for.cond120
%0 = load ptr, ptr undef, align 1
br label %for.cond120
}
declare void @foo() readnone
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