; 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() { entry: br label %for.cond120 for.cond120: ; preds = %for.body127, %entry call void @foo() br i1 undef, label %for.body127, label %for.cond.cleanup126 for.cond.cleanup126: ; preds = %for.cond120 unreachable for.body127: ; preds = %for.cond120 %0 = load i16**, i16*** undef, align 1 br label %for.cond120 } declare void @foo() readnone