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When merging stack slots, if StackColoring::remapInstructions gets a value back from GetUnderlyingObject that it does not know about or is not itself a stack slot, clear the memory operand in case it aliases the merged slot. This prevents the introduction of incorrect aliasing information. Author: Matthew Curtis <mcurtis@codeaurora.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166216 91177308-0d34-0410-b5e6-96231b3b80d8 |
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