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6d2fdcfb8a
value is a physreg and one is a virtreg. For this reason, disable copy folding entirely for physregs. Also, use the new isMoveInstr target hook which gives us folding of FP moves as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11700 91177308-0d34-0410-b5e6-96231b3b80d8