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The PowerPC backend had a number of loads that were marked as canFoldAsLoad (and I'm partially at fault here for copying around the relevant line of TableGen definitions without really looking at what it meant). This is not right; PPC (non-memory) instructions don't support direct memory operands, and so there is nothing a 'foldable' instruction could be folded into. Noticed by inspection, no test case. The one thing we might lose by doing this is ability to fold some loads into stackmap/patchpoint pseudo-instructions. However, this was untested, and would not obviously have worked for extending loads, and I'd rather re-add support for that once it can be tested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231982 91177308-0d34-0410-b5e6-96231b3b80d8
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