Add mayLoad attribute to AVX convert instructions, since non of them
are declared with load patterns. This fix the crash in PR10941. No testcases,
since a fold is triggered and then converted back to the register form
afterwards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139953 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed