[PATCH] D76127: [TableGen] Do not set ReadOnly attribute on intrinsics with side effects
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Nov 29 19:40:22 PST 2020
craig.topper added a comment.
In D76127#2421901 <https://reviews.llvm.org/D76127#2421901>, @TOCK wrote:
> +1. It looks like a workaround at the moment.
> I'm not aware of any in-tree intrinsic affected. The affected one I found is generated by some testing tool.
Probably no in-tree intrinsic is affected because the current code causes SelectionDAGBuilder to generate broken code. I believe this is the FIXME on int_x86_sse_ldmxcsr in llvm/include/IR/IntrinsicsX86.td
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