[PATCH] D148127: [AMDGPU] Don't transform illegal intrinsics to V_ILLEGAL

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D148127#4273407 <https://reviews.llvm.org/D148127#4273407>, @Pierre-vh wrote:

> If I understand correctly, the instruction exists pre-GFX10 but isn't documented?

I think "the instruction exists" is a meaningless concept when you're talking about an illegal instruction. The *only* reason for mapping v_illegal to a particular opcode is if it is documented as such.


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  https://reviews.llvm.org/D148127/new/

https://reviews.llvm.org/D148127