Pierre van Houtryve 8a66510fa7 [AMDGPU] Don't create mulhi_24 in CGP (#72983) ...

Instead, create a mul24 with a 64 bit result and let ISel take care of
it.

This allows patterns to simply match mul24 even for 64-bit muls instead of having to match both mul/mulhi and a buildvector/bitconvert/etc.

2023-11-30 08:26:45 +01:00

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