Mirko Brkusanin a6a72dfdf2 [AMDGPU][GlobalISel] Avoid selecting S_PACK with constants ...

If constants are hidden behind G_ANYEXT we can treat them same way as G_SEXT.
For that purpose we extend getConstantVRegValWithLookThrough with option
to handle G_ANYEXT same way as G_SEXT.

Differential Revision: https://reviews.llvm.org/D92219

2021-01-20 11:54:53 +01:00

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