[PATCH] D59227: [GlobalISel][Utils] Teach getConstantVRegVal how to look through trunc and z|sext

Matt Arsenault via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 11 12:30:58 PDT 2019


arsenm added a comment.

It seems slightly odd to me for this to look through this. Why wouldn’t the combiner fold casts of constants? Do any of these testcases hit the legalization loop problem you mentioned?


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  rL LLVM

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  https://reviews.llvm.org/D59227/new/

https://reviews.llvm.org/D59227





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