[PATCH] D34077: DAGCombine: Combine BUILD_VECTOR to TRUNCATE
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 12 21:06:56 PDT 2017
arsenm added inline comments.
================
Comment at: llvm/trunk/include/llvm/Target/TargetLowering.h:2737
+ // v4i32 truncate (bitcast V to v4i64)
+ virtual bool isDesirableToCombineBuildVectorToTruncate() const {
+ return false;
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This probably needs some context parameters for types it's applying to
Repository:
rL LLVM
https://reviews.llvm.org/D34077
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