[all-commits] [llvm/llvm-project] 4efa09: [LV] Allow tryToCreateWidenRecipe to return a VPVa...
Florian Hahn via All-commits
all-commits at lists.llvm.org
Tue Feb 23 08:54:50 PST 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 4efa097eb4c87d7ffe09a95a5b4ff372bdddda85
https://github.com/llvm/llvm-project/commit/4efa097eb4c87d7ffe09a95a5b4ff372bdddda85
Author: Florian Hahn <flo at fhahn.com>
Date: 2021-02-23 (Tue, 23 Feb 2021)
Changed paths:
M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
M llvm/lib/Transforms/Vectorize/VPRecipeBuilder.h
M llvm/test/Transforms/LoopVectorize/single-value-blend-phis.ll
Log Message:
-----------
[LV] Allow tryToCreateWidenRecipe to return a VPValue, use for blends.
Generalize the return value of tryToCreateWidenRecipe to return either a
newly create recipe or an existing VPValue. Use this to avoid creating
unnecessary VPBlendRecipes.
Fixes PR44800.
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