[PATCH] D99549: [LoopVectorize] Use SetVector to track uniform uses to prevent non-determinism.
Huihui Zhang via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 30 10:09:16 PDT 2021
huihuiz updated this revision to Diff 334211.
huihuiz retitled this revision from "[LoopVectorize] Use SmallVector to track uniform uses to prevent non-determinism." to "[LoopVectorize] Use SetVector to track uniform uses to prevent non-determinism.".
huihuiz edited the summary of this revision.
huihuiz added a reviewer: fhahn.
huihuiz added a comment.
Update diff to use SetVector.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99549/new/
https://reviews.llvm.org/D99549
Files:
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
Index: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
===================================================================
--- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -5387,7 +5387,7 @@
// here is something which only demands lane 0 of the unrolled iterations;
// it does not imply that all lanes produce the same value (e.g. this is not
// the usual meaning of uniform)
- SmallPtrSet<Value *, 8> HasUniformUse;
+ SetVector<Value *> HasUniformUse;
// Scan the loop for instructions which are either a) known to have only
// lane 0 demanded or b) are uses which demand only lane 0 of their operand.
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