diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2021-02-16 20:39:22 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-02-16 20:39:22 +0000 |
| commit | 9f93bc8bfd2690abd12a830e42a1c26038173ae5 (patch) | |
| tree | 397432940f35d42b709d99d1d23523e7a24296c4 /llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | |
| parent | b60736ec1405bb0a8dd40989f67ef4c93da068ab (diff) | |
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/LoopVectorize.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/LoopVectorize.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp index ea0d7673edf6..47635dbdda02 100644 --- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -5504,11 +5504,9 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) { return None; } - ElementCount MaxVF = computeFeasibleMaxVF(TC, UserVF); - switch (ScalarEpilogueStatus) { case CM_ScalarEpilogueAllowed: - return MaxVF; + return computeFeasibleMaxVF(TC, UserVF); case CM_ScalarEpilogueNotAllowedUsePredicate: LLVM_FALLTHROUGH; case CM_ScalarEpilogueNotNeededUsePredicate: @@ -5546,7 +5544,7 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) { LLVM_DEBUG(dbgs() << "LV: Cannot fold tail by masking: vectorize with a " "scalar epilogue instead.\n"); ScalarEpilogueStatus = CM_ScalarEpilogueAllowed; - return MaxVF; + return computeFeasibleMaxVF(TC, UserVF); } return None; } @@ -5563,6 +5561,7 @@ LoopVectorizationCostModel::computeMaxVF(ElementCount UserVF, unsigned UserIC) { InterleaveInfo.invalidateGroupsRequiringScalarEpilogue(); } + ElementCount MaxVF = computeFeasibleMaxVF(TC, UserVF); assert(!MaxVF.isScalable() && "Scalable vectors do not yet support tail folding"); assert((UserVF.isNonZero() || isPowerOf2_32(MaxVF.getFixedValue())) && |