diff options
| -rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index 4f6ab06..46a63c2 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -4390,7 +4390,7 @@ unsigned LoopVectorizationCostModel::expectedCost(unsigned VF) { continue; unsigned C = getInstructionCost(it, VF); - Cost += C; + BlockCost += C; DEBUG(dbgs() << "LV: Found an estimated cost of "<< C <<" for VF " << VF << " For instruction: "<< *it << "\n"); } @@ -4398,7 +4398,7 @@ unsigned LoopVectorizationCostModel::expectedCost(unsigned VF) { // We assume that if-converted blocks have a 50% chance of being executed. // When the code is scalar then some of the blocks are avoided due to CF. // When the code is vectorized we execute all code paths. - if (Legal->blockNeedsPredication(*bb) && VF == 1) + if (VF == 1 && Legal->blockNeedsPredication(*bb)) BlockCost /= 2; Cost += BlockCost; |