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Use VTTI->getNumberOfParts in BBVectorize.

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This change reflects VTTI refactoring; no functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2012-10-26 04:28:06 +00:00
parent 102a7c088c
commit dc330f75b7
1 changed files with 12 additions and 11 deletions
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23
lib/Transforms/Vectorize/BBVectorize.cpp
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@ -819,12 +819,13 @@ namespace {
if (VCost > ICost + JCost)
return false;
// FIXME: We don't want to fuse to a type that will be split, even
// We don't want to fuse to a type that will be split, even
// if the two input types will also be split and there is no other
// associated cost. This check depends on the fact
// that the current implementation of getMemoryOpCost returns only
// the type-splitting cost.
if (VCost > 1)
// associated cost.
unsigned VParts = VTTI->getNumberOfParts(VType);
if (VParts > 1)
return false;
else if (!VParts && VCost == ICost + JCost)
return false;
CostSavings = ICost + JCost - VCost;
@ -842,13 +843,13 @@ namespace {
if (VCost > ICost + JCost)
return false;
// FIXME: We don't want to fuse to a type that will be split, even
// We don't want to fuse to a type that will be split, even
// if the two input types will also be split and there is no other
// associated cost. This check depends on the fact
// that the current implementation of getMemoryOpCost returns only
// the type-splitting cost (and does nothing else).
unsigned VTypeCost = VTTI->getMemoryOpCost(I->getOpcode(), VT1, 0, 0);
if (VTypeCost > 1)
// associated cost.
unsigned VParts = VTTI->getNumberOfParts(VT1);
if (VParts > 1)
return false;
else if (!VParts && VCost == ICost + JCost)
return false;
CostSavings = ICost + JCost - VCost;