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| author | Nadav Rotem <nrotem@apple.com> | 2012-11-05 21:11:10 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-11-05 21:11:10 +0000 |
| commit | 020be9dc29070407c483e15f65aa2e8624a2beec (patch) | |
| tree | 35609c132a59808c1889738b3ee1a6fedd4c9013 /llvm/lib/Target/TargetTransformImpl.cpp | |
| parent | a714efc1bd14b37db33677844572ebb40ab3ace2 (diff) | |
| download | llvm-020be9dc29070407c483e15f65aa2e8624a2beec.zip llvm-020be9dc29070407c483e15f65aa2e8624a2beec.tar.gz llvm-020be9dc29070407c483e15f65aa2e8624a2beec.tar.bz2 | |
Cost Model: teach the cost model about expanding integers.
llvm-svn: 167401
Diffstat (limited to 'llvm/lib/Target/TargetTransformImpl.cpp')
| -rw-r--r-- | llvm/lib/Target/TargetTransformImpl.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/TargetTransformImpl.cpp b/llvm/lib/Target/TargetTransformImpl.cpp index a9f02ed..4b427a2 100644 --- a/llvm/lib/Target/TargetTransformImpl.cpp +++ b/llvm/lib/Target/TargetTransformImpl.cpp @@ -143,7 +143,8 @@ VectorTargetTransformImpl::getTypeLegalizationCost(LLVMContext &C, if (LK.first == TargetLowering::TypeLegal) return std::make_pair(Cost, Ty.getSimpleVT()); - if (LK.first == TargetLowering::TypeSplitVector) + if (LK.first == TargetLowering::TypeSplitVector || + LK.first == TargetLowering::TypeExpandInteger) Cost *= 2; // Keep legalizing the type. @@ -300,7 +301,7 @@ unsigned VectorTargetTransformImpl::getCmpSelInstrCost(unsigned Opcode, unsigned Cost = getCmpSelInstrCost(Opcode, ValTy->getScalarType(), CondTy); - // return the cost of multiple scalar invocation plus the cost of inserting + // Return the cost of multiple scalar invocation plus the cost of inserting // and extracting the values. return getScalarizationOverhead(ValTy, true, false) + Num * Cost; } |