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Add support to BBVectorize for vectorizing selects.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154700 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2012-04-13 20:45:45 +00:00
parent 8800cada20
commit fc3665c875
3 changed files with 41 additions and 0 deletions
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8
lib/Transforms/Vectorize/BBVectorize.cpp
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@@ -95,6 +95,10 @@ static cl::opt<bool>
NoFMA("bb-vectorize-no-fma", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize the fused-multiply-add intrinsic"));
static cl::opt<bool>
NoSelect("bb-vectorize-no-select", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize select instructions"));
static cl::opt<bool>
NoMemOps("bb-vectorize-no-mem-ops", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize loads and stores"));
@@ -552,6 +556,9 @@ namespace {
Type *DestTy = C->getDestTy();
if (!DestTy->isSingleValueType() || DestTy->isPointerTy())
return false;
} else if (isa<SelectInst>(I)) {
if (!Config.VectorizeSelect)
return false;
} else if (!(I->isBinaryOp() || isa<ShuffleVectorInst>(I) ||
isa<ExtractElementInst>(I) || isa<InsertElementInst>(I))) {
return false;
@@ -1894,6 +1901,7 @@ VectorizeConfig::VectorizeConfig() {
VectorizeCasts = !::NoCasts;
VectorizeMath = !::NoMath;
VectorizeFMA = !::NoFMA;
VectorizeSelect = !::NoSelect;
VectorizeMemOps = !::NoMemOps;
AlignedOnly = ::AlignedOnly;
ReqChainDepth= ::ReqChainDepth;