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Allow controlling vectorization of boolean values separately from other integer types.

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These are used as the result of comparisons, and often handled differently from larger integer types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159111 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2012-06-24 13:28:01 +00:00
parent edb5842b7c
commit 768edf3cd0
3 changed files with 20 additions and 4 deletions
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18
lib/Transforms/Vectorize/BBVectorize.cpp
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@@ -76,6 +76,10 @@ MaxCandPairsForCycleCheck("bb-vectorize-max-cycle-check-pairs", cl::init(200),
cl::Hidden, cl::desc("The maximum number of candidate pairs with which to use"
" a full cycle check"));
static cl::opt<bool>
NoBools("bb-vectorize-no-bools", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize boolean (i1) values"));
static cl::opt<bool>
NoInts("bb-vectorize-no-ints", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize integer values"));
@@ -614,10 +618,15 @@ namespace {
!(VectorType::isValidElementType(T2) || T2->isVectorTy()))
return false;
if (!Config.VectorizeInts
&& (T1->isIntOrIntVectorTy() || T2->isIntOrIntVectorTy()))
return false;
if (T1->getScalarSizeInBits() == 1 && T2->getScalarSizeInBits() == 1) {
if (!Config.VectorizeBools)
return false;
} else {
if (!Config.VectorizeInts
&& (T1->isIntOrIntVectorTy() || T2->isIntOrIntVectorTy()))
return false;
}
if (!Config.VectorizeFloats
&& (T1->isFPOrFPVectorTy() || T2->isFPOrFPVectorTy()))
return false;
@@ -1990,6 +1999,7 @@ llvm::vectorizeBasicBlock(Pass *P, BasicBlock &BB, const VectorizeConfig &C) {
//===----------------------------------------------------------------------===//
VectorizeConfig::VectorizeConfig() {
VectorBits = ::VectorBits;
VectorizeBools = !::NoBools;
VectorizeInts = !::NoInts;
VectorizeFloats = !::NoFloats;
VectorizePointers = !::NoPointers;