6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-13 04:38:24 +00:00
Code Issues Projects Releases Wiki Activity

Enhance BBVectorize to more-properly handle pointer values and vectorize GEPs.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154734 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2012-04-14 07:32:43 +00:00
parent 0070792012
commit f3f5a1e6f7
3 changed files with 114 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
lib/Transforms/Vectorize/BBVectorize.cpp
View File

@ -83,6 +83,10 @@ static cl::opt<bool>
NoFloats("bb-vectorize-no-floats", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize floating-point values"));
static cl::opt<bool>
NoPointers("bb-vectorize-no-pointers", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize pointer values"));
static cl::opt<bool>
NoCasts("bb-vectorize-no-casts", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize casting (conversion) operations"));
@ -99,6 +103,10 @@ 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>
NoGEP("bb-vectorize-no-gep", cl::init(false), cl::Hidden,
cl::desc("Don't try to vectorize getelementptr 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"));
@ -550,15 +558,22 @@ namespace {
return false;
Type *SrcTy = C->getSrcTy();
if (!SrcTy->isSingleValueType() || SrcTy->isPointerTy())
if (!SrcTy->isSingleValueType())
return false;
Type *DestTy = C->getDestTy();
if (!DestTy->isSingleValueType() || DestTy->isPointerTy())
if (!DestTy->isSingleValueType())
return false;
} else if (isa<SelectInst>(I)) {
if (!Config.VectorizeSelect)
return false;
} else if (GetElementPtrInst *G = dyn_cast<GetElementPtrInst>(I)) {
if (!Config.VectorizeGEP)
return false;
// Currently, vector GEPs exist only with one index.
if (G->getNumIndices() != 1)
return false;
} else if (!(I->isBinaryOp() || isa<ShuffleVectorInst>(I) ||
isa<ExtractElementInst>(I) || isa<InsertElementInst>(I))) {
return false;
@ -597,6 +612,14 @@ namespace {
&& (T1->isFPOrFPVectorTy() || T2->isFPOrFPVectorTy()))
return false;
if ((!Config.VectorizePointers || TD == 0)
&& ((T1->isPointerTy() ||
(T1->isVectorTy() && T1->getScalarType()->isPointerTy())) ||
(T2->isPointerTy() ||
(T2->isVectorTy() && T2->getScalarType()->isPointerTy()))
))
return false;
if (T1->getPrimitiveSizeInBits() > Config.VectorBits/2 ||
T2->getPrimitiveSizeInBits() > Config.VectorBits/2)
return false;
@ -1898,10 +1921,12 @@ VectorizeConfig::VectorizeConfig() {
VectorBits = ::VectorBits;
VectorizeInts = !::NoInts;
VectorizeFloats = !::NoFloats;
VectorizePointers = !::NoPointers;
VectorizeCasts = !::NoCasts;
VectorizeMath = !::NoMath;
VectorizeFMA = !::NoFMA;
VectorizeSelect = !::NoSelect;
VectorizeGEP = !::NoGEP;
VectorizeMemOps = !::NoMemOps;
AlignedOnly = ::AlignedOnly;
ReqChainDepth= ::ReqChainDepth;