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[CodeGen] Use llvm::Type::getVectorNumElements instead of casting to llvm::VectorType and calling getNumElements. This is equivalent and shorter. 

llvm-svn: 274823
This commit is contained in:
Craig Topper 2016-07-08 02:17:35 +00:00
parent 4ac8e93a4e
commit f2f1a099a7
3 changed files with 5 additions and 7 deletions
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5
clang/lib/CodeGen/CGBuiltin.cpp
View File

@ -2552,7 +2552,7 @@ static llvm::VectorType *GetFloatNeonType(CodeGenFunction *CGF,
}
Value *CodeGenFunction::EmitNeonSplat(Value *V, Constant *C) {
unsigned nElts = cast<llvm::VectorType>(V->getType())->getNumElements();
unsigned nElts = V->getType()->getVectorNumElements();
Value* SV = llvm::ConstantVector::getSplat(nElts, C);
return Builder.CreateShuffleVector(V, V, SV, "lane");
}
@ -7007,8 +7007,7 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
case X86::BI__builtin_ia32_palignr512_mask: {
unsigned ShiftVal = cast<llvm::ConstantInt>(Ops[2])->getZExtValue();
unsigned NumElts =
cast<llvm::VectorType>(Ops[0]->getType())->getNumElements();
unsigned NumElts = Ops[0]->getType()->getVectorNumElements();
assert(NumElts % 16 == 0);
// If palignr is shifting the pair of vectors more than the size of two

3
clang/lib/CodeGen/CGExpr.cpp
View File

@ -1758,8 +1758,7 @@ void CodeGenFunction::EmitStoreThroughExtVectorComponentLValue(RValue Src,
if (const VectorType *VTy = Dst.getType()->getAs<VectorType>()) {
unsigned NumSrcElts = VTy->getNumElements();
unsigned NumDstElts =
cast<llvm::VectorType>(Vec->getType())->getNumElements();
unsigned NumDstElts = Vec->getType()->getVectorNumElements();
if (NumDstElts == NumSrcElts) {
// Use shuffle vector is the src and destination are the same number of
// elements and restore the vector mask since it is on the side it will be

4
clang/lib/CodeGen/CGExprScalar.cpp
View File

@ -818,7 +818,7 @@ Value *ScalarExprEmitter::EmitScalarConversion(Value *Src, QualType SrcType,
"Splatted expr doesn't match with vector element type?");
// Splat the element across to all elements
unsigned NumElements = cast<llvm::VectorType>(DstTy)->getNumElements();
unsigned NumElements = DstTy->getVectorNumElements();
return Builder.CreateVectorSplat(NumElements, Src, "splat");
}
@ -1529,7 +1529,7 @@ Value *ScalarExprEmitter::VisitCastExpr(CastExpr *CE) {
llvm::Type *DstTy = ConvertType(DestTy);
Value *Elt = Visit(const_cast<Expr*>(E));
// Splat the element across to all elements
unsigned NumElements = cast<llvm::VectorType>(DstTy)->getNumElements();
unsigned NumElements = DstTy->getVectorNumElements();
return Builder.CreateVectorSplat(NumElements, Elt, "splat");
}