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[VectorUtils] Replace 'llvm::' qualification with 'using llvm'

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No funcitonal change is intended, this just makes the file look more
like the rest of LLVM.

llvm-svn: 245364
This commit is contained in:
David Majnemer 2015-08-18 22:07:20 +00:00
parent 6697181608
commit 6bbbc3b755
1 changed files with 15 additions and 18 deletions
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33
lib/Analysis/VectorUtils.cpp
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@ -18,6 +18,8 @@
#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/IR/Value.h"
using namespace llvm;
using namespace llvm::PatternMatch;
/// \brief Identify if the intrinsic is trivially vectorizable.
/// This method returns true if the intrinsic's argument types are all
@ -79,7 +81,7 @@ bool llvm::hasVectorInstrinsicScalarOpd(Intrinsic::ID ID,
/// d) call should only reads memory.
/// If all these condition is met then return ValidIntrinsicID
/// else return not_intrinsic.
llvm::Intrinsic::ID
Intrinsic::ID
llvm::checkUnaryFloatSignature(const CallInst &I,
Intrinsic::ID ValidIntrinsicID) {
if (I.getNumArgOperands() != 1 ||
@ -98,7 +100,7 @@ llvm::checkUnaryFloatSignature(const CallInst &I,
/// d) call should only reads memory.
/// If all these condition is met then return ValidIntrinsicID
/// else return not_intrinsic.
llvm::Intrinsic::ID
Intrinsic::ID
llvm::checkBinaryFloatSignature(const CallInst &I,
Intrinsic::ID ValidIntrinsicID) {
if (I.getNumArgOperands() != 2 ||
@ -114,8 +116,8 @@ llvm::checkBinaryFloatSignature(const CallInst &I,
/// \brief Returns intrinsic ID for call.
/// For the input call instruction it finds mapping intrinsic and returns
/// its ID, in case it does not found it return not_intrinsic.
llvm::Intrinsic::ID llvm::getIntrinsicIDForCall(CallInst *CI,
const TargetLibraryInfo *TLI) {
Intrinsic::ID llvm::getIntrinsicIDForCall(CallInst *CI,
const TargetLibraryInfo *TLI) {
// If we have an intrinsic call, check if it is trivially vectorizable.
if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(CI)) {
Intrinsic::ID ID = II->getIntrinsicID();
@ -228,8 +230,7 @@ unsigned llvm::getGEPInductionOperand(const GetElementPtrInst *Gep) {
cast<PointerType>(Gep->getType()->getScalarType())->getElementType());
// Walk backwards and try to peel off zeros.
while (LastOperand > 1 &&
match(Gep->getOperand(LastOperand), llvm::PatternMatch::m_Zero())) {
while (LastOperand > 1 && match(Gep->getOperand(LastOperand), m_Zero())) {
// Find the type we're currently indexing into.
gep_type_iterator GEPTI = gep_type_begin(Gep);
std::advance(GEPTI, LastOperand - 1);
@ -247,8 +248,7 @@ unsigned llvm::getGEPInductionOperand(const GetElementPtrInst *Gep) {
/// \brief If the argument is a GEP, then returns the operand identified by
/// getGEPInductionOperand. However, if there is some other non-loop-invariant
/// operand, it returns that instead.
llvm::Value *llvm::stripGetElementPtr(llvm::Value *Ptr, ScalarEvolution *SE,
Loop *Lp) {
Value *llvm::stripGetElementPtr(Value *Ptr, ScalarEvolution *SE, Loop *Lp) {
GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Ptr);
if (!GEP)
return Ptr;
@ -265,8 +265,8 @@ llvm::Value *llvm::stripGetElementPtr(llvm::Value *Ptr, ScalarEvolution *SE,
}
/// \brief If a value has only one user that is a CastInst, return it.
llvm::Value *llvm::getUniqueCastUse(llvm::Value *Ptr, Loop *Lp, Type *Ty) {
llvm::Value *UniqueCast = nullptr;
Value *llvm::getUniqueCastUse(Value *Ptr, Loop *Lp, Type *Ty) {
Value *UniqueCast = nullptr;
for (User *U : Ptr->users()) {
CastInst *CI = dyn_cast<CastInst>(U);
if (CI && CI->getType() == Ty) {
@ -281,8 +281,7 @@ llvm::Value *llvm::getUniqueCastUse(llvm::Value *Ptr, Loop *Lp, Type *Ty) {
/// \brief Get the stride of a pointer access in a loop. Looks for symbolic
/// strides "a[i*stride]". Returns the symbolic stride, or null otherwise.
llvm::Value *llvm::getStrideFromPointer(llvm::Value *Ptr, ScalarEvolution *SE,
Loop *Lp) {
Value *llvm::getStrideFromPointer(Value *Ptr, ScalarEvolution *SE, Loop *Lp) {
auto *PtrTy = dyn_cast<PointerType>(Ptr->getType());
if (!PtrTy || PtrTy->isAggregateType())
return nullptr;
@ -290,7 +289,7 @@ llvm::Value *llvm::getStrideFromPointer(llvm::Value *Ptr, ScalarEvolution *SE,
// Try to remove a gep instruction to make the pointer (actually index at this
// point) easier analyzable. If OrigPtr is equal to Ptr we are analzying the
// pointer, otherwise, we are analyzing the index.
llvm::Value *OrigPtr = Ptr;
Value *OrigPtr = Ptr;
// The size of the pointer access.
int64_t PtrAccessSize = 1;
@ -346,7 +345,7 @@ llvm::Value *llvm::getStrideFromPointer(llvm::Value *Ptr, ScalarEvolution *SE,
if (!U)
return nullptr;
llvm::Value *Stride = U->getValue();
Value *Stride = U->getValue();
if (!Lp->isLoopInvariant(Stride))
return nullptr;
@ -361,7 +360,7 @@ llvm::Value *llvm::getStrideFromPointer(llvm::Value *Ptr, ScalarEvolution *SE,
/// \brief Given a vector and an element number, see if the scalar value is
/// already around as a register, for example if it were inserted then extracted
/// from the vector.
llvm::Value *llvm::findScalarElement(llvm::Value *V, unsigned EltNo) {
Value *llvm::findScalarElement(Value *V, unsigned EltNo) {
assert(V->getType()->isVectorTy() && "Not looking at a vector?");
VectorType *VTy = cast<VectorType>(V->getType());
unsigned Width = VTy->getNumElements();
@ -399,9 +398,7 @@ llvm::Value *llvm::findScalarElement(llvm::Value *V, unsigned EltNo) {
// Extract a value from a vector add operation with a constant zero.
Value *Val = nullptr; Constant *Con = nullptr;
if (match(V,
llvm::PatternMatch::m_Add(llvm::PatternMatch::m_Value(Val),
llvm::PatternMatch::m_Constant(Con)))) {
if (match(V, m_Add(m_Value(Val), m_Constant(Con)))) {
if (Con->getAggregateElement(EltNo)->isNullValue())
return findScalarElement(Val, EltNo);
}