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Use GetUnderlyingObject instead of custom function

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184261 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-06-18 23:37:58 +00:00
parent c2b6adff3e
commit 70a3dc1bc2
1 changed files with 20 additions and 58 deletions
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78
lib/Target/R600/AMDILISelDAGToDAG.cpp
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@ -17,6 +17,7 @@
#include "R600InstrInfo.h"
#include "SIISelLowering.h"
#include "llvm/ADT/ValueMap.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PseudoSourceValue.h"
#include "llvm/CodeGen/SelectionDAG.h"
@ -59,20 +60,19 @@ private:
bool SelectADDR64(SDValue N, SDValue &R1, SDValue &R2);
static bool checkType(const Value *ptr, unsigned int addrspace);
static const Value *getBasePointerValue(const Value *V);
static bool isGlobalStore(const StoreSDNode *N);
static bool isPrivateStore(const StoreSDNode *N);
static bool isLocalStore(const StoreSDNode *N);
static bool isRegionStore(const StoreSDNode *N);
static bool isCPLoad(const LoadSDNode *N);
static bool isConstantLoad(const LoadSDNode *N, int cbID);
static bool isGlobalLoad(const LoadSDNode *N);
static bool isParamLoad(const LoadSDNode *N);
static bool isPrivateLoad(const LoadSDNode *N);
static bool isLocalLoad(const LoadSDNode *N);
static bool isRegionLoad(const LoadSDNode *N);
bool isCPLoad(const LoadSDNode *N) const;
bool isConstantLoad(const LoadSDNode *N, int cbID) const;
bool isGlobalLoad(const LoadSDNode *N) const;
bool isParamLoad(const LoadSDNode *N) const;
bool isPrivateLoad(const LoadSDNode *N) const;
bool isLocalLoad(const LoadSDNode *N) const;
bool isRegionLoad(const LoadSDNode *N) const;
bool SelectGlobalValueConstantOffset(SDValue Addr, SDValue& IntPtr);
bool SelectGlobalValueVariableOffset(SDValue Addr,
@ -332,7 +332,7 @@ SDNode *AMDGPUDAGToDAGISel::Select(SDNode *N) {
Result = CurDAG->UpdateNodeOperands(Result, Ops.data(), Ops.size());
}
} while (IsModified);
}
if (Result && Result->isMachineOpcode() &&
!(TII->get(Result->getMachineOpcode()).TSFlags & R600_InstFlag::VECTOR)
@ -542,46 +542,6 @@ bool AMDGPUDAGToDAGISel::checkType(const Value *ptr, unsigned int addrspace) {
return dyn_cast<PointerType>(ptrType)->getAddressSpace() == addrspace;
}
const Value * AMDGPUDAGToDAGISel::getBasePointerValue(const Value *V) {
if (!V) {
return NULL;
}
const Value *ret = NULL;
ValueMap<const Value *, bool> ValueBitMap;
std::queue<const Value *, std::list<const Value *> > ValueQueue;
ValueQueue.push(V);
while (!ValueQueue.empty()) {
V = ValueQueue.front();
if (ValueBitMap.find(V) == ValueBitMap.end()) {
ValueBitMap[V] = true;
if (dyn_cast<Argument>(V) && dyn_cast<PointerType>(V->getType())) {
ret = V;
break;
} else if (dyn_cast<GlobalVariable>(V)) {
ret = V;
break;
} else if (dyn_cast<Constant>(V)) {
const ConstantExpr *CE = dyn_cast<ConstantExpr>(V);
if (CE) {
ValueQueue.push(CE->getOperand(0));
}
} else if (const AllocaInst *AI = dyn_cast<AllocaInst>(V)) {
ret = AI;
break;
} else if (const Instruction *I = dyn_cast<Instruction>(V)) {
uint32_t numOps = I->getNumOperands();
for (uint32_t x = 0; x < numOps; ++x) {
ValueQueue.push(I->getOperand(x));
}
} else {
assert(!"Found a Value that we didn't know how to handle!");
}
}
ValueQueue.pop();
}
return ret;
}
bool AMDGPUDAGToDAGISel::isGlobalStore(const StoreSDNode *N) {
return checkType(N->getSrcValue(), AMDGPUAS::GLOBAL_ADDRESS);
}
@ -600,41 +560,43 @@ bool AMDGPUDAGToDAGISel::isRegionStore(const StoreSDNode *N) {
return checkType(N->getSrcValue(), AMDGPUAS::REGION_ADDRESS);
}
bool AMDGPUDAGToDAGISel::isConstantLoad(const LoadSDNode *N, int cbID) {
bool AMDGPUDAGToDAGISel::isConstantLoad(const LoadSDNode *N, int cbID) const {
if (checkType(N->getSrcValue(), AMDGPUAS::CONSTANT_ADDRESS)) {
return true;
}
const DataLayout *DL = TM.getDataLayout();
MachineMemOperand *MMO = N->getMemOperand();
const Value *V = MMO->getValue();
const Value *BV = getBasePointerValue(V);
const Value *BV = GetUnderlyingObject(V, DL, 0);
if (MMO
&& MMO->getValue()
&& ((V && dyn_cast<GlobalValue>(V))
|| (BV && dyn_cast<GlobalValue>(
getBasePointerValue(MMO->getValue()))))) {
GetUnderlyingObject(MMO->getValue(), DL, 0))))) {
return checkType(N->getSrcValue(), AMDGPUAS::PRIVATE_ADDRESS);
} else {
return false;
}
}
bool AMDGPUDAGToDAGISel::isGlobalLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isGlobalLoad(const LoadSDNode *N) const {
return checkType(N->getSrcValue(), AMDGPUAS::GLOBAL_ADDRESS);
}
bool AMDGPUDAGToDAGISel::isParamLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isParamLoad(const LoadSDNode *N) const {
return checkType(N->getSrcValue(), AMDGPUAS::PARAM_I_ADDRESS);
}
bool AMDGPUDAGToDAGISel::isLocalLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isLocalLoad(const LoadSDNode *N) const {
return checkType(N->getSrcValue(), AMDGPUAS::LOCAL_ADDRESS);
}
bool AMDGPUDAGToDAGISel::isRegionLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isRegionLoad(const LoadSDNode *N) const {
return checkType(N->getSrcValue(), AMDGPUAS::REGION_ADDRESS);
}
bool AMDGPUDAGToDAGISel::isCPLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isCPLoad(const LoadSDNode *N) const {
MachineMemOperand *MMO = N->getMemOperand();
if (checkType(N->getSrcValue(), AMDGPUAS::PRIVATE_ADDRESS)) {
if (MMO) {
@ -648,7 +610,7 @@ bool AMDGPUDAGToDAGISel::isCPLoad(const LoadSDNode *N) {
return false;
}
bool AMDGPUDAGToDAGISel::isPrivateLoad(const LoadSDNode *N) {
bool AMDGPUDAGToDAGISel::isPrivateLoad(const LoadSDNode *N) const {
if (checkType(N->getSrcValue(), AMDGPUAS::PRIVATE_ADDRESS)) {
// Check to make sure we are not a constant pool load or a constant load
// that is marked as a private load