#include "NVPTX.h"
#include "MCTargetDesc/NVPTXBaseInfo.h"
#include "NVPTXUtilities.h"
-#include "llvm/ADT/ValueMap.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
+#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Operator.h"
-#include "llvm/PassManager.h"
+#include "llvm/IR/ValueMap.h"
+#include "llvm/Transforms/Utils/ValueMapper.h"
using namespace llvm;
GenericToNVVM() : ModulePass(ID) {}
- virtual bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
- }
+ void getAnalysisUsage(AnalysisUsage &AU) const override {}
private:
Value *getOrInsertCVTA(Module *M, Function *F, GlobalVariable *GV,
IRBuilder<> &Builder);
Value *remapConstantExpr(Module *M, Function *F, ConstantExpr *C,
IRBuilder<> &Builder);
- void remapNamedMDNode(Module *M, NamedMDNode *N);
- MDNode *remapMDNode(Module *M, MDNode *N);
+ void remapNamedMDNode(ValueToValueMapTy &VM, NamedMDNode *N);
typedef ValueMap<GlobalVariable *, GlobalVariable *> GVMapTy;
typedef ValueMap<Constant *, Value *> ConstantToValueMapTy;
GlobalVariable *GV = I++;
if (GV->getType()->getAddressSpace() == llvm::ADDRESS_SPACE_GENERIC &&
!llvm::isTexture(*GV) && !llvm::isSurface(*GV) &&
- !GV->getName().startswith("llvm.")) {
+ !llvm::isSampler(*GV) && !GV->getName().startswith("llvm.")) {
GlobalVariable *NewGV = new GlobalVariable(
M, GV->getType()->getElementType(), GV->isConstant(),
- GV->getLinkage(), GV->hasInitializer() ? GV->getInitializer() : NULL,
+ GV->getLinkage(),
+ GV->hasInitializer() ? GV->getInitializer() : nullptr,
"", GV, GV->getThreadLocalMode(), llvm::ADDRESS_SPACE_GLOBAL);
NewGV->copyAttributesFrom(GV);
GVMap[GV] = NewGV;
ConstantToValueMap.clear();
}
+ // Copy GVMap over to a standard value map.
+ ValueToValueMapTy VM;
+ for (auto I = GVMap.begin(), E = GVMap.end(); I != E; ++I)
+ VM[I->first] = I->second;
+
// Walk through the metadata section and update the debug information
// associated with the global variables in the default address space.
for (Module::named_metadata_iterator I = M.named_metadata_begin(),
E = M.named_metadata_end();
I != E; I++) {
- remapNamedMDNode(&M, I);
+ remapNamedMDNode(VM, I);
}
// Walk through the global variable initializers, and replace any use of
for (GVMapTy::iterator I = GVMap.begin(), E = GVMap.end(); I != E;) {
GlobalVariable *GV = I->first;
GlobalVariable *NewGV = I->second;
- ++I;
+
+ // Remove GV from the map so that it can be RAUWed. Note that
+ // DenseMap::erase() won't invalidate any iterators but this one.
+ auto Next = std::next(I);
+ GVMap.erase(I);
+ I = Next;
+
Constant *BitCastNewGV = ConstantExpr::getPointerCast(NewGV, GV->getType());
// At this point, the remaining uses of GV should be found only in global
// variable initializers, as other uses have been already been removed
// while walking through the instructions in function definitions.
- for (Value::use_iterator UI = GV->use_begin(), UE = GV->use_end();
- UI != UE;) {
- Use &U = (UI++).getUse();
- U.set(BitCastNewGV);
- }
+ GV->replaceAllUsesWith(BitCastNewGV);
std::string Name = GV->getName();
- GV->removeDeadConstantUsers();
GV->eraseFromParent();
NewGV->setName(Name);
}
- GVMap.clear();
+ assert(GVMap.empty() && "Expected it to be empty by now");
return true;
}
GlobalVariable *GV,
IRBuilder<> &Builder) {
PointerType *GVType = GV->getType();
- Value *CVTA = NULL;
+ Value *CVTA = nullptr;
// See if the address space conversion requires the operand to be bitcast
// to i8 addrspace(n)* first.
}
}
-void GenericToNVVM::remapNamedMDNode(Module *M, NamedMDNode *N) {
+void GenericToNVVM::remapNamedMDNode(ValueToValueMapTy &VM, NamedMDNode *N) {
bool OperandChanged = false;
SmallVector<MDNode *, 16> NewOperands;
// converted to another value.
for (unsigned i = 0; i < NumOperands; ++i) {
MDNode *Operand = N->getOperand(i);
- MDNode *NewOperand = remapMDNode(M, Operand);
+ MDNode *NewOperand = MapMetadata(Operand, VM);
OperandChanged |= Operand != NewOperand;
NewOperands.push_back(NewOperand);
}
N->addOperand(*I);
}
}
-
-MDNode *GenericToNVVM::remapMDNode(Module *M, MDNode *N) {
-
- bool OperandChanged = false;
- SmallVector<Value *, 8> NewOperands;
- unsigned NumOperands = N->getNumOperands();
-
- // Check if any operand is or contains a global variable in GVMap, and thus
- // converted to another value.
- for (unsigned i = 0; i < NumOperands; ++i) {
- Value *Operand = N->getOperand(i);
- Value *NewOperand = Operand;
- if (Operand) {
- if (isa<GlobalVariable>(Operand)) {
- GVMapTy::iterator I = GVMap.find(cast<GlobalVariable>(Operand));
- if (I != GVMap.end()) {
- NewOperand = I->second;
- if (++i < NumOperands) {
- NewOperands.push_back(NewOperand);
- // Address space of the global variable follows the global variable
- // in the global variable debug info (see createGlobalVariable in
- // lib/Analysis/DIBuilder.cpp).
- NewOperand =
- ConstantInt::get(Type::getInt32Ty(M->getContext()),
- I->second->getType()->getAddressSpace());
- }
- }
- } else if (isa<MDNode>(Operand)) {
- NewOperand = remapMDNode(M, cast<MDNode>(Operand));
- }
- }
- OperandChanged |= Operand != NewOperand;
- NewOperands.push_back(NewOperand);
- }
-
- // If none of the operands has been modified, return N as it is.
- if (!OperandChanged) {
- return N;
- }
-
- // If any of the operands has been modified, create a new MDNode with the new
- // operands.
- return MDNode::get(M->getContext(), makeArrayRef(NewOperands));
-}
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