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CodeGen: Introduce helper function to get pointer to int 

llvm-svn: 152790
This commit is contained in:
Tobias Grosser 2012-03-15 09:34:48 +00:00
parent 30d03483ff
commit e9ffea2ccf
1 changed files with 19 additions and 23 deletions
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42
polly/lib/CodeGeneration.cpp
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@ -985,7 +985,6 @@ class ClastStmtCodeGen {
DominatorTree *DT;
ScopDetection *SD;
Dependences *DP;
TargetData *TD;
Pass *P;
// The Builder specifies the current location to code generate at.
@ -1091,6 +1090,8 @@ public:
void addParameters(const CloogNames *names);
IntegerType *getIntPtrTy();
public:
void codegen(const clast_root *r);
@ -1100,20 +1101,23 @@ public:
};
}
IntegerType *ClastStmtCodeGen::getIntPtrTy() {
return P->getAnalysis<TargetData>().getIntPtrType(Builder.getContext());
}
const std::vector<std::string> &ClastStmtCodeGen::getParallelLoops() {
return parallelLoops;
}
void ClastStmtCodeGen::codegen(const clast_assignment *a) {
Value *V= ExpGen.codegen(a->RHS, TD->getIntPtrType(Builder.getContext()));
Value *V= ExpGen.codegen(a->RHS, getIntPtrTy());
(*clastVars)[a->LHS] = V;
}
void ClastStmtCodeGen::codegen(const clast_assignment *a, ScopStmt *Statement,
unsigned Dimension, int vectorDim,
std::vector<ValueMapT> *VectorVMap) {
Value *RHS = ExpGen.codegen(a->RHS,
TD->getIntPtrType(Builder.getContext()));
Value *RHS = ExpGen.codegen(a->RHS, getIntPtrTy());
assert(!a->LHS && "Statement assignments do not have left hand side");
const PHINode *PN;
@ -1180,12 +1184,9 @@ void ClastStmtCodeGen::codegen(const clast_block *b) {
void ClastStmtCodeGen::codegenForSequential(const clast_for *f,
Value *LowerBound,
Value *UpperBound) {
APInt Stride;
BasicBlock *AfterBB;
Type *IntPtrTy;
Stride = APInt_from_MPZ(f->stride);
IntPtrTy = TD->getIntPtrType(Builder.getContext());
Type *IntPtrTy = getIntPtrTy();
APInt Stride = APInt_from_MPZ(f->stride);
// The value of lowerbound and upperbound will be supplied, if this
// function is called while generating OpenMP code. Otherwise get
@ -1290,9 +1291,9 @@ void ClastStmtCodeGen::addOpenMPSubfunctionBody(Function *FN,
const clast_for *f,
Value *structData,
SetVector<Value*> OMPDataVals) {
Type *IntPtrTy = getIntPtrTy();
Module *M = Builder.GetInsertBlock()->getParent()->getParent();
LLVMContext &Context = FN->getContext();
IntegerType *intPtrTy = TD->getIntPtrType(Context);
// Store the previous basic block.
BasicBlock::iterator PrevInsertPoint = Builder.GetInsertPoint();
@ -1312,10 +1313,8 @@ void ClastStmtCodeGen::addOpenMPSubfunctionBody(Function *FN,
// Fill up basic block HeaderBB.
Builder.SetInsertPoint(HeaderBB);
Value *lowerBoundPtr = Builder.CreateAlloca(intPtrTy, 0,
"omp.lowerBoundPtr");
Value *upperBoundPtr = Builder.CreateAlloca(intPtrTy, 0,
"omp.upperBoundPtr");
Value *lowerBoundPtr = Builder.CreateAlloca(IntPtrTy, 0, "omp.lowerBoundPtr");
Value *upperBoundPtr = Builder.CreateAlloca(IntPtrTy, 0, "omp.upperBoundPtr");
Value *userContext = Builder.CreateBitCast(FN->arg_begin(),
structData->getType(),
"omp.userContext");
@ -1341,7 +1340,7 @@ void ClastStmtCodeGen::addOpenMPSubfunctionBody(Function *FN,
// Subtract one as the upper bound provided by openmp is a < comparison
// whereas the codegenForSequential function creates a <= comparison.
upperBound = Builder.CreateSub(upperBound, ConstantInt::get(intPtrTy, 1),
upperBound = Builder.CreateSub(upperBound, ConstantInt::get(IntPtrTy, 1),
"omp.upperBoundAdjusted");
// Use clastVarsOMP during code generation of the OpenMP subfunction.
@ -1369,7 +1368,7 @@ void ClastStmtCodeGen::addOpenMPSubfunctionBody(Function *FN,
void ClastStmtCodeGen::codegenForOpenMP(const clast_for *For) {
Module *M = Builder.GetInsertBlock()->getParent()->getParent();
IntegerType *IntPtrTy = TD->getIntPtrType(Builder.getContext());
IntegerType *IntPtrTy = getIntPtrTy();
Function *SubFunction = addOpenMPSubfunction(M);
SetVector<Value*> OMPDataVals = createOpenMPStructValues();
@ -1459,8 +1458,7 @@ void ClastStmtCodeGen::codegenForVector(const clast_for *f) {
DEBUG(dbgs() << "Vectorizing loop '" << f->iterator << "'\n";);
int vectorWidth = getNumberOfIterations(f);
Value *LB = ExpGen.codegen(f->LB,
TD->getIntPtrType(Builder.getContext()));
Value *LB = ExpGen.codegen(f->LB, getIntPtrTy());
APInt Stride = APInt_from_MPZ(f->stride);
IntegerType *LoopIVType = dyn_cast<IntegerType>(LB->getType());
@ -1513,10 +1511,8 @@ void ClastStmtCodeGen::codegen(const clast_for *f) {
}
Value *ClastStmtCodeGen::codegen(const clast_equation *eq) {
Value *LHS = ExpGen.codegen(eq->LHS,
TD->getIntPtrType(Builder.getContext()));
Value *RHS = ExpGen.codegen(eq->RHS,
TD->getIntPtrType(Builder.getContext()));
Value *LHS = ExpGen.codegen(eq->LHS, getIntPtrTy());
Value *RHS = ExpGen.codegen(eq->RHS, getIntPtrTy());
CmpInst::Predicate P;
if (eq->sign == 0)
@ -1619,7 +1615,7 @@ ClastStmtCodeGen::ClastStmtCodeGen(Scop *scop, ScalarEvolution &se,
DominatorTree *dt, ScopDetection *sd,
Dependences *dp, TargetData *td,
IRBuilder<> &B, Pass *P) :
S(scop), SE(se), DT(dt), SD(sd), DP(dp), TD(td), P(P), Builder(B),
S(scop), SE(se), DT(dt), SD(sd), DP(dp), P(P), Builder(B),
ExpGen(Builder, NULL) {}
namespace {