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CodeGen: Move generation of OpenMP out of the way 

We also fix some style issues. This change contains no functional change.

llvm-svn: 150333
This commit is contained in:
Tobias Grosser 2012-02-12 12:09:27 +00:00
parent 22a0fdf24b
commit b1c9599faa
1 changed files with 28 additions and 25 deletions
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53
polly/lib/CodeGeneration.cpp
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@ -1551,12 +1551,13 @@ class CodeGeneration : public ScopPass {
CodeGeneration() : ScopPass(ID) {}
// Adding prototypes required if OpenMP is enabled.
void addOpenMPDefinitions(IRBuilder<> &Builder)
// Add the declarations needed by the OpenMP function calls that we insert in
// OpenMP mode.
void addOpenMPDeclarations(Module *M)
{
Module *M = Builder.GetInsertBlock()->getParent()->getParent();
LLVMContext &Context = Builder.getContext();
IntegerType *intPtrTy = TD->getIntPtrType(Context);
LLVMContext &Context = M->getContext();
IRBuilder<> Builder(Context);
IntegerType *IntPtrTy = TD->getIntPtrType(Context);
if (!M->getFunction("GOMP_parallel_end")) {
FunctionType *FT = FunctionType::get(Type::getVoidTy(Context), false);
@ -1565,33 +1566,33 @@ class CodeGeneration : public ScopPass {
if (!M->getFunction("GOMP_parallel_loop_runtime_start")) {
// Type of first argument.
std::vector<Type*> Arguments(1, Builder.getInt8PtrTy());
FunctionType *FnArgTy = FunctionType::get(Builder.getVoidTy(), Arguments,
std::vector<Type*> Args(1, Builder.getInt8PtrTy());
FunctionType *FnArgTy = FunctionType::get(Builder.getVoidTy(), Args,
false);
PointerType *FnPtrTy = PointerType::getUnqual(FnArgTy);
std::vector<Type*> args;
args.push_back(FnPtrTy);
args.push_back(Builder.getInt8PtrTy());
args.push_back(Builder.getInt32Ty());
args.push_back(intPtrTy);
args.push_back(intPtrTy);
args.push_back(intPtrTy);
Args.clear();
Args.push_back(FnPtrTy);
Args.push_back(Builder.getInt8PtrTy());
Args.push_back(Builder.getInt32Ty());
Args.push_back(IntPtrTy);
Args.push_back(IntPtrTy);
Args.push_back(IntPtrTy);
FunctionType *type = FunctionType::get(Builder.getVoidTy(), args, false);
Function::Create(type, Function::ExternalLinkage,
FunctionType *Ty = FunctionType::get(Builder.getVoidTy(), Args, false);
Function::Create(Ty, Function::ExternalLinkage,
"GOMP_parallel_loop_runtime_start", M);
}
if (!M->getFunction("GOMP_loop_runtime_next")) {
PointerType *intLongPtrTy = PointerType::getUnqual(intPtrTy);
PointerType *IntLongPtrTy = PointerType::getUnqual(IntPtrTy);
std::vector<Type*> args;
args.push_back(intLongPtrTy);
args.push_back(intLongPtrTy);
std::vector<Type*> Args;
Args.push_back(IntLongPtrTy);
Args.push_back(IntLongPtrTy);
FunctionType *type = FunctionType::get(Builder.getInt8Ty(), args, false);
Function::Create(type, Function::ExternalLinkage,
FunctionType *Ty = FunctionType::get(Builder.getInt8Ty(), Args, false);
Function::Create(Ty, Function::ExternalLinkage,
"GOMP_loop_runtime_next", M);
}
@ -1699,6 +1700,11 @@ class CodeGeneration : public ScopPass {
assert(region->isSimple() && "Only simple regions are supported");
Module *M = region->getEntry()->getParent()->getParent();
if (OpenMP)
addOpenMPDeclarations(M);
// In the CFG the optimized code of the SCoP is generated next to the
// original code. Both the new and the original version of the code remain
// in the CFG. A branch statement decides which version is executed.
@ -1732,9 +1738,6 @@ class CodeGeneration : public ScopPass {
// The builder will be set to startBlock.
BasicBlock *splitBlock = addSplitAndStartBlock(&builder);
if (OpenMP)
addOpenMPDefinitions(builder);
ClastStmtCodeGen CodeGen(S, *SE, DT, SD, DP, TD, builder);
CloogInfo &C = getAnalysis<CloogInfo>();
CodeGen.codegen(C.getClast());