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cast inst

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This commit is contained in:
Vsevolod Livinskiy
2015-02-13 18:49:54 +03:00
parent e3a78ad150
commit 1abce94803
1 changed files with 27 additions and 12 deletions
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39
cbackend.cpp
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@@ -140,11 +140,14 @@ namespace {
llvm::DenseSet<const llvm::Metadata*> VisitedMDNodes;
#endif
llvm::DenseSet<llvm::Type*> VisitedTypes;
std::vector<llvm::ArrayType*> &ArrayTypes;
std::vector<llvm::IntegerType*> &IntegerTypes;
std::vector<bool> &IsVolatile;
std::vector<int> &Alignment;
public:
TypeFinder(std::vector<llvm::ArrayType*> &t)
: ArrayTypes(t) {}
TypeFinder(std::vector<llvm::ArrayType*> &t, std::vector<llvm::IntegerType*> &i,
std::vector<bool> &v, std::vector<int> &a)
: ArrayTypes(t), IntegerTypes(i) , IsVolatile(v), Alignment(a){}
void run(const llvm::Module &M) {
// Get types from global variables.
@@ -182,6 +185,13 @@ namespace {
// Incorporate the type of the instruction and all its operands.
incorporateType(I.getType());
if (llvm::isa<llvm::LoadInst>(&I))
if (llvm::IntegerType *ITy = llvm::dyn_cast<llvm::IntegerType>(I.getType())) {
IntegerTypes.push_back(ITy);
// llvm::StoreInst St = llvm::dyn_cast<llvm::StoreInst>(I);
// IsVolatile.push_back(St.isVolatile());
// Alignment.push_back(St.getAlignment());
}
for (llvm::User::const_op_iterator OI = I.op_begin(), OE = I.op_end();
OI != OE; ++OI)
incorporateValue(*OI);
@@ -288,8 +298,9 @@ namespace {
};
} // end anonymous namespace
static void findUsedArrayTypes(const llvm::Module *m, std::vector<llvm::ArrayType*> &t) {
TypeFinder(t).run(*m);
static void findUsedArrayTypes(const llvm::Module *m, std::vector<llvm::ArrayType*> &t, std::vector<llvm::IntegerType*> &i,
std::vector<bool> &IsVolatile, std::vector<int> &Alignment) {
TypeFinder(t, i, IsVolatile, Alignment).run(*m);
}
namespace {
@@ -2741,17 +2752,15 @@ void CWriter::printModuleTypes() {
// Get all of the array types used in the module
std::vector<llvm::ArrayType*> ArrayTypes;
findUsedArrayTypes(TheModule, ArrayTypes);
std::vector<llvm::IntegerType*> IntegerTypes;
std::vector<bool> IsVolatile;
std::vector<int> Alignment;
findUsedArrayTypes(TheModule, ArrayTypes, IntegerTypes, IsVolatile, Alignment);
if (StructTypes.empty() && ArrayTypes.empty())
return;
Out << "DEBUG_ME";
for (llvm::Module::const_global_iterator I = TheModule->global_begin(), E = TheModule->global_end();
I != E; ++I) {
Out << I << "^^^^^^^^^^^^^^^^^^^^^^^^^^\n";
}
Out << "/* Structure and array forward declarations */\n";
unsigned NextTypeID = 0;
@@ -2775,6 +2784,12 @@ void CWriter::printModuleTypes() {
std::string Name = getArrayName(AT);
Out << "struct " << Name << ";\n";
}
for (unsigned i = 0, e = IntegerTypes.size(); i != e; ++i) {
llvm::IntegerType *IT = IntegerTypes[i];
Out << "bitwidth: " << IT->getIntegerBitWidth () << "|" << IsVolatile[i] << "|" << Alignment[i] << ";\n";
}
Out << '\n';
// Keep track of which types have been printed so far.