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add short vector support to wrapper gen #64

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Merged
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Feb 16, 2017
Merged

add short vector support to wrapper gen #64

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45 changes: 43 additions & 2 deletions lib/Transforms/HC/WrapperGen/WrapperGen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -265,10 +265,11 @@ namespace
}
// FIXME: Currently there seems to be a bug with char
// Current workaround is to use bool since they both have the same size
// https://bitbucket.org/snippets/wukevin/L8nbK
// Relevant test case: Unit/GridLaunch/customtype_byval_char.cpp
std::string typeNameWithQual(sTy->getTypeNameWithQual());
size_t start_pos = typeNameWithQual.find("char");
if(start_pos != std::string::npos) {
if(start_pos != std::string::npos
&& typeNameWithQual.find("hc::short_vector::char") == std::string::npos) {
typeNameWithQual.replace(start_pos, strlen("char"), "bool");
}

Expand Down Expand Up @@ -461,6 +462,45 @@ struct StringFinder
mArraySize = T->getArrayNumElements();
}

if(T->isVectorTy()) {
llvm::Type* elementType = T->getScalarType();
std::string elementTypeString("");

if(llvm::IntegerType *intTy = llvm::dyn_cast<llvm::IntegerType>(elementType)) {
unsigned bitwidth = intTy->getBitWidth();
switch(bitwidth) {
case 8:
elementTypeString = "char";
break;
case 16:
elementTypeString = "short";
break;
case 32:
elementTypeString = "int";
break;
case 64:
elementTypeString = "long";
break;
default:
break;
};
}
else if (elementType->isFloatTy()) {
elementTypeString = "float";
}
else if (elementType->isDoubleTy()) {
elementTypeString = "double";
}
else if (elementType->isHalfTy()) {
elementTypeString = "half";
}

if (elementTypeString != "") {
unsigned int numElements = T->getVectorNumElements();
str.insert(0, "hc::short_vector::" + elementTypeString + std::to_string(numElements) + "::vector_value_type");
}
}

if(str == "") {
str.append("\'!UNKNOWN_TYPE: ");
llvm::raw_string_ostream rso(str);
Expand Down Expand Up @@ -501,6 +541,7 @@ struct StringFinder
// headers and namespace uses
out << "#include \"hc.hpp\"\n";
out << "#include \"grid_launch.hpp\"\n";
out << "#include \"hc_short_vector.hpp\"\n";

out << "using namespace hc;\n";

Expand Down