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Apr 28, 2020
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Add all of CMath to type analysis #44

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342 changes: 340 additions & 2 deletions enzyme/Enzyme/TypeAnalysis.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1157,6 +1157,177 @@ void TypeAnalyzer::visitIntrinsicInst(llvm::IntrinsicInst &I) {
}
}

template<typename T>
struct Meta {
};

template<>
struct Meta<double> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
TA.updateAnalysis(val, DataType(Type::getDoubleTy(call.getContext())), &call);
}
};

template<>
struct Meta<float> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
TA.updateAnalysis(val, DataType(Type::getFloatTy(call.getContext())), &call);
}
};

template<>
struct Meta<long double> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
TA.updateAnalysis(val, DataType(Type::getX86_FP80Ty(call.getContext())), &call);
}
};

template<>
struct Meta<__float128> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
TA.updateAnalysis(val, DataType(Type::getFP128Ty (call.getContext())), &call);
}
};

template<>
struct Meta<double*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(Type::getDoubleTy(call.getContext())).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<float*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(Type::getFloatTy(call.getContext())).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long double*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(Type::getX86_FP80Ty(call.getContext())).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<__float128*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(Type::getFP128Ty(call.getContext())).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};


template<>
struct Meta<void> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
}
};

template<>
struct Meta<void*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<int> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<int*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long int> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long int*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long unsigned int> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long unsigned int*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long long int> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer);
TA.updateAnalysis(val, vd, &call);
}
};

template<>
struct Meta<long long int*> {
static void analyzeType(Value* val, CallInst &call, TypeAnalyzer &TA) {
ValueData vd = ValueData(IntType::Integer).Only({0});
vd |= ValueData(IntType::Pointer);
TA.updateAnalysis(val, vd, &call);
}
};

template<typename... Arg0>
struct FunctionTemplatesSuck {
static void analyzeFuncTypesHelper(unsigned idx, CallInst& call, TypeAnalyzer& TA) {}
};

template<typename Arg0, typename... Args>
struct FunctionTemplatesSuck<Arg0, Args...> {
static void analyzeFuncTypesHelper(unsigned idx, CallInst& call, TypeAnalyzer& TA) {
Meta<Arg0>::analyzeType(call.getOperand(idx), call, TA);
FunctionTemplatesSuck<Args...>::analyzeFuncTypesHelper(idx+1, call, TA);
}
};


template<typename RT, typename... Args>
void analyzeFuncTypes( RT(*fn)(Args...), CallInst& call, TypeAnalyzer& TA) {
Meta<RT>::analyzeType(&call, call, TA);
FunctionTemplatesSuck<Args...>::analyzeFuncTypesHelper(0, call, TA);
}

void TypeAnalyzer::visitCallInst(CallInst &call) {
if (auto iasm = dyn_cast<InlineAsm>(call.getCalledValue())) {
if (iasm->getAsmString() == "cpuid") {
Expand All @@ -1169,21 +1340,188 @@ void TypeAnalyzer::visitCallInst(CallInst &call) {

if (Function* ci = call.getCalledFunction()) {

#define CONSIDER(fn)\
if (ci->getName() == #fn) {\
analyzeFuncTypes(::fn, call, *this);\
return;\
}

CONSIDER(malloc)
//CONSIDER(__lgamma_r_finite)
CONSIDER(frexp)
CONSIDER(frexpf)
CONSIDER(frexpl)
CONSIDER(ldexp)
CONSIDER(modf)

CONSIDER(cos)
CONSIDER(sin)
CONSIDER(tan)
CONSIDER(acos)
CONSIDER(asin)
CONSIDER(atan)
CONSIDER(atan2)
CONSIDER(cosh)
CONSIDER(sinh)
CONSIDER(tanh)
CONSIDER(acosh)
CONSIDER(acoshf)
CONSIDER(acoshl)
CONSIDER(asinh)
CONSIDER(asinhf)
CONSIDER(asinhl)
CONSIDER(atanh)
CONSIDER(atanhl)
CONSIDER(atanhf)
CONSIDER(exp)
CONSIDER(log)
CONSIDER(log10)
CONSIDER(exp2)
CONSIDER(exp2f)
CONSIDER(exp2l)
CONSIDER(log10)
CONSIDER(exp2)
CONSIDER(expm1)
CONSIDER(expm1f)
CONSIDER(expm1l)
CONSIDER(ilogb)
CONSIDER(ilogbf)
CONSIDER(ilogbl)
CONSIDER(log1p)
CONSIDER(log1pf)
CONSIDER(log1pl)
CONSIDER(log2)
CONSIDER(log2f)
CONSIDER(log2l)
CONSIDER(logb)
CONSIDER(logbf)
CONSIDER(logbl)
CONSIDER(scalbn)
CONSIDER(scalbnf)
CONSIDER(scalbnl)
CONSIDER(scalbln)
CONSIDER(scalblnf)
CONSIDER(scalblnl)
CONSIDER(pow)
CONSIDER(sqrt)
CONSIDER(cbrt)
CONSIDER(cbrtf)
CONSIDER(cbrtl)
CONSIDER(hypot)
CONSIDER(erf)
CONSIDER(erff)
CONSIDER(erfl)
CONSIDER(erfc)
CONSIDER(erfcf)
CONSIDER(erfcl)
CONSIDER(tgamma)
CONSIDER(tgammaf)
CONSIDER(tgammal)
CONSIDER(lgamma)
CONSIDER(lgammaf)
CONSIDER(lgammal)
CONSIDER(ceil)
CONSIDER(floor)
CONSIDER(fmod)
CONSIDER(trunc)
CONSIDER(truncf)
CONSIDER(truncl)
CONSIDER(round)
CONSIDER(roundf)
CONSIDER(roundl)
CONSIDER(lround)
CONSIDER(lroundf)
CONSIDER(lroundl)
CONSIDER(llround)
CONSIDER(llroundf)
CONSIDER(llroundl)
CONSIDER(rint)
CONSIDER(rintf)
CONSIDER(rintl)
CONSIDER(lrint)
CONSIDER(lrintf)
CONSIDER(lrintl)
CONSIDER(llrint)
CONSIDER(llrintf)
CONSIDER(llrintl)
CONSIDER(remainder)
CONSIDER(remainderf)
CONSIDER(remainderl)
CONSIDER(remquo)
CONSIDER(remquof)
CONSIDER(remquol)
CONSIDER(copysign)
CONSIDER(copysignf)
CONSIDER(copysignl)
CONSIDER(nextafter)
CONSIDER(nextafterf)
CONSIDER(nextafterl)
CONSIDER(nexttoward)
CONSIDER(nexttowardf)
CONSIDER(nexttowardl)
CONSIDER(fdim)
CONSIDER(fdimf)
CONSIDER(fdiml)
CONSIDER(fmax)
CONSIDER(fmaxf)
CONSIDER(fmaxl)
CONSIDER(fmin)
CONSIDER(fminf)
CONSIDER(fminl)
CONSIDER(fabs)
CONSIDER(fma)
CONSIDER(fmaf)
CONSIDER(fmal)


if (ci->getName() == "__lgamma_r_finite") {
updateAnalysis(call.getArgOperand(0), DataType(Type::getDoubleTy(call.getContext())), &call);
updateAnalysis(call.getArgOperand(1), ValueData(IntType::Integer).Only({0}), &call);
updateAnalysis(&call, DataType(Type::getDoubleTy(call.getContext())), &call);
}

/*
if (ci->getName() == "malloc") {
updateAnalysis(call.getArgOperand(0), IntType::Integer, &call);
}

if (ci->getName() == "__lgamma_r_finite") {


if (ci->getName() == "frexp") {
updateAnalysis(call.getArgOperand(0), DataType(Type::getDoubleTy(call.getContext())), &call);
updateAnalysis(call.getArgOperand(1), ValueData(IntType::Integer).Only({0}), &call);
updateAnalysis(&call, DataType(Type::getDoubleTy(call.getContext())), &call);
}

if (ci->getName() == "tanh") {
if (ci->getName() == "ldexp") {
updateAnalysis(call.getArgOperand(0), DataType(Type::getDoubleTy(call.getContext())), &call);
updateAnalysis(call.getArgOperand(1), ValueData(IntType::Integer), &call);
updateAnalysis(&call, DataType(Type::getDoubleTy(call.getContext())), &call);
}

if (ci->getName() == "modf") {
updateAnalysis(call.getArgOperand(0), DataType(Type::getDoubleTy(call.getContext())), &call);
updateAnalysis(call.getArgOperand(1), ValueData(Type::getDoubleTy(call.getContext())).Only({0}), &call);
updateAnalysis(&call, DataType(Type::getDoubleTy(call.getContext())), &call);
}

if (ci->getName() == "sin")
analyzeFuncTypes(sin, call, *this);

const std::vector<std::string> doubleCmath = {
"cos", "sin", "tan", "acos", "asin", "atan", "atan2",
"cosh", "sinh", "tanh", "acosh", "asinh", "atanh",
"exp", "log", "log10", "exp2", "expm1"
};
const std::vector<std::string> floatCMath = {"acoshf", "asinhf", "atanhf", "exp2f", "expm1f"};
const std::vector<std::string> longDoubleCMath = {"acoshl", "asinhl", "atanhl", "exp2l", "expm1l"};

if (std::find(doubleCmath.begin(), doubleCmath.end(), ci->getName().str()) != doubleCmath.end()) {
for(unsigned i=0; i<call.getNumArgOperands(); i++)
updateAnalysis(call.getArgOperand(i), DataType(Type::getDoubleTy(call.getContext())), &call);
updateAnalysis(&call, DataType(Type::getDoubleTy(call.getContext())), &call);
}*/

//TODO we should handle calls interprocedurally, allowing better propagation of type information
if (!ci->empty()) {
visitIPOCall(call, *ci);
Expand Down