blob: 40fdbab2f79cfb42656c4ffef34768559455a270 [file] [log] [blame]
//===- subzero/crosstest/test_fcmp_main.cpp - Driver for tests ------------===//
//
// The Subzero Code Generator
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Driver for cross testing the fcmp bitcode instruction
//
//===----------------------------------------------------------------------===//
/* crosstest.py --test=test_fcmp.pnacl.ll --driver=test_fcmp_main.cpp \
--prefix=Subzero_ --output=test_fcmp */
#include <cassert>
#include <cfloat>
#include <cmath>
#include <cstring>
#include <iostream>
#include "test_arith.def"
#include "test_fcmp.def"
#include "vectors.h"
#define X(cmp) \
extern "C" bool fcmp##cmp##Float(float a, float b); \
extern "C" bool fcmp##cmp##Double(double a, double b); \
extern "C" int fcmpSelect##cmp##Float(float a, float b, int c, int d); \
extern "C" int fcmpSelect##cmp##Double(double a, double b, int c, int d); \
extern "C" v4si32 fcmp##cmp##Vector(v4f32 a, v4f32 b); \
extern "C" bool Subzero_fcmp##cmp##Float(float a, float b); \
extern "C" bool Subzero_fcmp##cmp##Double(double a, double b); \
extern "C" int Subzero_fcmpSelect##cmp##Float(float a, float b, int c, \
int d); \
extern "C" int Subzero_fcmpSelect##cmp##Double(double a, double b, int c, \
int d); \
extern "C" v4si32 Subzero_fcmp##cmp##Vector(v4f32 a, v4f32 b);
FCMP_TABLE;
#undef X
volatile double *Values;
size_t NumValues;
void initializeValues() {
static const double NegInf = -1.0 / 0.0;
static const double Zero = 0.0;
static const double PosInf = 1.0 / 0.0;
static const double Nan = 0.0 / 0.0;
static const double NegNan = -0.0 / 0.0;
assert(std::fpclassify(NegInf) == FP_INFINITE);
assert(std::fpclassify(PosInf) == FP_INFINITE);
assert(std::fpclassify(Nan) == FP_NAN);
assert(std::fpclassify(NegNan) == FP_NAN);
assert(NegInf < Zero);
assert(NegInf < PosInf);
assert(Zero < PosInf);
static volatile double InitValues[] =
FP_VALUE_ARRAY(NegInf, PosInf, NegNan, Nan);
NumValues = sizeof(InitValues) / sizeof(*InitValues);
Values = InitValues;
}
void testsScalar(size_t &TotalTests, size_t &Passes, size_t &Failures) {
typedef bool (*FuncTypeFloat)(float, float);
typedef bool (*FuncTypeDouble)(double, double);
typedef int (*FuncTypeFloatSelect)(float, float, int, int);
typedef int (*FuncTypeDoubleSelect)(double, double, int, int);
static struct {
const char *Name;
FuncTypeFloat FuncFloatSz;
FuncTypeFloat FuncFloatLlc;
FuncTypeDouble FuncDoubleSz;
FuncTypeDouble FuncDoubleLlc;
FuncTypeFloatSelect FuncFloatSelectSz;
FuncTypeFloatSelect FuncFloatSelectLlc;
FuncTypeDoubleSelect FuncDoubleSelectSz;
FuncTypeDoubleSelect FuncDoubleSelectLlc;
} Funcs[] = {
#define X(cmp) \
{"fcmp" STR(cmp), Subzero_fcmp##cmp##Float, \
fcmp##cmp##Float, Subzero_fcmp##cmp##Double, \
fcmp##cmp##Double, Subzero_fcmpSelect##cmp##Float, \
fcmpSelect##cmp##Float, Subzero_fcmpSelect##cmp##Double, \
fcmpSelect##cmp##Double},
FCMP_TABLE
#undef X
};
const static size_t NumFuncs = sizeof(Funcs) / sizeof(*Funcs);
bool ResultSz, ResultLlc;
assert(Values && NumValues);
for (size_t f = 0; f < NumFuncs; ++f) {
for (size_t i = 0; i < NumValues; ++i) {
for (size_t j = 0; j < NumValues; ++j) {
++TotalTests;
float Value1Float = Values[i];
float Value2Float = Values[j];
ResultSz = Funcs[f].FuncFloatSz(Value1Float, Value2Float);
ResultLlc = Funcs[f].FuncFloatLlc(Value1Float, Value2Float);
if (ResultSz == ResultLlc) {
++Passes;
} else {
++Failures;
std::cout << Funcs[f].Name << "Float(" << Value1Float << ", "
<< Value2Float << "): sz=" << ResultSz
<< " llc=" << ResultLlc << "\n";
}
++TotalTests;
double Value1Double = Values[i];
double Value2Double = Values[j];
ResultSz = Funcs[f].FuncDoubleSz(Value1Double, Value2Double);
ResultLlc = Funcs[f].FuncDoubleLlc(Value1Double, Value2Double);
if (ResultSz == ResultLlc) {
++Passes;
} else {
++Failures;
std::cout << Funcs[f].Name << "Double(" << Value1Double << ", "
<< Value2Double << "): sz=" << ResultSz
<< " llc=" << ResultLlc << "\n";
}
++TotalTests;
float Value1SelectFloat = Values[i];
float Value2SelectFloat = Values[j];
ResultSz = Funcs[f].FuncFloatSelectSz(Value1Float, Value2Float, 1, 2);
ResultLlc = Funcs[f].FuncFloatSelectLlc(Value1Float, Value2Float, 1, 2);
if (ResultSz == ResultLlc) {
++Passes;
} else {
++Failures;
std::cout << Funcs[f].Name << "SelectFloat(" << Value1Float << ", "
<< Value2Float << "): sz=" << ResultSz
<< " llc=" << ResultLlc << "\n";
}
++TotalTests;
double Value1SelectDouble = Values[i];
double Value2SelectDouble = Values[j];
ResultSz =
Funcs[f].FuncDoubleSelectSz(Value1Double, Value2Double, 1, 2);
ResultLlc =
Funcs[f].FuncDoubleSelectLlc(Value1Double, Value2Double, 1, 2);
if (ResultSz == ResultLlc) {
++Passes;
} else {
++Failures;
std::cout << Funcs[f].Name << "SelectDouble(" << Value1Double << ", "
<< Value2Double << "): sz=" << ResultSz
<< " llc=" << ResultLlc << "\n";
}
}
}
}
}
void testsVector(size_t &TotalTests, size_t &Passes, size_t &Failures) {
typedef v4si32 (*FuncTypeVector)(v4f32, v4f32);
static struct {
const char *Name;
FuncTypeVector FuncVectorSz;
FuncTypeVector FuncVectorLlc;
} Funcs[] = {
#define X(cmp) {"fcmp" STR(cmp), Subzero_fcmp##cmp##Vector, fcmp##cmp##Vector},
FCMP_TABLE
#undef X
};
const static size_t NumFuncs = sizeof(Funcs) / sizeof(*Funcs);
const static size_t NumElementsInType = 4;
const static size_t MaxTestsPerFunc = 100000;
assert(Values && NumValues);
for (size_t f = 0; f < NumFuncs; ++f) {
PRNG Index;
for (size_t i = 0; i < MaxTestsPerFunc; ++i) {
v4f32 Value1, Value2;
for (size_t j = 0; j < NumElementsInType; ++j) {
Value1[j] = Values[Index() % NumValues];
Value2[j] = Values[Index() % NumValues];
}
++TotalTests;
v4si32 ResultSz, ResultLlc;
ResultSz = Funcs[f].FuncVectorSz(Value1, Value2);
ResultLlc = Funcs[f].FuncVectorLlc(Value1, Value2);
if (!memcmp(&ResultSz, &ResultLlc, sizeof(ResultSz))) {
++Passes;
} else {
++Failures;
std::cout << Funcs[f].Name << "Vector(" << vectAsString<v4f32>(Value1)
<< ", " << vectAsString<v4f32>(Value2)
<< "): sz=" << vectAsString<v4si32>(ResultSz)
<< " llc=" << vectAsString<v4si32>(ResultLlc) << "\n";
}
}
}
}
int main(int argc, char *argv[]) {
size_t TotalTests = 0;
size_t Passes = 0;
size_t Failures = 0;
initializeValues();
testsScalar(TotalTests, Passes, Failures);
testsVector(TotalTests, Passes, Failures);
std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
<< " Failures=" << Failures << "\n";
return Failures;
}