/**
* Main display function. This is the place to add more API calls.
*/
static void Display( void )
{
int i;
const float v[3] = { 1.0, 0.0, 0.0 };
cycles_t t0;
cycles_t t1;
glBegin(GL_TRIANGLE_STRIP);
DO_FUNC( glColor3fv, (v) );
DO_FUNC( glNormal3fv, (v) );
DO_FUNC( glTexCoord2fv, (v) );
DO_FUNC( glTexCoord3fv, (v) );
DO_FUNC( glMultiTexCoord2fv, (GL_TEXTURE0, v) );
DO_FUNC( glMultiTexCoord2f, (GL_TEXTURE0, 0.0, 0.0) );
DO_FUNC( glFogCoordfv, (v) );
DO_FUNC( glFogCoordf, (0.5) );
glEnd();
exit(0);
}
static bool lRunTest(const char *fn) {
llvm::LLVMContext *ctx = new llvm::LLVMContext;
#ifdef LLVM_2_8
std::string err;
llvm::MemoryBuffer *buf = llvm::MemoryBuffer::getFileOrSTDIN(fn, &err);
if (!buf) {
fprintf(stderr, "Unable to open file \"%s\": %s\n", fn, err.c_str());
delete ctx;
return false;
}
std::string bcErr;
llvm::Module *module = llvm::ParseBitcodeFile(buf, *ctx, &bcErr);
#else
llvm::OwningPtr<llvm::MemoryBuffer> buf;
llvm::error_code err = llvm::MemoryBuffer::getFileOrSTDIN(fn, buf);
if (err) {
fprintf(stderr, "Unable to open file \"%s\": %s\n", fn, err.message().c_str());
delete ctx;
return false;
}
std::string bcErr;
llvm::Module *module = llvm::ParseBitcodeFile(buf.get(), *ctx, &bcErr);
#endif
if (!module) {
fprintf(stderr, "Bitcode reader failed for \"%s\": %s\n", fn, bcErr.c_str());
delete ctx;
return false;
}
std::string eeError;
llvm::ExecutionEngine *ee = llvm::ExecutionEngine::createJIT(module, &eeError);
if (!ee) {
fprintf(stderr, "Unable to create ExecutionEngine: %s\n", eeError.c_str());
return false;
}
llvm::Function *func;
#define DO_FUNC(FUNC ,FUNCNAME) \
if ((func = module->getFunction(FUNCNAME)) != NULL) \
ee->addGlobalMapping(func, (void *)FUNC)
DO_FUNC(ISPCLaunch, "ISPCLaunch");
DO_FUNC(ISPCSync, "ISPCSync");
#ifdef ISPC_IS_WINDOWS
DO_FUNC(ISPCMalloc, "ISPCMalloc");
DO_FUNC(ISPCFree, "ISPCFree");
#endif // ISPC_IS_WINDOWS
DO_FUNC(putchar, "putchar");
DO_FUNC(printf, "printf");
DO_FUNC(fflush, "fflush");
DO_FUNC(sinf, "sinf");
DO_FUNC(cosf, "cosf");
DO_FUNC(tanf, "tanf");
DO_FUNC(atanf, "atanf");
DO_FUNC(atan2f, "atan2f");
DO_FUNC(powf, "powf");
DO_FUNC(expf, "expf");
DO_FUNC(logf, "logf");
DO_FUNC(sin, "sin");
DO_FUNC(cos, "cos");
DO_FUNC(tan, "tan");
DO_FUNC(atan, "atan");
DO_FUNC(atan2, "atan2");
DO_FUNC(pow, "pow");
DO_FUNC(exp, "exp");
DO_FUNC(log, "log");
DO_FUNC(memset, "memset");
#ifdef ISPC_IS_APPLE
DO_FUNC(memset_pattern4, "memset_pattern4");
DO_FUNC(memset_pattern8, "memset_pattern8");
DO_FUNC(memset_pattern16, "memset_pattern16");
#endif
#ifdef ISPC_HAVE_SVML
#define DO_SVML(FUNC ,FUNCNAME) \
if ((func = module->getFunction(FUNCNAME)) != NULL) \
ee->addGlobalMapping(func, (void *)FUNC)
#else
#define DO_SVML(FUNC, FUNCNAME) \
if ((func = module->getFunction(FUNCNAME)) != NULL) \
ee->addGlobalMapping(func, (void *)svml_missing)
#endif
DO_SVML(__svml_sinf4, "__svml_sinf4");
DO_SVML(__svml_cosf4, "__svml_cosf4");
DO_SVML(__svml_sincosf4, "__svml_sincosf4");
DO_SVML(__svml_tanf4, "__svml_tanf4");
DO_SVML(__svml_atanf4, "__svml_atanf4");
DO_SVML(__svml_atan2f4, "__svml_atan2f4");
DO_SVML(__svml_expf4, "__svml_expf4");
DO_SVML(__svml_logf4, "__svml_logf4");
DO_SVML(__svml_powf4, "__svml_powf4");
// figure out the vector width in the compiled code
func = module->getFunction("width");
if (!func) {
fprintf(stderr, "No width() function found!\n");
return false;
}
int width;
{
typedef int (*PFN)();
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
width = pfn();
assert(width == 4 || width == 8 || width == 12 || width == 16);
}
// find the value that returns the desired result
func = module->getFunction("result");
bool foundResult = (func != NULL);
float result[16];
for (int i = 0; i < 16; ++i)
result[i] = 0;
bool ok = true;
if (foundResult) {
typedef void (*PFN)(float *);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(result);
}
else
fprintf(stderr, "Warning: no result() function found.\n");
// try to find a function to run
float returned[16];
for (int i = 0; i < 16; ++i)
returned[i] = 0;
float vfloat[16] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
double vdouble[16] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
int vint[16] = { 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32 };
int vint2[16] = { 5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
if ((func = module->getFunction("f_v")) != NULL) {
typedef void (*PFN)(float *);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(returned);
}
else if ((func = module->getFunction("f_f")) != NULL) {
typedef void (*PFN)(float *, float *);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
llvm::verifyFunction(*func);
pfn(returned, vfloat);
}
else if ((func = module->getFunction("f_fu")) != NULL) {
typedef void (*PFN)(float *, float *, float fu);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
llvm::verifyFunction(*func);
pfn(returned, vfloat, 5.);
}
else if ((func = module->getFunction("f_fi")) != NULL) {
typedef void (*PFN)(float *, float *, int *);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(returned, vfloat, vint);
}
else if ((func = module->getFunction("f_du")) != NULL) {
typedef void (*PFN)(float *, double *, double);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(returned, vdouble, 5.);
}
else if ((func = module->getFunction("f_duf")) != NULL) {
typedef void (*PFN)(float *, double *, float);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(returned, vdouble, 5.f);
}
else if ((func = module->getFunction("f_di")) != NULL) {
typedef void (*PFN)(float *, double *, int *);
PFN pfn = reinterpret_cast<PFN>(ee->getPointerToFunction(func));
pfn(returned, vdouble, vint2);
}
else {
fprintf(stderr, "Unable to find runnable function in file \"%s\"\n", fn);
ok = false;
}
// see if we got the right result
if (ok) {
if (foundResult) {
for (int i = 0; i < width; ++i)
if (returned[i] != result[i]) {
ok = false;
fprintf(stderr, "Test \"%s\" RETURNED %d: %g / %a EXPECTED %g / %a\n",
fn, i, returned[i], returned[i], result[i], result[i]);
}
}
else {
for (int i = 0; i < width; ++i)
fprintf(stderr, "Test \"%s\" returned %d: %g / %a\n",
fn, i, returned[i], returned[i]);
}
}
delete ee;
delete ctx;
return ok && foundResult;
}
