static void
devUsage(int ret) {
lPrintVersion();
printf("\nusage (developer options): ispc\n");
printf(" [--debug]\t\t\t\tPrint information useful for debugging ispc\n");
printf(" [--fuzz-test]\t\t\tRandomly perturb program input to test error conditions\n");
printf(" [--fuzz-seed=<value>]\t\tSeed value for RNG for fuzz testing\n");
printf(" [--opt=<option>]\t\t\tSet optimization option\n");
printf(" disable-all-on-optimizations\t\tDisable optimizations that take advantage of \"all on\" mask\n");
printf(" disable-blended-masked-stores\t\tScalarize masked stores on SSE (vs. using vblendps)\n");
printf(" disable-blending-removal\t\tDisable eliminating blend at same scope\n");
printf(" disable-coalescing\t\t\tDisable gather coalescing\n");
printf(" disable-coherent-control-flow\t\tDisable coherent control flow optimizations\n");
printf(" disable-gather-scatter-flattening\tDisable flattening when all lanes are on\n");
printf(" disable-gather-scatter-optimizations\tDisable improvements to gather/scatter\n");
printf(" disable-handle-pseudo-memory-ops\tLeave __pseudo_* calls for gather/scatter/etc. in final IR\n");
printf(" disable-uniform-control-flow\t\tDisable uniform control flow optimizations\n");
printf(" disable-uniform-memory-optimizations\tDisable uniform-based coherent memory access\n");
printf(" [--yydebug]\t\t\t\tPrint debugging information during parsing\n");
printf(" [--debug-phase=<value>]\t\tSet optimization phases to dump. --debug-phase=first,210:220,300,305,310:last\n");
#if !defined(LLVM_3_2) && !defined(LLVM_3_3) // LLVM 3.4+
printf(" [--debug-ir=<value>]\t\tSet optimization phase to generate debugIR after it\n");
#endif
printf(" [--off-phase=<value>]\t\tSwitch off optimization phases. --off-phase=first,210:220,300,305,310:last\n");
exit(ret);
}
static void
usage(int ret) {
lPrintVersion();
printf("\nusage: ispc\n");
printf(" [--addressing={32,64}]\t\tSelect 32- or 64-bit addressing. (Note that 32-bit\n");
printf(" \t\taddressing calculations are done by default, even\n");
printf(" \t\ton 64-bit target architectures.)\n");
printf(" [--arch={%s}]\t\tSelect target architecture\n",
Target::SupportedTargetArchs());
printf(" [--c++-include-file=<name>]\t\tSpecify name of file to emit in #include statement in generated C++ code.\n");
#ifndef ISPC_IS_WINDOWS
printf(" [--colored-output]\t\tAlways use terminal colors in error/warning messages.\n");
#endif
printf(" [--cpu=<cpu>]\t\t\tSelect target CPU type\n");
printf(" <cpu>={%s}\n", Target::SupportedTargetCPUs().c_str());
printf(" [-D<foo>]\t\t\t\t#define given value when running preprocessor\n");
printf(" [--dev-stub <filename>]\t\tEmit device-side offload stub functions to file\n");
printf(" [--emit-asm]\t\t\tGenerate assembly language file as output\n");
printf(" [--emit-c++]\t\t\tEmit a C++ source file as output\n");
printf(" [--emit-llvm]\t\t\tEmit LLVM bitode file as output\n");
printf(" [--emit-obj]\t\t\tGenerate object file file as output (default)\n");
printf(" [-g]\t\t\t\tGenerate debugging information\n");
printf(" [--help]\t\t\t\tPrint help\n");
printf(" [--help-dev]\t\t\tPrint help for developer options\n");
printf(" [--host-stub <filename>]\t\tEmit host-side offload stub functions to file\n");
printf(" [-h <name>/--header-outfile=<name>]\tOutput filename for header\n");
printf(" [-I <path>]\t\t\t\tAdd <path> to #include file search path\n");
printf(" [--instrument]\t\t\tEmit instrumentation to gather performance data\n");
printf(" [--math-lib=<option>]\t\tSelect math library\n");
printf(" default\t\t\t\tUse ispc's built-in math functions\n");
printf(" fast\t\t\t\tUse high-performance but lower-accuracy math functions\n");
printf(" svml\t\t\t\tUse the Intel(r) SVML math libraries\n");
printf(" system\t\t\t\tUse the system's math library (*may be quite slow*)\n");
printf(" [-MMM <filename>\t\t\t\tWrite #include dependencies to given file.\n");
printf(" [--nostdlib]\t\t\tDon't make the ispc standard library available\n");
printf(" [--nocpp]\t\t\t\tDon't run the C preprocessor\n");
printf(" [-o <name>/--outfile=<name>]\tOutput filename (may be \"-\" for standard output)\n");
printf(" [-O0/-O1]\t\t\t\tSet optimization level (-O1 is default)\n");
printf(" [--opt=<option>]\t\t\tSet optimization option\n");
printf(" disable-assertions\t\tRemove assertion statements from final code.\n");
printf(" disable-fma\t\t\tDisable 'fused multiply-add' instructions (on targets that support them)\n");
printf(" disable-loop-unroll\t\tDisable loop unrolling.\n");
printf(" fast-masked-vload\t\tFaster masked vector loads on SSE (may go past end of array)\n");
printf(" fast-math\t\t\tPerform non-IEEE-compliant optimizations of numeric expressions\n");
printf(" force-aligned-memory\t\tAlways issue \"aligned\" vector load and store instructions\n");
#ifndef ISPC_IS_WINDOWS
printf(" [--pic]\t\t\t\tGenerate position-independent code\n");
#endif // !ISPC_IS_WINDOWS
printf(" [--quiet]\t\t\t\tSuppress all output\n");
printf(" [--target=<isa>]\t\t\tSelect target ISA. <isa>={%s}\n", Target::SupportedTargetISAs());
printf(" [--version]\t\t\t\tPrint ispc version\n");
printf(" [--werror]\t\t\t\tTreat warnings as errors\n");
printf(" [--woff]\t\t\t\tDisable warnings\n");
printf(" [--wno-perf]\t\t\tDon't issue warnings related to performance-related issues\n");
printf(" <file to compile or \"-\" for stdin>\n");
exit(ret);
}
int main(int Argc, char *Argv[]) {
int argc;
char *argv[128];
lGetAllArgs(Argc, Argv, argc, argv);
llvm::sys::AddSignalHandler(lSignal, NULL);
// initialize available LLVM targets
#ifndef __arm__
// FIXME: LLVM build on ARM doesn't build the x86 targets by default.
// It's not clear that anyone's going to want to generate x86 from an
// ARM host, though...
LLVMInitializeX86TargetInfo();
LLVMInitializeX86Target();
LLVMInitializeX86AsmPrinter();
LLVMInitializeX86AsmParser();
LLVMInitializeX86Disassembler();
LLVMInitializeX86TargetMC();
#endif // !__ARM__
#ifdef ISPC_ARM_ENABLED
// Generating ARM from x86 is more likely to be useful, though.
LLVMInitializeARMTargetInfo();
LLVMInitializeARMTarget();
LLVMInitializeARMAsmPrinter();
LLVMInitializeARMAsmParser();
LLVMInitializeARMDisassembler();
LLVMInitializeARMTargetMC();
#endif
#ifdef ISPC_NVPTX_ENABLED
LLVMInitializeNVPTXTargetInfo();
LLVMInitializeNVPTXTarget();
LLVMInitializeNVPTXAsmPrinter();
LLVMInitializeNVPTXTargetMC();
#endif /* ISPC_NVPTX_ENABLED */
char *file = NULL;
const char *headerFileName = NULL;
const char *outFileName = NULL;
const char *includeFileName = NULL;
const char *depsFileName = NULL;
const char *hostStubFileName = NULL;
const char *devStubFileName = NULL;
// Initiailize globals early so that we can set various option values
// as we're parsing below
g = new Globals;
Module::OutputType ot = Module::Object;
bool generatePIC = false;
const char *arch = NULL, *cpu = NULL, *target = NULL;
for (int i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "--help"))
usage(0);
if (!strcmp(argv[i], "--help-dev"))
devUsage(0);
else if (!strncmp(argv[i], "-D", 2))
g->cppArgs.push_back(argv[i]);
else if (!strncmp(argv[i], "--addressing=", 13)) {
if (atoi(argv[i] + 13) == 64)
// FIXME: this doesn't make sense on 32 bit platform.
g->opt.force32BitAddressing = false;
else if (atoi(argv[i] + 13) == 32)
g->opt.force32BitAddressing = true;
else {
fprintf(stderr, "Addressing width \"%s\" invalid--only 32 and "
"64 are allowed.\n", argv[i]+13);
usage(1);
}
}
else if (!strncmp(argv[i], "--arch=", 7))
arch = argv[i] + 7;
else if (!strncmp(argv[i], "--cpu=", 6))
cpu = argv[i] + 6;
else if (!strcmp(argv[i], "--fast-math")) {
fprintf(stderr, "--fast-math option has been renamed to --opt=fast-math!\n");
usage(1);
}
else if (!strcmp(argv[i], "--fast-masked-vload")) {
fprintf(stderr, "--fast-masked-vload option has been renamed to "
"--opt=fast-masked-vload!\n");
usage(1);
}
else if (!strcmp(argv[i], "--debug"))
g->debugPrint = true;
else if (!strcmp(argv[i], "--instrument"))
g->emitInstrumentation = true;
else if (!strcmp(argv[i], "-g")) {
g->generateDebuggingSymbols = true;
}
else if (!strcmp(argv[i], "--emit-asm"))
ot = Module::Asm;
else if (!strcmp(argv[i], "--emit-c++"))
ot = Module::CXX;
else if (!strcmp(argv[i], "--emit-llvm"))
ot = Module::Bitcode;
else if (!strcmp(argv[i], "--emit-obj"))
ot = Module::Object;
else if (!strcmp(argv[i], "-I")) {
if (++i == argc) {
fprintf(stderr, "No path specified after -I option.\n");
usage(1);
}
lParseInclude(argv[i]);
}
else if (!strncmp(argv[i], "-I", 2))
lParseInclude(argv[i]+2);
else if (!strcmp(argv[i], "--fuzz-test"))
g->enableFuzzTest = true;
else if (!strncmp(argv[i], "--fuzz-seed=", 12))
g->fuzzTestSeed = atoi(argv[i] + 12);
else if (!strcmp(argv[i], "--target")) {
// FIXME: should remove this way of specifying the target...
if (++i == argc) {
fprintf(stderr, "No target specified after --target option.\n");
usage(1);
}
target = argv[i];
}
else if (!strncmp(argv[i], "--target=", 9))
target = argv[i] + 9;
else if (!strncmp(argv[i], "--math-lib=", 11)) {
const char *lib = argv[i] + 11;
if (!strcmp(lib, "default"))
g->mathLib = Globals::Math_ISPC;
else if (!strcmp(lib, "fast"))
g->mathLib = Globals::Math_ISPCFast;
else if (!strcmp(lib, "svml"))
g->mathLib = Globals::Math_SVML;
else if (!strcmp(lib, "system"))
g->mathLib = Globals::Math_System;
else {
fprintf(stderr, "Unknown --math-lib= option \"%s\".\n", lib);
usage(1);
}
}
else if (!strncmp(argv[i], "--opt=", 6)) {
const char *opt = argv[i] + 6;
if (!strcmp(opt, "fast-math"))
g->opt.fastMath = true;
else if (!strcmp(opt, "fast-masked-vload"))
g->opt.fastMaskedVload = true;
else if (!strcmp(opt, "disable-assertions"))
g->opt.disableAsserts = true;
else if (!strcmp(opt, "disable-loop-unroll"))
g->opt.unrollLoops = false;
else if (!strcmp(opt, "disable-fma"))
g->opt.disableFMA = true;
else if (!strcmp(opt, "force-aligned-memory"))
g->opt.forceAlignedMemory = true;
// These are only used for performance tests of specific
// optimizations
else if (!strcmp(opt, "disable-all-on-optimizations"))
g->opt.disableMaskAllOnOptimizations = true;
else if (!strcmp(opt, "disable-coalescing"))
g->opt.disableCoalescing = true;
else if (!strcmp(opt, "disable-handle-pseudo-memory-ops"))
g->opt.disableHandlePseudoMemoryOps = true;
else if (!strcmp(opt, "disable-blended-masked-stores"))
g->opt.disableBlendedMaskedStores = true;
else if (!strcmp(opt, "disable-coherent-control-flow"))
g->opt.disableCoherentControlFlow = true;
else if (!strcmp(opt, "disable-uniform-control-flow"))
g->opt.disableUniformControlFlow = true;
else if (!strcmp(opt, "disable-gather-scatter-optimizations"))
g->opt.disableGatherScatterOptimizations = true;
else if (!strcmp(opt, "disable-blending-removal"))
g->opt.disableMaskedStoreToStore = true;
else if (!strcmp(opt, "disable-gather-scatter-flattening"))
g->opt.disableGatherScatterFlattening = true;
else if (!strcmp(opt, "disable-uniform-memory-optimizations"))
g->opt.disableUniformMemoryOptimizations = true;
else {
fprintf(stderr, "Unknown --opt= option \"%s\".\n", opt);
usage(1);
}
}
else if (!strncmp(argv[i], "--force-alignment=", 18)) {
g->forceAlignment = atoi(argv[i] + 18);
}
else if (!strcmp(argv[i], "--woff") || !strcmp(argv[i], "-woff")) {
g->disableWarnings = true;
g->emitPerfWarnings = false;
}
else if (!strcmp(argv[i], "--werror"))
g->warningsAsErrors = true;
else if (!strcmp(argv[i], "--nowrap"))
g->disableLineWrap = true;
else if (!strcmp(argv[i], "--wno-perf") || !strcmp(argv[i], "-wno-perf"))
g->emitPerfWarnings = false;
else if (!strcmp(argv[i], "-o")) {
if (++i == argc) {
fprintf(stderr, "No output file specified after -o option.\n");
usage(1);
}
outFileName = argv[i];
}
else if (!strncmp(argv[i], "--outfile=", 10))
outFileName = argv[i] + strlen("--outfile=");
else if (!strcmp(argv[i], "-h")) {
if (++i == argc) {
fprintf(stderr, "No header file name specified after -h option.\n");
usage(1);
}
headerFileName = argv[i];
}
else if (!strncmp(argv[i], "--header-outfile=", 17)) {
headerFileName = argv[i] + strlen("--header-outfile=");
}
else if (!strncmp(argv[i], "--c++-include-file=", 19)) {
includeFileName = argv[i] + strlen("--c++-include-file=");
}
else if (!strcmp(argv[i], "-O0")) {
g->opt.level = 0;
}
else if (!strcmp(argv[i], "-O") || !strcmp(argv[i], "-O1") ||
!strcmp(argv[i], "-O2") || !strcmp(argv[i], "-O3")) {
g->opt.level = 1;
}
else if (!strcmp(argv[i], "-"))
;
else if (!strcmp(argv[i], "--nostdlib"))
g->includeStdlib = false;
else if (!strcmp(argv[i], "--nocpp"))
g->runCPP = false;
#ifndef ISPC_IS_WINDOWS
else if (!strcmp(argv[i], "--pic"))
generatePIC = true;
else if (!strcmp(argv[i], "--colored-output"))
g->forceColoredOutput = true;
#endif // !ISPC_IS_WINDOWS
else if (!strcmp(argv[i], "--quiet"))
g->quiet = true;
else if (!strcmp(argv[i], "--yydebug")) {
extern int yydebug;
yydebug = 1;
}
else if (!strcmp(argv[i], "-MMM")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after -MMM option.\n");
usage(1);
}
depsFileName = argv[i];
}
else if (!strcmp(argv[i], "--dev-stub")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after --dev-stub option.\n");
usage(1);
}
devStubFileName = argv[i];
}
else if (!strcmp(argv[i], "--host-stub")) {
if (++i == argc) {
fprintf(stderr, "No output file name specified after --host-stub option.\n");
usage(1);
}
hostStubFileName = argv[i];
}
else if (strncmp(argv[i], "--debug-phase=", 14) == 0) {
fprintf(stderr, "WARNING: Adding debug phases may change the way PassManager"
"handles the phases and it may possibly make some bugs go"
"away or introduce the new ones.\n");
g->debug_stages = ParsingPhases(argv[i] + strlen("--debug-phase="));
}
#if !defined(LLVM_3_2) && !defined(LLVM_3_3) // LLVM 3.4+
else if (strncmp(argv[i], "--debug-ir=", 11) == 0) {
g->debugIR = ParsingPhaseName(argv[i] + strlen("--debug-ir="));
}
#endif
else if (strncmp(argv[i], "--off-phase=", 12) == 0) {
g->off_stages = ParsingPhases(argv[i] + strlen("--off-phase="));
}
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) {
lPrintVersion();
return 0;
}
else if (argv[i][0] == '-') {
fprintf(stderr, "Unknown option \"%s\".\n", argv[i]);
usage(1);
}
else {
if (file != NULL) {
fprintf(stderr, "Multiple input files specified on command "
"line: \"%s\" and \"%s\".\n", file, argv[i]);
usage(1);
}
else
file = argv[i];
}
}
if (g->enableFuzzTest) {
if (g->fuzzTestSeed == -1) {
#ifdef ISPC_IS_WINDOWS
int seed = (unsigned)time(NULL);
#else
int seed = getpid();
#endif
g->fuzzTestSeed = seed;
Warning(SourcePos(), "Using seed %d for fuzz testing",
g->fuzzTestSeed);
}
#ifdef ISPC_IS_WINDOWS
srand(g->fuzzTestSeed);
#else
srand48(g->fuzzTestSeed);
#endif
}
if (outFileName == NULL &&
headerFileName == NULL &&
depsFileName == NULL &&
hostStubFileName == NULL &&
devStubFileName == NULL)
Warning(SourcePos(), "No output file or header file name specified. "
"Program will be compiled and warnings/errors will "
"be issued, but no output will be generated.");
return Module::CompileAndOutput(file, arch, cpu, target, generatePIC,
ot,
outFileName,
headerFileName,
includeFileName,
depsFileName,
hostStubFileName,
devStubFileName);
}
int main(int Argc, char *Argv[]) {
int argc;
char *argv[128];
lGetAllArgs(Argc, Argv, argc, argv);
llvm::sys::AddSignalHandler(lSignal, NULL);
// initialize available LLVM targets
LLVMInitializeX86TargetInfo();
LLVMInitializeX86Target();
LLVMInitializeX86AsmPrinter();
LLVMInitializeX86AsmParser();
LLVMInitializeX86Disassembler();
LLVMInitializeX86TargetMC();
char *file = NULL;
const char *headerFileName = NULL;
const char *outFileName = NULL;
const char *includeFileName = NULL;
// Initiailize globals early so that we can set various option values
// as we're parsing below
g = new Globals;
bool debugSet = false, optSet = false;
Module::OutputType ot = Module::Object;
bool generatePIC = false;
const char *arch = NULL, *cpu = NULL, *target = NULL;
for (int i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "--help"))
usage(0);
if (!strcmp(argv[i], "--help-dev"))
devUsage(0);
else if (!strncmp(argv[i], "-D", 2))
g->cppArgs.push_back(argv[i]);
else if (!strncmp(argv[i], "--addressing=", 13)) {
if (atoi(argv[i] + 13) == 64)
g->opt.force32BitAddressing = false;
else if (atoi(argv[i] + 13) == 32)
g->opt.force32BitAddressing = true;
else {
fprintf(stderr, "Addressing width \"%s\" invalid--only 32 and "
"64 are allowed.\n", argv[i]+13);
usage(1);
}
}
else if (!strncmp(argv[i], "--arch=", 7))
arch = argv[i] + 7;
else if (!strncmp(argv[i], "--cpu=", 6))
cpu = argv[i] + 6;
else if (!strcmp(argv[i], "--fast-math")) {
fprintf(stderr, "--fast-math option has been renamed to --opt=fast-math!\n");
usage(1);
}
else if (!strcmp(argv[i], "--fast-masked-vload")) {
fprintf(stderr, "--fast-masked-vload option has been renamed to "
"--opt=fast-masked-vload!\n");
usage(1);
}
else if (!strcmp(argv[i], "--debug"))
g->debugPrint = true;
else if (!strcmp(argv[i], "--instrument"))
g->emitInstrumentation = true;
else if (!strcmp(argv[i], "-g")) {
g->generateDebuggingSymbols = true;
debugSet = true;
}
else if (!strcmp(argv[i], "--emit-asm"))
ot = Module::Asm;
else if (!strcmp(argv[i], "--emit-c++"))
ot = Module::CXX;
else if (!strcmp(argv[i], "--emit-llvm"))
ot = Module::Bitcode;
else if (!strcmp(argv[i], "--emit-obj"))
ot = Module::Object;
else if (!strcmp(argv[i], "-I")) {
if (++i == argc) {
fprintf(stderr, "No path specified after -I option.\n");
usage(1);
}
g->includePath.push_back(argv[i]);
}
else if (!strncmp(argv[i], "-I", 2))
g->includePath.push_back(argv[i]+2);
else if (!strcmp(argv[i], "--fuzz-test"))
g->enableFuzzTest = true;
else if (!strncmp(argv[i], "--fuzz-seed=", 12))
g->fuzzTestSeed = atoi(argv[i] + 12);
else if (!strcmp(argv[i], "--target")) {
// FIXME: should remove this way of specifying the target...
if (++i == argc) {
fprintf(stderr, "No target specified after --target option.\n");
usage(1);
}
target = argv[i];
}
else if (!strncmp(argv[i], "--target=", 9))
target = argv[i] + 9;
else if (!strncmp(argv[i], "--math-lib=", 11)) {
const char *lib = argv[i] + 11;
if (!strcmp(lib, "default"))
g->mathLib = Globals::Math_ISPC;
else if (!strcmp(lib, "fast"))
g->mathLib = Globals::Math_ISPCFast;
else if (!strcmp(lib, "svml"))
g->mathLib = Globals::Math_SVML;
else if (!strcmp(lib, "system"))
g->mathLib = Globals::Math_System;
else {
fprintf(stderr, "Unknown --math-lib= option \"%s\".\n", lib);
usage(1);
}
}
else if (!strncmp(argv[i], "--opt=", 6)) {
const char *opt = argv[i] + 6;
if (!strcmp(opt, "fast-math"))
g->opt.fastMath = true;
else if (!strcmp(opt, "fast-masked-vload"))
g->opt.fastMaskedVload = true;
else if (!strcmp(opt, "disable-assertions"))
g->opt.disableAsserts = true;
else if (!strcmp(opt, "disable-loop-unroll"))
g->opt.unrollLoops = false;
// These are only used for performance tests of specific
// optimizations
else if (!strcmp(opt, "disable-all-on-optimizations"))
g->opt.disableMaskAllOnOptimizations = true;
else if (!strcmp(opt, "disable-coalescing"))
g->opt.disableCoalescing = true;
else if (!strcmp(opt, "disable-handle-pseudo-memory-ops"))
g->opt.disableHandlePseudoMemoryOps = true;
else if (!strcmp(opt, "disable-blended-masked-stores"))
g->opt.disableBlendedMaskedStores = true;
else if (!strcmp(opt, "disable-coherent-control-flow"))
g->opt.disableCoherentControlFlow = true;
else if (!strcmp(opt, "disable-uniform-control-flow"))
g->opt.disableUniformControlFlow = true;
else if (!strcmp(opt, "disable-gather-scatter-optimizations"))
g->opt.disableGatherScatterOptimizations = true;
else if (!strcmp(opt, "disable-blending-removal"))
g->opt.disableMaskedStoreToStore = true;
else if (!strcmp(opt, "disable-gather-scatter-flattening"))
g->opt.disableGatherScatterFlattening = true;
else if (!strcmp(opt, "disable-uniform-memory-optimizations"))
g->opt.disableUniformMemoryOptimizations = true;
else {
fprintf(stderr, "Unknown --opt= option \"%s\".\n", opt);
usage(1);
}
}
else if (!strcmp(argv[i], "--woff") || !strcmp(argv[i], "-woff")) {
g->disableWarnings = true;
g->emitPerfWarnings = false;
}
else if (!strcmp(argv[i], "--werror"))
g->warningsAsErrors = true;
else if (!strcmp(argv[i], "--nowrap"))
g->disableLineWrap = true;
else if (!strcmp(argv[i], "--wno-perf") || !strcmp(argv[i], "-wno-perf"))
g->emitPerfWarnings = false;
else if (!strcmp(argv[i], "-o")) {
if (++i == argc) {
fprintf(stderr, "No output file specified after -o option.\n");
usage(1);
}
outFileName = argv[i];
}
else if (!strncmp(argv[i], "--outfile=", 10))
outFileName = argv[i] + strlen("--outfile=");
else if (!strcmp(argv[i], "-h")) {
if (++i == argc) {
fprintf(stderr, "No header file name specified after -h option.\n");
usage(1);
}
headerFileName = argv[i];
}
else if (!strncmp(argv[i], "--header-outfile=", 17)) {
headerFileName = argv[i] + strlen("--header-outfile=");
}
else if (!strncmp(argv[i], "--c++-include-file=", 19)) {
includeFileName = argv[i] + strlen("--c++-include-file=");
}
else if (!strcmp(argv[i], "-O0")) {
g->opt.level = 0;
optSet = true;
}
else if (!strcmp(argv[i], "-O") || !strcmp(argv[i], "-O1") ||
!strcmp(argv[i], "-O2") || !strcmp(argv[i], "-O3")) {
g->opt.level = 1;
optSet = true;
}
else if (!strcmp(argv[i], "-"))
;
else if (!strcmp(argv[i], "--nostdlib"))
g->includeStdlib = false;
else if (!strcmp(argv[i], "--nocpp"))
g->runCPP = false;
#ifndef ISPC_IS_WINDOWS
else if (!strcmp(argv[i], "--pic"))
generatePIC = true;
#endif // !ISPC_IS_WINDOWS
else if (!strcmp(argv[i], "--quiet"))
g->quiet = true;
else if (!strcmp(argv[i], "--yydebug")) {
extern int yydebug;
yydebug = 1;
}
else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) {
lPrintVersion();
return 0;
}
else if (argv[i][0] == '-') {
fprintf(stderr, "Unknown option \"%s\".\n", argv[i]);
usage(1);
}
else {
if (file != NULL) {
fprintf(stderr, "Multiple input files specified on command "
"line: \"%s\" and \"%s\".\n", file, argv[i]);
usage(1);
}
else
file = argv[i];
}
}
// If the user specified -g, then the default optimization level is 0.
// If -g wasn't specified, the default optimization level is 1 (full
// optimization).
if (debugSet && !optSet)
g->opt.level = 0;
if (g->enableFuzzTest) {
if (g->fuzzTestSeed == -1) {
#ifdef ISPC_IS_WINDOWS
int seed = (unsigned)time(NULL);
#else
int seed = getpid();
#endif
g->fuzzTestSeed = seed;
Warning(SourcePos(), "Using seed %d for fuzz testing",
g->fuzzTestSeed);
}
#ifdef ISPC_IS_WINDOWS
srand(g->fuzzTestSeed);
#else
srand48(g->fuzzTestSeed);
#endif
}
if (outFileName == NULL && headerFileName == NULL)
Warning(SourcePos(), "No output file or header file name specified. "
"Program will be compiled and warnings/errors will "
"be issued, but no output will be generated.");
return Module::CompileAndOutput(file, arch, cpu, target, generatePIC,
ot, outFileName, headerFileName,
includeFileName);
}