JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode) {
- ExecutionEngine *EE = JIT::createJIT(MP, ErrorStr, JMM, OptLevel,
- GVsWithCode);
- if (!EE) return 0;
-
+ return JIT::createJIT(MP, ErrorStr, JMM, OptLevel, GVsWithCode);
+}
+
+ExecutionEngine *JIT::createJIT(ModuleProvider *MP,
+ std::string *ErrorStr,
+ JITMemoryManager *JMM,
+ CodeGenOpt::Level OptLevel,
+ bool GVsWithCode) {
// Make sure we can resolve symbols in the program as well. The zero arg
// to the function tells DynamicLibrary to load the program, not a library.
- sys::DynamicLibrary::LoadLibraryPermanently(0, ErrorStr);
- return EE;
+ if (sys::DynamicLibrary::LoadLibraryPermanently(0, ErrorStr))
+ return 0;
+
+ // Pick a target either via -march or by guessing the native arch.
+ TargetMachine *TM = JIT::selectTarget(MP, ErrorStr);
+ if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
+
+ // If the target supports JIT code generation, create a the JIT.
+ if (TargetJITInfo *TJ = TM->getJITInfo()) {
+ return new JIT(MP, *TM, *TJ, JMM, OptLevel, GVsWithCode);
+ } else {
+ if (ErrorStr)
+ *ErrorStr = "target does not support JIT code generation";
+ return 0;
+ }
}
JIT::JIT(ModuleProvider *MP, TargetMachine &tm, TargetJITInfo &tji,