lto_codegen_compile(lto_code_gen_t cg, size_t* length);
+/**
+ * Sets options to help debug codegen bugs.
+ */
+extern void
+lto_codegen_debug_options(lto_code_gen_t cg, const char *);
#ifdef __cplusplus
}
#endif
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Scalar.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Config/config.h"
return true;
}
-
void LTOCodeGenerator::addMustPreserveSymbol(const char* sym)
{
_mustPreserveSymbols[sym] = 1;
break;
}
+ for (unsigned opt_index = 0, opt_size = _codegenOptions.size();
+ opt_index < opt_size; ++opt_index) {
+ std::vector<const char *> cgOpts;
+ std::string &optString = _codegenOptions[opt_index];
+ for (std::string Opt = getToken(optString);
+ !Opt.empty(); Opt = getToken(optString))
+ cgOpts.push_back(Opt.c_str());
+
+ int pseudo_argc = cgOpts.size()-1;
+ cl::ParseCommandLineOptions(pseudo_argc, (char**)&cgOpts[0]);
+ }
+
// Instantiate the pass manager to organize the passes.
PassManager passes;
#include "llvm/Linker.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/SmallVector.h"
#include <string>
bool writeMergedModules(const char* path,
std::string& errMsg);
const void* compile(size_t* length, std::string& errMsg);
-
+ void setCodeGenDebugOptions(const char *opts) {
+ _codegenOptions.push_back(std::string(opts));
+ }
private:
bool generateAssemblyCode(std::ostream& out,
std::string& errMsg);
lto_codegen_model _codeModel;
StringSet _mustPreserveSymbols;
llvm::MemoryBuffer* _nativeObjectFile;
+ llvm::SmallVector<std::string, 4> _codegenOptions;
};
#endif // LTO_CODE_GENERATOR_H
return cg->compile(length, sLastErrorString);
}
+extern void
+lto_codegen_debug_options(lto_code_gen_t cg, const char * opt)
+{
+ cg->setCodeGenDebugOptions(opt);
+}
+