//
// This file declares the LTOCodeGenerator class.
//
-// LTO compilation consists of three phases: Pre-IPO, IPO and Post-IPO.
+// LTO compilation consists of three phases: Pre-IPO, IPO and Post-IPO.
//
// The Pre-IPO phase compiles source code into bitcode file. The resulting
// bitcode files, along with object files and libraries, will be fed to the
// The IPO phase perform inter-procedural analyses and optimizations, and
// the Post-IPO consists two sub-phases: intra-procedural scalar optimizations
// (SOPT), and intra-procedural target-dependent code generator (CG).
-//
+//
// As of this writing, we don't separate IPO and the Post-IPO SOPT. They
// are intermingled together, and are driven by a single pass manager (see
// PassManagerBuilder::populateLTOPassManager()).
-//
-// The "LTOCodeGenerator" is the driver for the IPO and Post-IPO stages.
+//
+// The "LTOCodeGenerator" is the driver for the IPO and Post-IPO stages.
// The "CodeGenerator" here is bit confusing. Don't confuse the "CodeGenerator"
// with the machine specific code generator.
//
// not necessarily for debugging purpose (The function name is misleading).
// This function should be called before LTOCodeGenerator::compilexxx(),
// and LTOCodeGenerator::writeMergedModules().
- //
void setCodeGenDebugOptions(const char *opts);
-
+
// Parse the options set in setCodeGenDebugOptions. Like
// setCodeGenDebugOptions, this must be called before
// LTOCodeGenerator::compilexxx() and LTOCodeGenerator::writeMergedModules()
// NOTE that it is up to the linker to remove the intermediate object file.
// Do not try to remove the object file in LTOCodeGenerator's destructor
// as we don't who (LTOCodeGenerator or the obj file) will last longer.
- //
bool compile_to_file(const char **name,
bool disableOpt,
bool disableInline,
// single object file. Instead of returning the object-file-path to the caller
// (linker), it brings the object to a buffer, and return the buffer to the
// caller. This function should delete intermediate object file once its content
- // is brought to memory. Return NULL if the compilation was not successful.
- //
+ // is brought to memory. Return NULL if the compilation was not successful.
const void *compile(size_t *length,
bool disableOpt,
bool disableInline,
// Initialize LTO passes. Please keep this funciton in sync with
// PassManagerBuilder::populateLTOPassManager(), and make sure all LTO
-// passes are initialized.
-//
+// passes are initialized.
void LTOCodeGenerator::initializeLTOPasses() {
PassRegistry &R = *PassRegistry::getPassRegistry();
return true;
}
-bool LTOCodeGenerator::compile_to_file(const char** name,
+bool LTOCodeGenerator::compile_to_file(const char** name,
bool disableOpt,
bool disableInline,
bool disableGVNLoadPRE,
// Add an appropriate DataLayout instance for this module...
passes.add(new DataLayout(*TargetMach->getDataLayout()));
- // Add appropriate TargetLibraryInfo for this module.
+ // Add appropriate TargetLibraryInfo for this module.
passes.add(new TargetLibraryInfo(Triple(TargetMach->getTargetTriple())));
TargetMach->addAnalysisPasses(passes);