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Adding gflags to handle command line flags.

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It sucks, but is the best there is without using boost.
This commit is contained in:
Ben Vanik
2013-01-23 21:31:23 -08:00
parent 01fee047f7
commit 860a0739ec
14 changed files with 183 additions and 35 deletions
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63
src/cpu/exec_module.cc
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@@ -31,6 +31,7 @@
#include <xenia/cpu/codegen/module_generator.h>
#include <xenia/cpu/sdb.h>
#include "cpu/cpu-private.h"
#include "cpu/xethunk/xethunk.h"
@@ -67,6 +68,8 @@ int ExecModule::Prepare() {
int result_code = 1;
std::string error_message;
char file_name[2048];
OwningPtr<MemoryBuffer> shared_module_buffer;
auto_ptr<Module> shared_module;
auto_ptr<raw_ostream> outs;
@@ -80,7 +83,7 @@ int ExecModule::Prepare() {
// Calculate a cache path based on the module, the CPU version, and other
// bits.
// TODO(benvanik): cache path calculation.
const char *cache_path = "build/generated.bc";
//const char *cache_path = "build/generated.bc";
// Check the cache to see if the bitcode exists.
// If it does, load that module directly. In the future we could also cache
@@ -104,6 +107,13 @@ int ExecModule::Prepare() {
// Analyze the module and add its symbols to the symbol database.
XEEXPECTZERO(sdb_->Analyze());
// Dump the symbol database.
if (FLAGS_dump_module_map) {
xesnprintf(file_name, XECOUNT(file_name),
"%s%s.map", FLAGS_dump_path.c_str(), module_->name());
sdb_->Write(file_name);
}
// Initialize the module.
gen_module_ = shared_ptr<Module>(
new Module(module_->name(), *context_.get()));
@@ -126,13 +136,18 @@ int ExecModule::Prepare() {
context_.get(), gen_module_.get()));
XEEXPECTZERO(codegen_->Generate());
gen_module_->dump();
// Write to cache.
outs = auto_ptr<raw_ostream>(new raw_fd_ostream(
cache_path, error_message, raw_fd_ostream::F_Binary));
XEEXPECTTRUE(error_message.empty());
WriteBitcodeToFile(gen_module_.get(), *outs);
// TODO(benvanik): cache stuff
// Dump pre-optimized module to disk.
if (FLAGS_dump_module_bitcode) {
xesnprintf(file_name, XECOUNT(file_name),
"%s%s-preopt.bc", FLAGS_dump_path.c_str(), module_->name());
outs = auto_ptr<raw_ostream>(new raw_fd_ostream(
file_name, error_message, raw_fd_ostream::F_Binary));
XEEXPECTTRUE(error_message.empty());
WriteBitcodeToFile(gen_module_.get(), *outs);
}
}
// Link optimizations.
@@ -143,19 +158,29 @@ int ExecModule::Prepare() {
// Run full module optimizations.
pm.add(new DataLayout(gen_module_.get()));
#if XE_OPTION(OPTIMIZED)
pm.add(createVerifierPass());
pmb.OptLevel = 3;
pmb.SizeLevel = 0;
pmb.Inliner = createFunctionInliningPass();
pmb.Vectorize = true;
pmb.LoopVectorize = true;
pmb.populateModulePassManager(pm);
pmb.populateLTOPassManager(pm, false, true);
#endif // XE_OPTION(OPTIMIZED)
if (FLAGS_optimize_ir_modules) {
pm.add(createVerifierPass());
pmb.OptLevel = 3;
pmb.SizeLevel = 0;
pmb.Inliner = createFunctionInliningPass();
pmb.Vectorize = true;
pmb.LoopVectorize = true;
pmb.populateModulePassManager(pm);
pmb.populateLTOPassManager(pm, false, true);
}
pm.add(createVerifierPass());
pm.run(*gen_module_);
// Dump post-optimized module to disk.
if (FLAGS_optimize_ir_modules && FLAGS_dump_module_bitcode) {
xesnprintf(file_name, XECOUNT(file_name),
"%s%s.bc", FLAGS_dump_path.c_str(), module_->name());
outs = auto_ptr<raw_ostream>(new raw_fd_ostream(
file_name, error_message, raw_fd_ostream::F_Binary));
XEEXPECTTRUE(error_message.empty());
WriteBitcodeToFile(gen_module_.get(), *outs);
}
// TODO(benvanik): experiment with LLD to see if we can write out a dll.
// Initialize the module.
@@ -225,6 +250,6 @@ int ExecModule::Uninit() {
}
void ExecModule::Dump() {
// sdb_->Dump();
// gen_module_->dump();
sdb_->Dump();
gen_module_->dump();
}