fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Generating a lot of code!

Browse Source 
Still a few missing instructions/variants and other issues, but a big and
valid LLVM module is being generated.
This commit is contained in:
Ben Vanik
2013-01-22 00:22:27 -08:00
parent 791f14182c
commit 91f9e8b7bb
18 changed files with 1613 additions and 423 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/cpu/codegen/module_generator.cc
View File

@@ -104,6 +104,7 @@ int ModuleGenerator::Generate() {
}
break;
default:
XEASSERTALWAYS();
break;
}
}
@@ -139,6 +140,7 @@ void ModuleGenerator::AddMissingImport(FunctionSymbol* fn) {
AttributeSet attrs = AttributeSet::get(context, awi);
std::vector<Type*> args;
args.push_back(PointerType::getUnqual(Type::getInt8Ty(context)));
Type* return_type = Type::getInt32Ty(context);
FunctionType* ft = FunctionType::get(return_type,
@@ -148,6 +150,10 @@ void ModuleGenerator::AddMissingImport(FunctionSymbol* fn) {
f->setCallingConv(CallingConv::C);
f->setVisibility(GlobalValue::DefaultVisibility);
Function::arg_iterator fn_args = f->arg_begin();
Value* fn_arg = fn_args++;
fn_arg->setName("state");
// TODO(benvanik): log errors.
BasicBlock* block = BasicBlock::Create(context, "entry", f);
IRBuilder<> builder(block);
@@ -185,23 +191,21 @@ void ModuleGenerator::PrepareFunction(FunctionSymbol* fn) {
AttributeSet attrs = AttributeSet::get(context, awi);
std::vector<Type*> args;
args.push_back(PointerType::getUnqual(Type::getInt8Ty(context)));
Type* return_type = Type::getVoidTy(context);
char name[64];
char* pname = name;
if (fn->name) {
pname = fn->name;
} else {
xesnprintfa(name, XECOUNT(name), "sub_%.8X", fn->start_address);
}
FunctionType* ft = FunctionType::get(return_type,
ArrayRef<Type*>(args), false);
XEASSERTNOTNULL(fn->name);
Function* f = cast<Function>(
m->getOrInsertFunction(StringRef(pname), ft, attrs));
m->getOrInsertFunction(StringRef(fn->name), ft, attrs));
f->setCallingConv(CallingConv::C);
f->setVisibility(GlobalValue::DefaultVisibility);
Function::arg_iterator fn_args = f->arg_begin();
Value* fn_arg = fn_args++;
fn_arg->setName("state");
CodegenFunction* cgf = new CodegenFunction();
cgf->symbol = fn;
cgf->function_type = ft;
@@ -216,7 +220,8 @@ void ModuleGenerator::BuildFunction(CodegenFunction* cgf) {
printf("%s:\n", fn->name);
// Setup the generation context.
FunctionGenerator fgen(memory_, fn, context_, gen_module_, cgf->function);
FunctionGenerator fgen(
memory_, sdb_, fn, context_, gen_module_, cgf->function);
// Run through and generate each basic block.
fgen.GenerateBasicBlocks();
@@ -229,6 +234,7 @@ void ModuleGenerator::BuildFunction(CodegenFunction* cgf) {
void ModuleGenerator::OptimizeFunction(Module* m, Function* fn) {
FunctionPassManager pm(m);
#if XE_OPTION(OPTIMIZED)
PassManagerBuilder pmb;
pmb.OptLevel = 3;
pmb.SizeLevel = 0;
@@ -236,6 +242,7 @@ void ModuleGenerator::OptimizeFunction(Module* m, Function* fn) {
pmb.Vectorize = true;
pmb.LoopVectorize = true;
pmb.populateFunctionPassManager(pm);
#endif // XE_OPTION(OPTIMIZED)
pm.add(createVerifierPass());
pm.run(*fn);
}