Moving alloy/ into xenia/cpu/ to start simplifying things.

src/xenia/cpu/compiler/compiler.cc

@@ -0,0 +1,49 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/cpu/compiler/compiler.h"
+
+#include "xenia/cpu/compiler/compiler_pass.h"
+#include "xenia/profiling.h"
+
+namespace xe {
+namespace cpu {
+namespace compiler {
+
+using xe::cpu::hir::HIRBuilder;
+using xe::cpu::runtime::Runtime;
+
+Compiler::Compiler(Runtime* runtime) : runtime_(runtime) {}
+
+Compiler::~Compiler() { Reset(); }
+
+void Compiler::AddPass(std::unique_ptr<CompilerPass> pass) {
+  pass->Initialize(this);
+  passes_.push_back(std::move(pass));
+}
+
+void Compiler::Reset() {}
+
+int Compiler::Compile(HIRBuilder* builder) {
+  // TODO(benvanik): sophisticated stuff. Run passes in parallel, run until they
+  //                 stop changing things, etc.
+  for (size_t i = 0; i < passes_.size(); ++i) {
+    auto& pass = passes_[i];
+    scratch_arena_.Reset();
+    if (pass->Run(builder)) {
+      return 1;
+    }
+  }
+
+  return 0;
+}
+
+}  // namespace compiler
+}  // namespace cpu
+}  // namespace xe