Move compiler_llvm to art::llvm.
Also move the invoke stubs (soon to be removed) under compiler.
Start moving LLVM code under compiler. Will move GBC expander to dex/portable
once it is disentangled from other builds (moving toward solving Bug: 8195425).
Change-Id: I8829f9db6ade9ac8e32bd16198b90f83619769f1
diff --git a/src/compiler/llvm/runtime_support_builder_arm.cc b/src/compiler/llvm/runtime_support_builder_arm.cc
new file mode 100644
index 0000000..753ae9a
--- /dev/null
+++ b/src/compiler/llvm/runtime_support_builder_arm.cc
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "runtime_support_builder_arm.h"
+
+#include "ir_builder.h"
+#include "thread.h"
+#include "utils_llvm.h"
+
+#include <llvm/DerivedTypes.h>
+#include <llvm/Function.h>
+#include <llvm/InlineAsm.h>
+#include <llvm/Module.h>
+#include <llvm/Type.h>
+
+#include <vector>
+
+using namespace llvm;
+
+namespace {
+
+char LDRSTRSuffixByType(art::llvm::IRBuilder& irb, ::llvm::Type* type) {
+ int width = type->isPointerTy() ?
+ irb.getSizeOfPtrEquivInt()*8 :
+ ::llvm::cast<IntegerType>(type)->getBitWidth();
+ switch (width) {
+ case 8: return 'b';
+ case 16: return 'h';
+ case 32: return ' ';
+ default:
+ LOG(FATAL) << "Unsupported width: " << width;
+ return ' ';
+ }
+}
+
+} // namespace
+
+namespace art {
+namespace llvm {
+
+/* Thread */
+
+::llvm::Value* RuntimeSupportBuilderARM::EmitGetCurrentThread() {
+ Function* ori_func = GetRuntimeSupportFunction(runtime_support::GetCurrentThread);
+ InlineAsm* func = InlineAsm::get(ori_func->getFunctionType(), "mov $0, r9", "=r", false);
+ CallInst* thread = irb_.CreateCall(func);
+ thread->setDoesNotAccessMemory();
+ irb_.SetTBAA(thread, kTBAAConstJObject);
+ return thread;
+}
+
+::llvm::Value* RuntimeSupportBuilderARM::EmitLoadFromThreadOffset(int64_t offset, ::llvm::Type* type,
+ TBAASpecialType s_ty) {
+ FunctionType* func_ty = FunctionType::get(/*Result=*/type,
+ /*isVarArg=*/false);
+ std::string inline_asm(StringPrintf("ldr%c $0, [r9, #%d]",
+ LDRSTRSuffixByType(irb_, type),
+ static_cast<int>(offset)));
+ InlineAsm* func = InlineAsm::get(func_ty, inline_asm, "=r", true);
+ CallInst* result = irb_.CreateCall(func);
+ result->setOnlyReadsMemory();
+ irb_.SetTBAA(result, s_ty);
+ return result;
+}
+
+void RuntimeSupportBuilderARM::EmitStoreToThreadOffset(int64_t offset, ::llvm::Value* value,
+ TBAASpecialType s_ty) {
+ FunctionType* func_ty = FunctionType::get(/*Result=*/Type::getVoidTy(context_),
+ /*Params=*/value->getType(),
+ /*isVarArg=*/false);
+ std::string inline_asm(StringPrintf("str%c $0, [r9, #%d]",
+ LDRSTRSuffixByType(irb_, value->getType()),
+ static_cast<int>(offset)));
+ InlineAsm* func = InlineAsm::get(func_ty, inline_asm, "r", true);
+ CallInst* call_inst = irb_.CreateCall(func, value);
+ irb_.SetTBAA(call_inst, s_ty);
+}
+
+::llvm::Value*
+RuntimeSupportBuilderARM::EmitSetCurrentThread(::llvm::Value* thread) {
+ // Separate to two InlineAsm: The first one produces the return value, while the second,
+ // sets the current thread.
+ // LLVM can delete the first one if the caller in LLVM IR doesn't use the return value.
+ //
+ // Here we don't call EmitGetCurrentThread, because we mark it as DoesNotAccessMemory and
+ // ConstJObject. We denote side effect to "true" below instead, so LLVM won't
+ // reorder these instructions incorrectly.
+ Function* ori_func = GetRuntimeSupportFunction(runtime_support::GetCurrentThread);
+ InlineAsm* func = InlineAsm::get(ori_func->getFunctionType(), "mov $0, r9", "=r", true);
+ CallInst* old_thread_register = irb_.CreateCall(func);
+ old_thread_register->setOnlyReadsMemory();
+
+ FunctionType* func_ty = FunctionType::get(/*Result=*/Type::getVoidTy(context_),
+ /*Params=*/irb_.getJObjectTy(),
+ /*isVarArg=*/false);
+ func = InlineAsm::get(func_ty, "mov r9, $0", "r", true);
+ irb_.CreateCall(func, thread);
+ return old_thread_register;
+}
+
+
+/* Monitor */
+
+void RuntimeSupportBuilderARM::EmitLockObject(::llvm::Value* object) {
+ RuntimeSupportBuilder::EmitLockObject(object);
+ FunctionType* func_ty = FunctionType::get(/*Result=*/Type::getVoidTy(context_),
+ /*isVarArg=*/false);
+ InlineAsm* func = InlineAsm::get(func_ty, "dmb sy", "", true);
+ irb_.CreateCall(func);
+}
+
+void RuntimeSupportBuilderARM::EmitUnlockObject(::llvm::Value* object) {
+ RuntimeSupportBuilder::EmitUnlockObject(object);
+ FunctionType* func_ty = FunctionType::get(/*Result=*/Type::getVoidTy(context_),
+ /*isVarArg=*/false);
+ InlineAsm* func = InlineAsm::get(func_ty, "dmb sy", "", true);
+ irb_.CreateCall(func);
+}
+
+} // namespace llvm
+} // namespace art