SUICIDE instruction

[Delivers #79510898]

evmcc/Compiler.cpp

@@ -150,6 +150,7 @@ void Compiler::createBasicBlocks(const dev::bytes& bytecode)
 
 		case Instruction::RETURN:
 		case Instruction::STOP:
+		case Instruction::SUICIDE:
 		{
 			// Create a basic block starting at the following instruction.
 			if (curr + 1 < bytecode.cend())
@@ -761,6 +762,12 @@ std::unique_ptr<llvm::Module> Compiler::compile(const dev::bytes& bytecode)
 			break;
 		}
 
+		case Instruction::SUICIDE:
+		{
+			auto address = stack.pop();
+			ext.suicide(address);
+			// Fall through
+		}
 		case Instruction::STOP:
 		{
 			builder.CreateRet(builder.getInt64(0));

evmcc/Ext.cpp

@@ -85,6 +85,7 @@ Ext::Ext(llvm::IRBuilder<>& _builder, llvm::Module* module)
 	m_setStore = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_setStore", module);
 	m_calldataload = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_calldataload", module);
 	m_balance = Function::Create(TypeBuilder<void(i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_balance", module);
+	m_suicide = Function::Create(TypeBuilder<void(i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_suicide", module);
 	m_create = Function::Create(TypeBuilder<void(i<256>*, i<256>*, i<256>*, i<256>*), true>::get(ctx), Linkage::ExternalLinkage, "ext_create", module);
 	Type* args[] = {i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy, i256PtrTy};
 	m_call = Function::Create(FunctionType::get(m_builder.getVoidTy(), args, false), Linkage::ExternalLinkage, "ext_call", module);
@@ -147,6 +148,13 @@ Value* Ext::balance(Value* _address)
 	return m_builder.CreateLoad(m_args[1]);
 }
 
+void Ext::suicide(Value* _address)
+{
+	auto address = bswap(_address); // to BE
+	m_builder.CreateStore(address, m_args[0]);
+	m_builder.CreateCall(m_suicide, m_args[0]);
+}
+
 Value* Ext::create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize)
 {
 	m_builder.CreateStore(_endowment, m_args[0]);
@@ -225,6 +233,11 @@ EXPORT void ext_balance(h256* _address, i256* _value)
 	*_value = eth2llvm(u);
 }
 
+EXPORT void ext_suicide(h256* _address)
+{
+	Runtime::getExt().suicide(dev::right160(*_address));
+}
+
 EXPORT void ext_create(i256* _endowment, i256* _initOff, i256* _initSize, h256* _address)
 {
 	auto&& ext = Runtime::getExt();

evmcc/Ext.h

@@ -33,6 +33,7 @@ public:
 	llvm::Value* gaslimit();
 
 	llvm::Value* balance(llvm::Value* _address);
+	void suicide(llvm::Value* _address);
 	llvm::Value* calldataload(llvm::Value* _index);
 	llvm::Value* create(llvm::Value* _endowment, llvm::Value* _initOff, llvm::Value* _initSize);
 	llvm::Value* call(llvm::Value* _gas, llvm::Value* _receiveAddress, llvm::Value* _value, llvm::Value* _inOff, llvm::Value* _inSize, llvm::Value* _outOff, llvm::Value* _outSize);
@@ -58,6 +59,7 @@ private:
 	llvm::Function* m_setStore;
 	llvm::Function* m_calldataload;
 	llvm::Function* m_balance;
+	llvm::Function* m_suicide;
 	llvm::Function* m_create;
 	llvm::Function* m_call;
 	llvm::Function* m_bswap;

evmcc/bytecode/ext_test.evm

@@ -1 +1 @@
-5a3031333234363a4041424344455a36600035602635601335387f1111222233334444555566667777888899990000aaaabbbbccccddddeeeeffff600054602060006000f06020600060206000600030610bb8f10060016002f2
+5a3031333234363a4041424344455a36600035602635601335387f1111222233334444555566667777888899990000aaaabbbbccccddddeeeeffff600054602060006000f06020600060206000600030610bb8f130ff60016002f2

evmcc/lll/ext_test.lll

@@ -38,7 +38,8 @@ CREATE
 ADDRESS
 3000
 CALL
-STOP
+ADDRESS
+SUICIDE
 1
 2
 RETURN