6 files changed, 23 insertions, 12 deletions
diff --git a/libsolidity/codegen/Compiler.h b/libsolidity/codegen/Compiler.h
index 06654486..f6865d75 100644
--- a/libsolidity/codegen/Compiler.h
+++ b/libsolidity/codegen/Compiler.h
@@ -22,22 +22,25 @@
 
 #pragma once
 
-#include <ostream>
-#include <functional>
 #include <libsolidity/codegen/CompilerContext.h>
+#include <libsolidity/interface/EVMVersion.h>
+
 #include <libevmasm/Assembly.h>
 
+#include <ostream>
+#include <functional>
+
 namespace dev {
 namespace solidity {
 
 class Compiler
 {
 public:
-	explicit Compiler(bool _optimize = false, unsigned _runs = 200):
+	explicit Compiler(EVMVersion _evmVersion = EVMVersion{}, bool _optimize = false, unsigned _runs = 200):
 		m_optimize(_optimize),
 		m_optimizeRuns(_runs),
-		m_runtimeContext(),
-		m_context(&m_runtimeContext)
+		m_runtimeContext(_evmVersion),
+		m_context(_evmVersion, &m_runtimeContext)
 	{ }
 
 	/// Compiles a contract.
diff --git a/libsolidity/codegen/CompilerContext.cpp b/libsolidity/codegen/CompilerContext.cpp
index 0198a107..ebf0213a 100644
--- a/libsolidity/codegen/CompilerContext.cpp
+++ b/libsolidity/codegen/CompilerContext.cpp
@@ -329,6 +329,7 @@ void CompilerContext::appendInlineAssembly(
 		analyzerResult = assembly::AsmAnalyzer(
 			analysisInfo,
 			errorReporter,
+			m_evmVersion,
 			assembly::AsmFlavour::Strict,
 			identifierAccess.resolve
 		).analyze(*parserResult);
diff --git a/libsolidity/codegen/CompilerContext.h b/libsolidity/codegen/CompilerContext.h
index a155a3a5..cf626683 100644
--- a/libsolidity/codegen/CompilerContext.h
+++ b/libsolidity/codegen/CompilerContext.h
@@ -24,6 +24,8 @@
 
 #include <libsolidity/codegen/ABIFunctions.h>
 
+#include <libsolidity/interface/EVMVersion.h>
+
 #include <libsolidity/ast/ASTForward.h>
 #include <libsolidity/ast/Types.h>
 #include <libsolidity/ast/ASTAnnotations.h>
@@ -50,14 +52,17 @@ namespace solidity {
 class CompilerContext
 {
 public:
-	explicit CompilerContext(CompilerContext* _runtimeContext = nullptr):
+	explicit CompilerContext(EVMVersion _evmVersion = EVMVersion{}, CompilerContext* _runtimeContext = nullptr):
 		m_asm(std::make_shared<eth::Assembly>()),
+		m_evmVersion(_evmVersion),
 		m_runtimeContext(_runtimeContext)
 	{
 		if (m_runtimeContext)
 			m_runtimeSub = size_t(m_asm->newSub(m_runtimeContext->m_asm).data());
 	}
 
+	EVMVersion const& evmVersion() const { return m_evmVersion; }
+
 	/// Update currently enabled set of experimental features.
 	void setExperimentalFeatures(std::set<ExperimentalFeature> const& _features) { m_experimentalFeatures = _features; }
 	/// @returns true if the given feature is enabled.
@@ -204,7 +209,7 @@ public:
 	void appendAuxiliaryData(bytes const& _data) { m_asm->appendAuxiliaryDataToEnd(_data); }
 
 	/// Run optimisation step.
-	void optimise(bool _fullOptimsation, unsigned _runs = 200) { m_asm->optimise(_fullOptimsation, true, _runs); }
+	void optimise(bool _fullOptimsation, unsigned _runs = 200) { m_asm->optimise(_fullOptimsation, m_evmVersion, true, _runs); }
 
 	/// @returns the runtime context if in creation mode and runtime context is set, nullptr otherwise.
 	CompilerContext* runtimeContext() { return m_runtimeContext; }
@@ -287,6 +292,8 @@ private:
 	} m_functionCompilationQueue;
 
 	eth::AssemblyPointer m_asm;
+	/// Version of the EVM to compile against.
+	EVMVersion m_evmVersion;
 	/// Activated experimental features.
 	std::set<ExperimentalFeature> m_experimentalFeatures;
 	/// Other already compiled contracts to be used in contract creation calls.
diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp
index ebb718a5..5a9498f0 100644
--- a/libsolidity/codegen/ContractCompiler.cpp
+++ b/libsolidity/codegen/ContractCompiler.cpp
@@ -1059,7 +1059,7 @@ void ContractCompiler::compileExpression(Expression const& _expression, TypePoin
 		CompilerUtils(m_context).convertType(*_expression.annotation().type, *_targetType);
 }
 
-eth::AssemblyPointer ContractCompiler::cloneRuntime()
+eth::AssemblyPointer ContractCompiler::cloneRuntime() const
 {
 	eth::Assembly a;
 	a << Instruction::CALLDATASIZE;
@@ -1070,7 +1070,7 @@ eth::AssemblyPointer ContractCompiler::cloneRuntime()
 	// this is the address which has to be substituted by the linker.
 	//@todo implement as special "marker" AssemblyItem.
 	a << u256("0xcafecafecafecafecafecafecafecafecafecafe");
-	a << u256(eth::GasCosts::callGas + 10) << Instruction::GAS << Instruction::SUB;
+	a << u256(eth::GasCosts::callGas(m_context.evmVersion()) + 10) << Instruction::GAS << Instruction::SUB;
 	a << Instruction::DELEGATECALL;
 	//Propagate error condition (if DELEGATECALL pushes 0 on stack).
 	a << Instruction::ISZERO;
diff --git a/libsolidity/codegen/ContractCompiler.h b/libsolidity/codegen/ContractCompiler.h
index d698dc71..8559ea58 100644
--- a/libsolidity/codegen/ContractCompiler.h
+++ b/libsolidity/codegen/ContractCompiler.h
@@ -43,7 +43,7 @@ public:
 		m_runtimeCompiler(_runtimeCompiler),
 		m_context(_context)
 	{
-		m_context = CompilerContext(_runtimeCompiler ? &_runtimeCompiler->m_context : nullptr);
+		m_context = CompilerContext(_context.evmVersion(), _runtimeCompiler ? &_runtimeCompiler->m_context : nullptr);
 	}
 
 	void compileContract(
@@ -125,7 +125,7 @@ private:
 	void compileExpression(Expression const& _expression, TypePointer const& _targetType = TypePointer());
 
 	/// @returns the runtime assembly for clone contracts.
-	static eth::AssemblyPointer cloneRuntime();
+	eth::AssemblyPointer cloneRuntime() const;
 
 	bool const m_optimise;
 	/// Pointer to the runtime compiler in case this is a creation compiler.
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 61920592..12881d63 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -1756,7 +1756,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
 	{
 		// send all gas except the amount needed to execute "SUB" and "CALL"
 		// @todo this retains too much gas for now, needs to be fine-tuned.
-		u256 gasNeededByCaller = eth::GasCosts::callGas + 10;
+		u256 gasNeededByCaller = eth::GasCosts::callGas(m_context.evmVersion()) + 10;
 		if (_functionType.valueSet())
 			gasNeededByCaller += eth::GasCosts::callValueTransferGas;
 		if (!existenceChecked)