From 5be8c59ff14510d99149099a785e40c29885646c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Bylica?= <pawel.bylica@imapp.pl>
Date: Wed, 31 Dec 2014 17:53:46 +0100
Subject: [PATCH] Byte swap for constants

---
 libevmjit/Endianness.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libevmjit/Endianness.cpp b/libevmjit/Endianness.cpp
index c2cc1ef90f..be62ac0583 100644
--- a/libevmjit/Endianness.cpp
+++ b/libevmjit/Endianness.cpp
@@ -22,6 +22,9 @@ llvm::Value* Endianness::bswapIfLE(llvm::IRBuilder<>& _builder, llvm::Value* _wo
 
 	if (tester{1}.isLE)
 	{
+		if (auto constant = llvm::dyn_cast<llvm::ConstantInt>(_word))
+			return _builder.getInt(constant->getValue().byteSwap());
+
 		// OPT: Cache func declaration?
 		auto bswapFunc = llvm::Intrinsic::getDeclaration(_builder.GetInsertBlock()->getParent()->getParent(), llvm::Intrinsic::bswap, Type::Word);
 		return _builder.CreateCall(bswapFunc, _word);