Take special functions that require literals into account.

1 files changed, 6 insertions, 0 deletions

diff --git a/libyul/optimiser/ExpressionSplitter.cpp b/libyul/optimiser/ExpressionSplitter.cpp
index a3b2dc11..334e33f4 100644
--- a/libyul/optimiser/ExpressionSplitter.cpp
+++ b/libyul/optimiser/ExpressionSplitter.cpp
@@ -24,6 +24,7 @@
 #include <libyul/optimiser/ASTWalker.h>
 
 #include <libyul/AsmData.h>
+#include <libyul/Dialect.h>
 
 #include <libdevcore/CommonData.h>
 
@@ -43,6 +44,11 @@ void ExpressionSplitter::operator()(FunctionalInstruction& _instruction)
 
 void ExpressionSplitter::operator()(FunctionCall& _funCall)
 {
+	if (BuiltinFunction const* builtin = m_dialect.builtin(_funCall.functionName.name))
+		if (builtin->literalArguments)
+			// We cannot outline function arguments that have to be literals
+			return;
+
 	for (auto& arg: _funCall.arguments | boost::adaptors::reversed)
 		outlineExpression(arg);
 }