2 files changed, 7 insertions, 0 deletions
diff --git a/src/emscripten-optimizer/optimizer-shared.cpp b/src/emscripten-optimizer/optimizer-shared.cpp
index 09b458138..7fe91eeab 100644
--- a/src/emscripten-optimizer/optimizer-shared.cpp
+++ b/src/emscripten-optimizer/optimizer-shared.cpp
@@ -228,3 +228,8 @@ Ref makeAsmCoercion(Ref node, AsmType type) {
   }
 }
 
+Ref makeSigning(Ref node, AsmSign sign) {
+  assert(sign == ASM_SIGNED || sign == ASM_UNSIGNED);
+  return ValueBuilder::makeBinary(node, sign == ASM_SIGNED ? OR : TRSHIFT, ValueBuilder::makeNum(0));
+}
+
diff --git a/src/emscripten-optimizer/optimizer.h b/src/emscripten-optimizer/optimizer.h
index 00303aee9..6850214c2 100644
--- a/src/emscripten-optimizer/optimizer.h
+++ b/src/emscripten-optimizer/optimizer.h
@@ -140,5 +140,7 @@ inline cashew::Ref deStat(cashew::Ref node) {
 cashew::Ref makeAsmCoercedZero(AsmType type);
 cashew::Ref makeAsmCoercion(cashew::Ref node, AsmType type);
 
+cashew::Ref makeSigning(cashew::Ref node, AsmSign sign);
+
 #endif // __optimizer_h__