From 04418d5617f6ab7015c5cf7b905b4775a5219f4b Mon Sep 17 00:00:00 2001
From: "Alon Zakai (kripken)" <alonzakai@gmail.com>
Date: Mon, 31 Jul 2017 14:11:33 -0700
Subject: use effective shifts in more places in optimize-instructions

---
 src/ast/bits.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/ast/bits.h')

diff --git a/src/ast/bits.h b/src/ast/bits.h
index 11cf7b06d..0aee50ffe 100644
--- a/src/ast/bits.h
+++ b/src/ast/bits.h
@@ -51,7 +51,8 @@ struct Bits {
     WASM_UNREACHABLE();
   }
 
-  static Index getEffectiveShifts(Const* amount) {
+  static Index getEffectiveShifts(Expression* expr) {
+    auto* amount = expr->cast<Const>();
     if (amount->type == i32) {
       return getEffectiveShifts(amount->value.geti32(), i32);
     } else if (amount->type == i64) {
-- 
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