From 727c27a30d10a811d5a3fe04e2407cd7b3993b5e Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Sun, 25 Mar 2018 17:00:47 +0200
Subject: Bug 1342553 - Part 0.2: Support JSOP_CHECKISCALLABLE in JIT

Issue #74
---
 js/src/jit/Lowering.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'js/src/jit/Lowering.cpp')

diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index a21a529be..7f28a9020 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -4688,6 +4688,19 @@ LIRGenerator::visitCheckIsObj(MCheckIsObj* ins)
     assignSafepoint(lir, ins);
 }
 
+void
+LIRGenerator::visitCheckIsCallable(MCheckIsCallable* ins)
+{
+    MDefinition* checkVal = ins->checkValue();
+    MOZ_ASSERT(checkVal->type() == MIRType::Value);
+
+    LCheckIsCallable* lir = new(alloc()) LCheckIsCallable(useBox(checkVal),
+                                                          temp());
+    redefine(ins, checkVal);
+    add(lir, ins);
+    assignSafepoint(lir, ins);
+}
+
 void
 LIRGenerator::visitCheckObjCoercible(MCheckObjCoercible* ins)
 {
-- 
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