2 files changed, 22 insertions, 0 deletions
diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h
index f8e0ce9cc1..9dcb527c5d 100644
--- a/js/src/jit/shared/LIR-shared.h
+++ b/js/src/jit/shared/LIR-shared.h
@@ -8893,6 +8893,27 @@ class LCheckIsObj : public LInstructionHelper<BOX_PIECES, BOX_PIECES, 0>
     }
 };
 
+class LCheckIsCallable : public LInstructionHelper<BOX_PIECES, BOX_PIECES, 1>
+{
+  public:
+    LIR_HEADER(CheckIsCallable)
+
+    static const size_t CheckValue = 0;
+
+    LCheckIsCallable(const LBoxAllocation& value, const LDefinition& temp) {
+        setBoxOperand(CheckValue, value);
+        setTemp(0, temp);
+    }
+
+    const LDefinition* temp() {
+        return getTemp(0);
+    }
+
+    MCheckIsCallable* mir() const {
+        return mir_->toCheckIsCallable();
+    }
+};
+
 class LCheckObjCoercible : public LCallInstructionHelper<BOX_PIECES, BOX_PIECES, 0>
 {
   public:
diff --git a/js/src/jit/shared/LOpcodes-shared.h b/js/src/jit/shared/LOpcodes-shared.h
index e57751437c..3eea1b449b 100644
--- a/js/src/jit/shared/LOpcodes-shared.h
+++ b/js/src/jit/shared/LOpcodes-shared.h
@@ -402,6 +402,7 @@
     _(ArrowNewTarget)               \
     _(CheckReturn)                  \
     _(CheckIsObj)                   \
+    _(CheckIsCallable)              \
     _(CheckObjCoercible)            \
     _(DebugCheckSelfHosted)         \
     _(AsmJSLoadHeap)                \