1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/jit/shared/LIR-shared.h b/js/src/jit/shared/LIR-shared.h
index 49879eedb..e6aab6ba3 100644
--- a/js/src/jit/shared/LIR-shared.h
+++ b/js/src/jit/shared/LIR-shared.h
@@ -5892,6 +5892,22 @@ class LStoreUnboxedPointer : public LInstructionHelper<0, 3, 0>
     }
 };
 
+// If necessary, convert an unboxed object in a particular group to its native
+// representation.
+class LConvertUnboxedObjectToNative : public LInstructionHelper<0, 1, 0>
+{
+  public:
+    LIR_HEADER(ConvertUnboxedObjectToNative)
+
+    explicit LConvertUnboxedObjectToNative(const LAllocation& object) {
+        setOperand(0, object);
+    }
+
+    MConvertUnboxedObjectToNative* mir() {
+        return mir_->toConvertUnboxedObjectToNative();
+    }
+};
+
 class LArrayPopShiftV : public LInstructionHelper<BOX_PIECES, 1, 2>
 {
   public:
@@ -7414,6 +7430,38 @@ class LGuardReceiverPolymorphic : public LInstructionHelper<0, 1, 1>
     }
 };
 
+class LGuardUnboxedExpando : public LInstructionHelper<0, 1, 0>
+{
+  public:
+    LIR_HEADER(GuardUnboxedExpando)
+
+    explicit LGuardUnboxedExpando(const LAllocation& in) {
+        setOperand(0, in);
+    }
+    const LAllocation* object() {
+        return getOperand(0);
+    }
+    const MGuardUnboxedExpando* mir() const {
+        return mir_->toGuardUnboxedExpando();
+    }
+};
+
+class LLoadUnboxedExpando : public LInstructionHelper<1, 1, 0>
+{
+  public:
+    LIR_HEADER(LoadUnboxedExpando)
+
+    explicit LLoadUnboxedExpando(const LAllocation& in) {
+        setOperand(0, in);
+    }
+    const LAllocation* object() {
+        return getOperand(0);
+    }
+    const MLoadUnboxedExpando* mir() const {
+        return mir_->toLoadUnboxedExpando();
+    }
+};
+
 // Guard that a value is in a TypeSet.
 class LTypeBarrierV : public LInstructionHelper<0, BOX_PIECES, 1>
 {