Revert #1091 Remove unboxed object code phase 1 + extras.

This should be the last code backout for this. merging this branch
should get us back to the way we were (+ additional code changes for
later changes) as fasr as the unused unboxed code is concerned.

1 files changed, 26 insertions, 0 deletions

diff --git a/js/src/jit/Lowering.cpp b/js/src/jit/Lowering.cpp
index c3bd47744..19266bae8 100644
--- a/js/src/jit/Lowering.cpp
+++ b/js/src/jit/Lowering.cpp
@@ -3258,6 +3258,14 @@ LIRGenerator::visitStoreUnboxedString(MStoreUnboxedString* ins)
 }
 
 void
+LIRGenerator::visitConvertUnboxedObjectToNative(MConvertUnboxedObjectToNative* ins)
+{
+    LInstruction* check = new(alloc()) LConvertUnboxedObjectToNative(useRegister(ins->object()));
+    add(check, ins);
+    assignSafepoint(check, ins);
+}
+
+void
 LIRGenerator::visitEffectiveAddress(MEffectiveAddress* ins)
 {
     define(new(alloc()) LEffectiveAddress(useRegister(ins->base()), useRegister(ins->index())), ins);
@@ -3775,6 +3783,24 @@ LIRGenerator::visitGuardReceiverPolymorphic(MGuardReceiverPolymorphic* ins)
 }
 
 void
+LIRGenerator::visitGuardUnboxedExpando(MGuardUnboxedExpando* ins)
+{
+    LGuardUnboxedExpando* guard =
+        new(alloc()) LGuardUnboxedExpando(useRegister(ins->object()));
+    assignSnapshot(guard, ins->bailoutKind());
+    add(guard, ins);
+    redefine(ins, ins->object());
+}
+
+void
+LIRGenerator::visitLoadUnboxedExpando(MLoadUnboxedExpando* ins)
+{
+    LLoadUnboxedExpando* lir =
+        new(alloc()) LLoadUnboxedExpando(useRegisterAtStart(ins->object()));
+    define(lir, ins);
+}
+
+void
 LIRGenerator::visitAssertRange(MAssertRange* ins)
 {
     MDefinition* input = ins->input();