DBC: CheckClassInstr

runtime/vm/constants_dbc.h

Index: runtime/vm/constants_dbc.h
diff --git a/runtime/vm/constants_dbc.h b/runtime/vm/constants_dbc.h
index 4f8aab93ec22373f9d82a148e12da85e519ef39f..2f67ff8d97e5466fcd58c50531b7b284eebc04ef 100644
--- a/runtime/vm/constants_dbc.h
+++ b/runtime/vm/constants_dbc.h
@@ -358,6 +358,23 @@ namespace dart {
 //    If the object at FP[rA]'s class id matches hthe class id in PP[D], then
 //    skip the following instruction.
 //
+//  - CheckNull rA, D
+//
+//    If D == 1, skip the following instruction when FP[rA] is non-null.
+//    If D == 0, skip the following instruction when FP[rA] is null.
+//
+//  - CheckDenseSwitchTOS rA, D
+//
+//    Given ICData at PP[D], skips the next instruction if the object at FP[rA]
+//    is a valid class for a dense switch with cid mask at SP[0], and low cid
+//    value at SP[-1].
+//
+//  - CheckForCid rA, D
+//
+//    Skips the following instruction if FP[rA] is a Smi and the receiver
+//    class of the ICData at PP[D] is a Smi, or if the cid of FP[rA] is found
+//    in the cids of PP[D].
+//
 //  - CheckStack
 //
 //    Compare SP against isolate stack limit and call StackOverflow handler if
@@ -503,6 +520,9 @@ namespace dart {
   V(AssertBoolean,                   A, num, ___, ___) \
   V(CheckSmi,                        A, reg, ___, ___) \
   V(CheckClassId,                  A_D, reg, lit, ___) \
+  V(CheckNull,                     A_D, reg, num, ___) \
+  V(CheckDenseSwitchTOS,           A_D, reg, lit, ___) \
+  V(CheckForCid,                   A_D, reg, lit, ___) \
   V(CheckStack,                      0, ___, ___, ___) \
   V(DebugStep,                       0, ___, ___, ___) \
   V(DebugBreak,                      A, num, ___, ___) \