Implement first kind of polymorphic inlining.
Add HClassTableGet to fetch an ArtMethod from the vtable or imt,
and compare it to the only method the profiling saw.
Change-Id: I76afd3689178f10e3be048aa3ac9a97c6f63295d
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 5246fd1..a98ec2f 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -1161,6 +1161,7 @@
M(BoundsCheck, Instruction) \
M(BoundType, Instruction) \
M(CheckCast, Instruction) \
+ M(ClassTableGet, Instruction) \
M(ClearException, Instruction) \
M(ClinitCheck, Instruction) \
M(Compare, BinaryOperation) \
@@ -2542,6 +2543,44 @@
DISALLOW_COPY_AND_ASSIGN(HCurrentMethod);
};
+// Fetches an ArtMethod from the virtual table or the interface method table
+// of a class.
+class HClassTableGet : public HExpression<1> {
+ public:
+ enum TableKind {
+ kVTable,
+ kIMTable,
+ };
+ HClassTableGet(HInstruction* cls,
+ Primitive::Type type,
+ TableKind kind,
+ size_t index,
+ uint32_t dex_pc)
+ : HExpression(type, SideEffects::None(), dex_pc),
+ index_(index),
+ table_kind_(kind) {
+ SetRawInputAt(0, cls);
+ }
+
+ bool CanBeMoved() const OVERRIDE { return true; }
+ bool InstructionDataEquals(HInstruction* other) const OVERRIDE {
+ return other->AsClassTableGet()->GetIndex() == index_ &&
+ other->AsClassTableGet()->GetTableKind() == table_kind_;
+ }
+
+ TableKind GetTableKind() const { return table_kind_; }
+ size_t GetIndex() const { return index_; }
+
+ DECLARE_INSTRUCTION(ClassTableGet);
+
+ private:
+ // The index of the ArtMethod in the table.
+ const size_t index_;
+ const TableKind table_kind_;
+
+ DISALLOW_COPY_AND_ASSIGN(HClassTableGet);
+};
+
// PackedSwitch (jump table). A block ending with a PackedSwitch instruction will
// have one successor for each entry in the switch table, and the final successor
// will be the block containing the next Dex opcode.