ART: Add Invokes to DecodedInstruction

Add a method Invokes to test for the kInvoke flag.
Also moved IsPseudoMirOp to DecodedInstruction to use it for the various
  querry methods.

Change-Id: I59a2056b7b802b8393fa2b0d977304d252b38c89
Signed-off-by: Jean Christophe Beyler <jean.christophe.beyler@intel.com>
diff --git a/compiler/dex/mir_analysis.cc b/compiler/dex/mir_analysis.cc
index e372206..3de4483 100644
--- a/compiler/dex/mir_analysis.cc
+++ b/compiler/dex/mir_analysis.cc
@@ -902,7 +902,7 @@
   while (!done) {
     tbb->visited = true;
     for (MIR* mir = tbb->first_mir_insn; mir != NULL; mir = mir->next) {
-      if (IsPseudoMirOp(mir->dalvikInsn.opcode)) {
+      if (MIR::DecodedInstruction::IsPseudoMirOp(mir->dalvikInsn.opcode)) {
         // Skip any MIR pseudo-op.
         continue;
       }