move target-independent opcodes out of TargetInstrInfo

into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.

llvm-svn: 95687

1 files changed, 2 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
index 6ab5db2edaa..b0f0a07420c 100644
--- a/llvm/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/llvm/lib/CodeGen/UnreachableBlockElim.cpp
@@ -148,8 +148,7 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
         MachineBasicBlock* succ = *BB->succ_begin();
 
         MachineBasicBlock::iterator start = succ->begin();
-        while (start != succ->end() &&
-               start->getOpcode() == TargetInstrInfo::PHI) {
+        while (start != succ->end() && start->isPHI()) {
           for (unsigned i = start->getNumOperands() - 1; i >= 2; i-=2)
             if (start->getOperand(i).isMBB() &&
                 start->getOperand(i).getMBB() == BB) {
@@ -188,8 +187,7 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
     SmallPtrSet<MachineBasicBlock*, 8> preds(BB->pred_begin(),
                                              BB->pred_end());
     MachineBasicBlock::iterator phi = BB->begin();
-    while (phi != BB->end() &&
-           phi->getOpcode() == TargetInstrInfo::PHI) {
+    while (phi != BB->end() && phi->isPHI()) {
       for (unsigned i = phi->getNumOperands() - 1; i >= 2; i-=2)
         if (!preds.count(phi->getOperand(i).getMBB())) {
           phi->RemoveOperand(i);