[llvm] r235673 - RegisterCoalescer: implicit phsreg uses are fine when rematerializing

[Matthias Braun]

Author: matze
Date: Thu Apr 23 19:01:37 2015
New Revision: 235673

URL: http://llvm.org/viewvc/llvm-project?rev=235673&view=rev
Log:
RegisterCoalescer: implicit phsreg uses are fine when rematerializing

The target hooks should have already checked them. This change is
necessary to enable the remateriailzation on R600.

Modified:
    llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp

Modified: llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp?rev=235673&r1=235672&r2=235673&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegisterCoalescer.cpp Thu Apr 23 19:01:37 2015
@@ -963,8 +963,8 @@ bool RegisterCoalescer::reMaterializeTri
   for (unsigned i = NewMI->getDesc().getNumOperands(),
          e = NewMI->getNumOperands(); i != e; ++i) {
     MachineOperand &MO = NewMI->getOperand(i);
-    if (MO.isReg()) {
-      assert(MO.isDef() && MO.isImplicit() && MO.isDead() &&
+    if (MO.isReg() && MO.isDef()) {
+      assert(MO.isImplicit() && MO.isDead() &&
              TargetRegisterInfo::isPhysicalRegister(MO.getReg()));
       NewMIImplDefs.push_back(MO.getReg());
     }