Uncomment assertions that register# != 0 on calls to

MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.

llvm-svn: 11882

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/LiveIntervals.cpp b/llvm/lib/CodeGen/LiveIntervals.cpp
index 024ff12ea54..fc46de2be92 100644
--- a/llvm/lib/CodeGen/LiveIntervals.cpp
+++ b/llvm/lib/CodeGen/LiveIntervals.cpp
@@ -134,7 +134,7 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
              mii != mie; ) {
             for (unsigned i = 0; i < mii->getNumOperands(); ++i) {
                 const MachineOperand& mop = mii->getOperand(i);
-                if (mop.isRegister()) {
+                if (mop.isRegister() && mop.getReg()) {
                     // replace register with representative register
                     unsigned reg = rep(mop.getReg());
                     mii->SetMachineOperandReg(i, reg);
@@ -421,7 +421,7 @@ void LiveIntervals::computeIntervals()
             for (int i = mi->getNumOperands() - 1; i >= 0; --i) {
                 MachineOperand& mop = mi->getOperand(i);
                 // handle register defs - build intervals
-                if (mop.isRegister() && mop.isDef())
+                if (mop.isRegister() && mop.getReg() && mop.isDef())
                     handleRegisterDef(mbb, mi, mop.getReg());
             }
         }