Uncomment assertions that register# != 0 on calls to
MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 024ff12..fc46de2 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -134,7 +134,7 @@
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 @@
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());
}
}