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/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 361b503..35c64e2 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -232,7 +232,7 @@
// Process all explicit uses...
for (unsigned i = 0; i != NumOperandsToProcess; ++i) {
MachineOperand &MO = MI->getOperand(i);
- if (MO.isUse() && MO.isRegister()) {
+ if (MO.isUse() && MO.isRegister() && MO.getReg()) {
if (MRegisterInfo::isVirtualRegister(MO.getReg())){
HandleVirtRegUse(getVarInfo(MO.getReg()), MBB, MI);
} else if (MRegisterInfo::isPhysicalRegister(MO.getReg()) &&
@@ -250,7 +250,7 @@
// Process all explicit defs...
for (unsigned i = 0; i != NumOperandsToProcess; ++i) {
MachineOperand &MO = MI->getOperand(i);
- if (MO.isDef() && MO.isRegister()) {
+ if (MO.isDef() && MO.isRegister() && MO.getReg()) {
if (MRegisterInfo::isVirtualRegister(MO.getReg())) {
VarInfo &VRInfo = getVarInfo(MO.getReg());
@@ -325,7 +325,7 @@
// the instruction.
for (unsigned i = 0, e = NewMI->getNumOperands(); i != e; ++i) {
MachineOperand &MO = NewMI->getOperand(i);
- if (MO.isRegister() && MO.isDef() &&
+ if (MO.isRegister() && MO.isDef() && MO.getReg() &&
MRegisterInfo::isVirtualRegister(MO.getReg())) {
unsigned Reg = MO.getReg();
VarInfo &VI = getVarInfo(Reg);