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Physical registers trivially have multiple connected components all the time. 

Only virtuals should be requires to be connected.

llvm-svn: 117422
This commit is contained in:
Jakob Stoklund Olesen 2010-10-27 00:39:01 +00:00
parent 2577b2e8b1
commit 0e7a011a00
1 changed files with 7 additions and 5 deletions
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12
llvm/lib/CodeGen/MachineVerifier.cpp
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@ -1069,11 +1069,13 @@ void MachineVerifier::verifyLiveIntervals() {
}
// Check the LI only has one connected component.
ConnectedVNInfoEqClasses ConEQ(*LiveInts);
unsigned NumComp = ConEQ.Classify(&LI);
if (NumComp > 1) {
report("Multiple connected components in live interval", MF);
*OS << NumComp << " components in " << LI << '\n';
if (TargetRegisterInfo::isVirtualRegister(LI.reg)) {
ConnectedVNInfoEqClasses ConEQ(*LiveInts);
unsigned NumComp = ConEQ.Classify(&LI);
if (NumComp > 1) {
report("Multiple connected components in live interval", MF);
*OS << NumComp << " components in " << LI << '\n';
}
}
}
}