From 4701c564465418adb66fc651bd1e3d3e062ac297 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Wed, 27 Oct 2010 00:39:01 +0000 Subject: [PATCH] Physical registers trivially have multiple connected components all the time. Only virtuals should be requires to be connected. llvm-svn: 117422 --- lib/CodeGen/MachineVerifier.cpp | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp index b5211ee65b3..9b3fdcfc1ea 100644 --- a/lib/CodeGen/MachineVerifier.cpp +++ b/lib/CodeGen/MachineVerifier.cpp @@ -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'; + } } } }