diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-06 23:54:35 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-06 23:54:35 +0000 |
| commit | 1a065e4e5bdce8287977fb076bdeb3e070368902 (patch) | |
| tree | e36f50d88b01a83722fc1f560231cfe1bf48d516 /llvm/lib/CodeGen | |
| parent | c473587e28608eb1eebe91d62e409d007100b3ab (diff) | |
| download | bcm5719-llvm-1a065e4e5bdce8287977fb076bdeb3e070368902.tar.gz bcm5719-llvm-1a065e4e5bdce8287977fb076bdeb3e070368902.zip | |
Skip unused registers when verifying LiveIntervals.
llvm-svn: 115874
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index 5660e48b8e6..644e3c06da1 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -884,6 +884,11 @@ void MachineVerifier::verifyLiveIntervals() { for (LiveIntervals::const_iterator LVI = LiveInts->begin(), LVE = LiveInts->end(); LVI != LVE; ++LVI) { const LiveInterval &LI = *LVI->second; + + // Spilling and splitting may leave unused registers around. Skip them. + if (MRI->use_empty(LI.reg)) + continue; + assert(LVI->first == LI.reg && "Invalid reg to interval mapping"); for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end(); |
