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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-06 21:06:39 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-06 21:06:39 +0000 |
| commit | 813eedd2072edc2db3ca8c5306f7f269d372f45a (patch) | |
| tree | 076a39e01c743900bc2a1c5d46bb0b14d029957d | |
| parent | 6db2389d694a5cd8560bc47676a7f3aeba928e73 (diff) | |
| download | llvm-813eedd2072edc2db3ca8c5306f7f269d372f45a.tar.gz llvm-813eedd2072edc2db3ca8c5306f7f269d372f45a.tar.bz2 llvm-813eedd2072edc2db3ca8c5306f7f269d372f45a.tar.xz | |
Fix buildbot breakage where a def is missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107698 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 0a1885f329..c450136001 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -352,6 +352,8 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(const CoalescerPair &CP, AValNo->isUnused() || AValNo->hasPHIKill()) return false; MachineInstr *DefMI = li_->getInstructionFromIndex(AValNo->def); + if (!DefMI) + return false; const TargetInstrDesc &TID = DefMI->getDesc(); if (!TID.isCommutable()) return false; |