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author | Jim Grosbach <grosbach@apple.com> | 2010-06-02 15:29:36 +0000 |
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committer | Jim Grosbach <grosbach@apple.com> | 2010-06-02 15:29:36 +0000 |
commit | 086723d244952aee690a8aa39485a0fa0d3a7700 (patch) | |
tree | e41a55b3ec8b9a1a54498060fd226dc34f53a6b4 /lib/CodeGen/CriticalAntiDepBreaker.cpp | |
parent | b26f27969ec895ff14f755e70f3a205460e96cf2 (diff) | |
download | llvm-086723d244952aee690a8aa39485a0fa0d3a7700.tar.gz llvm-086723d244952aee690a8aa39485a0fa0d3a7700.tar.bz2 llvm-086723d244952aee690a8aa39485a0fa0d3a7700.tar.xz |
Not all entries in the range will have an SUnit. Check for that when looking
for debug information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105324 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CriticalAntiDepBreaker.cpp')
-rw-r--r-- | lib/CodeGen/CriticalAntiDepBreaker.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/CriticalAntiDepBreaker.cpp b/lib/CodeGen/CriticalAntiDepBreaker.cpp index 5eabe65570..42cc44812d 100644 --- a/lib/CodeGen/CriticalAntiDepBreaker.cpp +++ b/lib/CodeGen/CriticalAntiDepBreaker.cpp @@ -530,6 +530,7 @@ BreakAntiDependencies(const std::vector<SUnit>& SUnits, // related to the anti-dependency register, make sure to update that // as well. const SUnit *SU = MISUnitMap[Q->second->getParent()]; + if (!SU) continue; for (unsigned i = 0, e = SU->DbgInstrList.size() ; i < e ; ++i) { MachineInstr *DI = SU->DbgInstrList[i]; assert (DI->getNumOperands()==3 && DI->getOperand(0).isReg() && |