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authorJim Grosbach <grosbach@apple.com>2010-06-02 15:29:36 +0000
committerJim Grosbach <grosbach@apple.com>2010-06-02 15:29:36 +0000
commit848548300d91841d07ce34e845a794dae0f9c6a6 (patch)
tree174197162275d189dd129d19263e441ab0efdb2e /llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
parent598342accf2b79ceb74bbfe9432f9ef5ed205fb0 (diff)
downloadbcm5719-llvm-848548300d91841d07ce34e845a794dae0f9c6a6.tar.gz
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Not all entries in the range will have an SUnit. Check for that when looking
for debug information. llvm-svn: 105324
Diffstat (limited to 'llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp')
-rw-r--r--llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp b/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
index 5eabe655704..42cc44812de 100644
--- a/llvm/lib/CodeGen/CriticalAntiDepBreaker.cpp
+++ b/llvm/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() &&
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