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authorEli Friedman <eli.friedman@gmail.com>2011-05-05 16:18:11 +0000
committerEli Friedman <eli.friedman@gmail.com>2011-05-05 16:18:11 +0000
commit5f6bf5d44138a3537822ac057cd7576375c94df1 (patch)
treeebcb50e20d353596eb24eea7800d4d70691a461e /lib/CodeGen/MachineCSE.cpp
parentf262e161612eb44b7bb3dd2008950be3e77b57dd (diff)
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Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130925 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineCSE.cpp')
-rw-r--r--lib/CodeGen/MachineCSE.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index 5d79e96097..341afd9dbc 100644
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -468,7 +468,8 @@ bool MachineCSE::ProcessBlock(MachineBasicBlock *MBB) {
SmallVector<unsigned,8>::iterator PI = DirectPhysRefs.begin(),
PE = DirectPhysRefs.end();
for (; PI != PE; ++PI)
- MBB->addLiveIn(*PI);
+ if (!MBB->isLiveIn(*PI))
+ MBB->addLiveIn(*PI);
}
++NumCSEs;
if (!PhysRefs.empty())