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Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/PHIElimination.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 734a06f..513bfde 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -138,6 +138,9 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB, if (LV) { MachineInstr *PHICopy = prior(AfterPHIsIt); + // Increment use count of the newly created virtual register. + LV->getVarInfo(IncomingReg).NumUses++; + // Add information to LiveVariables to know that the incoming value is // killed. Note that because the value is defined in several places (once // each for each incoming block), the "def" block and instruction fields |