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| author | Evan Cheng <evan.cheng@apple.com> | 2007-04-18 00:36:11 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-04-18 00:36:11 +0000 |
| commit | 3fefc182a00663bfadbcbe17711b6d08469c9727 (patch) | |
| tree | 7ba2eb9a3986e8e8fbad0385da80933c4dc4d74f | |
| parent | b1b2f0bc44d01b33198a3aa51a64f79bad01378f (diff) | |
| download | external_llvm-3fefc182a00663bfadbcbe17711b6d08469c9727.zip external_llvm-3fefc182a00663bfadbcbe17711b6d08469c9727.tar.gz external_llvm-3fefc182a00663bfadbcbe17711b6d08469c9727.tar.bz2 | |
Increment use count of new virtuals created during PHI elimination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36233 91177308-0d34-0410-b5e6-96231b3b80d8
| -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 |