diff options
Diffstat (limited to 'llvm/lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PHIElimination.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp index 9cbb318f0c8..c65a5a7100d 100644 --- a/llvm/lib/CodeGen/PHIElimination.cpp +++ b/llvm/lib/CodeGen/PHIElimination.cpp @@ -120,6 +120,7 @@ INITIALIZE_PASS_END(PHIElimination, "phi-node-elimination", "Eliminate PHI nodes for register allocation", false, false) void PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const { + AU.addUsedIfAvailable<LiveVariables>(); AU.addPreserved<LiveVariables>(); AU.addPreserved<SlotIndexes>(); AU.addPreserved<LiveIntervals>(); |
