diff options
Diffstat (limited to 'llvm/lib/CodeGen/PHIElimination.cpp')
-rw-r--r-- | llvm/lib/CodeGen/PHIElimination.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp index 7a5c2000006..fc95cdf4101 100644 --- a/llvm/lib/CodeGen/PHIElimination.cpp +++ b/llvm/lib/CodeGen/PHIElimination.cpp @@ -197,12 +197,11 @@ bool PHIElimination::runOnMachineFunction(MachineFunction &MF) { /// EliminatePHINodes - Eliminate phi nodes by inserting copy instructions in /// predecessor basic blocks. bool PHIElimination::EliminatePHINodes(MachineFunction &MF, - MachineBasicBlock &MBB) { + MachineBasicBlock &MBB) { if (MBB.empty() || !MBB.front().isPHI()) return false; // Quick exit for basic blocks without PHIs. - // Get an iterator to the first instruction after the last PHI node (this may - // also be the end of the basic block). + // Get an iterator to the last PHI node. MachineBasicBlock::iterator LastPHIIt = std::prev(MBB.SkipPHIsAndLabels(MBB.begin())); |