diff options
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
| -rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index e6eb2e755b..5fe3cb09ff 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -239,7 +239,7 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) { MachineOperand &UseMO = UI.getOperand(); MachineInstr *UseMI = &*UI; ++UI; - if (UseMI->getParent() == DefBB) + if (UseMI->getParent() == DefBB && !UseMI->isPHI()) continue; SSAUpdate.RewriteUse(UseMO); } |