diff options
Diffstat (limited to 'llvm/lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/PHIElimination.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/PHIElimination.cpp b/llvm/lib/CodeGen/PHIElimination.cpp index 2a2d7a4..e392bb8 100644 --- a/llvm/lib/CodeGen/PHIElimination.cpp +++ b/llvm/lib/CodeGen/PHIElimination.cpp @@ -222,6 +222,11 @@ bool PHIElimination::runOnMachineFunction(MachineFunction &MF) { MF.deleteMachineInstr(I.first); } + // TODO: we should use the incremental DomTree updater here. + if (Changed) + if (auto *MDT = getAnalysisIfAvailable<MachineDominatorTreeWrapperPass>()) + MDT->getDomTree().getBase().recalculate(MF); + LoweredPHIs.clear(); ImpDefs.clear(); VRegPHIUseCount.clear(); |