diff options
Diffstat (limited to 'llvm/lib/CodeGen/UnreachableBlockElim.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/UnreachableBlockElim.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/llvm/lib/CodeGen/UnreachableBlockElim.cpp index 1a60e9abbe2e..4cf025261d62 100644 --- a/llvm/lib/CodeGen/UnreachableBlockElim.cpp +++ b/llvm/lib/CodeGen/UnreachableBlockElim.cpp @@ -90,7 +90,7 @@ char &llvm::UnreachableMachineBlockElimID = UnreachableMachineBlockElim::ID; void UnreachableMachineBlockElim::getAnalysisUsage(AnalysisUsage &AU) const { AU.addPreserved<MachineLoopInfo>(); - AU.addPreserved<MachineDominatorTree>(); + AU.addPreserved<MachineDominatorTreeWrapperPass>(); MachineFunctionPass::getAnalysisUsage(AU); } @@ -98,7 +98,9 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) { df_iterator_default_set<MachineBasicBlock*> Reachable; bool ModifiedPHI = false; - MachineDominatorTree *MDT = getAnalysisIfAvailable<MachineDominatorTree>(); + MachineDominatorTreeWrapperPass *MDTWrapper = + getAnalysisIfAvailable<MachineDominatorTreeWrapperPass>(); + MachineDominatorTree *MDT = MDTWrapper ? &MDTWrapper->getDomTree() : nullptr; MachineLoopInfo *MLI = getAnalysisIfAvailable<MachineLoopInfo>(); // Mark all reachable blocks. |