diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 3b7fb6b58f..ae7a495bf4 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -3891,6 +3891,14 @@ bool SelectionDAGISel::runOnFunction(Function &Fn) { for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) SelectBasicBlock(I, MF, FuncInfo); + // Add function live-ins to entry block live-in set. + BasicBlock *EntryBB = &Fn.getEntryBlock(); + BB = FuncInfo.MBBMap[EntryBB]; + if (!MF.livein_empty()) + for (MachineFunction::livein_iterator I = MF.livein_begin(), + E = MF.livein_end(); I != E; ++I) + BB->addLiveIn(I->first); + return true; } |