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| author | Evan Cheng <evan.cheng@apple.com> | 2007-02-10 02:43:39 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-10 02:43:39 +0000 |
| commit | 276b44b0f9e62167f3050a60ccbe42c3072de473 (patch) | |
| tree | ccef253ef2edbe3f6f610262c955cfc54500c398 | |
| parent | bcf1d7faef6237d6b72b5e89185825493655af30 (diff) | |
| download | bcm5719-llvm-276b44b0f9e62167f3050a60ccbe42c3072de473.tar.gz bcm5719-llvm-276b44b0f9e62167f3050a60ccbe42c3072de473.zip | |
Add function live-ins to entry block live-in set.
llvm-svn: 34112
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 3b7fb6b58f6..ae7a495bf48 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/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; } |
