Mercurial > hg > Members > tobaru > cbc > CbC_llvm
changeset 27:ecf2394747e1
force to set tail call flag on SelectionDAGBuilder.cpp:LowerCallingInfo.
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 12 Nov 2013 20:27:46 +0900 |
| parents | d84031a0fa3c |
| children | 273f76252412 |
| files | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp |
| diffstat | 1 files changed, 5 insertions(+), 0 deletions(-) [+] |
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--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Tue Nov 12 18:45:31 2013 +0900 +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Tue Nov 12 20:27:46 2013 +0900 @@ -5283,6 +5283,11 @@ DAG.setRoot(DAG.getEHLabel(getCurDebugLoc(), getControlRoot(), BeginLabel)); } +#ifndef noCbC + if (RetTy->is__CodeTy()) // force to set tail call flag if the called function is code segment. + isTailCall = true; +#endif + // Check if target-independent constraints permit a tail call here. // Target-dependent constraints are checked within TLI.LowerCallTo. if (isTailCall && !isInTailCallPosition(CS, TLI))