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| author | Andrew Lenharth <andrewl@lenharth.org> | 2005-06-22 21:04:42 +0000 |
|---|---|---|
| committer | Andrew Lenharth <andrewl@lenharth.org> | 2005-06-22 21:04:42 +0000 |
| commit | 213e557cef3e653e2d3a00b07b137c143128430a (patch) | |
| tree | 2b864d830fba118c8d2fa07144629603caf85214 /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | d0a4c62a031ea9f0e2be2fe1f16af2209602ed94 (diff) | |
If we support structs as va_list, we must pass pointers to them to va_copy
See last commit for LangRef, this implements it on all targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22273 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 0c94ea74cd..fa6d6d4d14 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -855,10 +855,11 @@ SDOperand TargetLowering::LowerVAEnd(SDOperand Chain, SDOperand L, std::pair<SDOperand,SDOperand> TargetLowering::LowerVACopy(SDOperand Chain, SDOperand Src, SDOperand Dest, SelectionDAG &DAG) { - // We have no sane default behavior, just emit a useful error message and bail - // out. - std::cerr << "Variable arguments handling not implemented on this target!\n"; - abort(); + //Default to returning the input list + SDOperand Val = DAG.getLoad(getPointerTy(), Chain, Src, DAG.getSrcValue(NULL)); + SDOperand Result = DAG.getNode(ISD::STORE, MVT::Other, Val.getValue(1), + Val, Dest, DAG.getSrcValue(NULL)); + return std::make_pair(Result, Result); } std::pair<SDOperand,SDOperand> |