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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-07-11 04:01:49 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-07-11 04:01:49 +0000 |
| commit | cbeeae23c31d32b833c9c7c3e8984e4cbcf22f45 (patch) | |
| tree | 75fe2f72c8e4d9e68e7c9ec8c7655f4d94d710f3 /lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | |
| parent | 4f8e771ae89bcf934f931d64ef3ad9a188ce4921 (diff) | |
Fix va_arg for doubles. With this patch VAARG nodes always contain the
correct alignment information, which simplifies ExpandRes_VAARG a bit.
The patch introduces a new alignment information to TargetLoweringInfo. This is
needed since the two natural candidates cannot be used:
* The 's' in target data: If this is set to the minimal alignment of any
argument, getCallFrameTypeAlignment would return 4 for doubles on ARM for
example.
* The getTransientStackAlignment method. It is possible for an architecture to
have argument less aligned than what we maintain the stack pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108072 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index 79e3dec28e..68bcebc7dd 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -504,7 +504,8 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) { DebugLoc dl = N->getDebugLoc(); SDValue NewVAARG; - NewVAARG = DAG.getVAArg(NVT, dl, Chain, Ptr, N->getOperand(2)); + NewVAARG = DAG.getVAArg(NVT, dl, Chain, Ptr, N->getOperand(2), + N->getConstantOperandVal(3)); // Legalized the chain result - switch anything that used the old chain to // use the new one. |