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| author | Evan Cheng <evan.cheng@apple.com> | 2008-01-12 01:07:41 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-01-12 01:07:41 +0000 |
| commit | 01b8fccca0f5526c57b2249b5457bfb585fd196f (patch) | |
| tree | 0aa4e853f8a3efc34068ed475c29f713e959478b /utils/TableGen | |
| parent | 144ad580fd7b7a4dfeba11a934de69582855c676 (diff) | |
| download | external_llvm-01b8fccca0f5526c57b2249b5457bfb585fd196f.zip external_llvm-01b8fccca0f5526c57b2249b5457bfb585fd196f.tar.gz external_llvm-01b8fccca0f5526c57b2249b5457bfb585fd196f.tar.bz2 | |
ByVal arguments are passed on stack. Make sure to allocate a slot using size and alignment information on the parameter attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45897 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen')
| -rw-r--r-- | utils/TableGen/CallingConvEmitter.cpp | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/utils/TableGen/CallingConvEmitter.cpp b/utils/TableGen/CallingConvEmitter.cpp index f7c2eda..c81c80f 100644 --- a/utils/TableGen/CallingConvEmitter.cpp +++ b/utils/TableGen/CallingConvEmitter.cpp @@ -115,19 +115,32 @@ void CallingConvEmitter::EmitAction(Record *Action, int Size = Action->getValueAsInt("Size"); int Align = Action->getValueAsInt("Align"); - O << IndentStr << "unsigned Offset" << ++Counter - << " = State.AllocateStack("; + O << IndentStr << "unsigned Size = "; if (Size) - O << Size << ", "; + O << Size; else - O << "\n" << IndentStr << " State.getTarget().getTargetData()" - "->getABITypeSize(MVT::getTypeForValueType(LocVT)), "; + O << "State.getTarget().getTargetData()" + "->getABITypeSize(MVT::getTypeForValueType(LocVT))"; + O << ";\n" + << IndentStr << "unsigned Align = "; if (Align) O << Align; else - O << "\n" << IndentStr << " State.getTarget().getTargetData()" + O << "State.getTarget().getTargetData()" "->getABITypeAlignment(MVT::getTypeForValueType(LocVT))"; - O << ");\n" << IndentStr + O << ";\n"; + O << IndentStr << "if (ArgFlags & ISD::ParamFlags::ByVal) {\n"; + O << IndentStr << " " << + "Size = (ArgFlags & ISD::ParamFlags::ByValSize) >> " + "ISD::ParamFlags::ByValSizeOffs;\n"; + O << IndentStr << " " << + "unsigned ParamAlign = 1 << ((ArgFlags & ISD::ParamFlags::ByValAlign) " + ">> ISD::ParamFlags::ByValAlignOffs);\n"; + O << IndentStr << " Align = std::max(Align, ParamAlign);\n" + << IndentStr << "}\n"; + O << IndentStr << "unsigned Offset" << ++Counter + << " = State.AllocateStack(Size, Align);\n"; + O << IndentStr << "State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset" << Counter << ", LocVT, LocInfo));\n"; O << IndentStr << "return false;\n"; |