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Honour ByVal parameter attribute for name decoration

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46200 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-01-20 14:00:07 +00:00
parent 99e635ca69
commit ea74c7e498
1 changed files with 12 additions and 3 deletions
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15
lib/Target/X86/X86AsmPrinter.cpp
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@ -25,6 +25,7 @@
#include "llvm/Constants.h"
#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/Type.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/Support/Mangler.h"
@ -48,11 +49,19 @@ static X86MachineFunctionInfo calculateFunctionInfo(const Function *F,
return Info;
}
unsigned argNum = 1;
for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
AI != AE; ++AI)
AI != AE; ++AI, ++argNum) {
const Type* Ty = AI->getType();
// 'Dereference' type in case of byval parameter attribute
if (F->paramHasAttr(argNum, ParamAttr::ByVal))
Ty = cast<PointerType>(Ty)->getElementType();
// Size should be aligned to DWORD boundary
Size += ((TD->getABITypeSize(AI->getType()) + 3)/4)*4;
Size += ((TD->getABITypeSize(Ty) + 3)/4)*4;
}
// We're not supporting tooooo huge arguments :)
Info.setBytesToPopOnReturn((unsigned int)Size);
return Info;