abi_win32.cpp
//===-- abi_win32.cpp - x86 ABI description ---------------------*- C++ -*-===//
//
// LDC – the LLVM D compiler
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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//===----------------------------------------------------------------------===//
//
// The ABI implementation used for 32 bit x86 targets on Windows.
//
//===----------------------------------------------------------------------===//
typedef bool AbiState;
AbiState default_abi_state = 0;
bool use_sret(AbiState *state, jl_value_t *ty)
{
if (!jl_is_datatype(ty) || jl_is_abstracttype(ty) || jl_is_cpointer_type(ty) || jl_is_array_type(ty))
return false;
size_t size = jl_datatype_size(ty);
if (size <= 8)
return false;
return true;
}
void needPassByRef(AbiState *state, jl_value_t *ty, bool *byRef, bool *inReg)
{
if (!jl_is_datatype(ty) || jl_is_abstracttype(ty) || jl_is_cpointer_type(ty) || jl_is_array_type(ty))
return;
size_t size = jl_datatype_size(ty);
if (size <= 8)
return;
*byRef = true;
}
Type *preferred_llvm_type(jl_value_t *ty, bool isret)
{
if (!isret)
return NULL;
if (!jl_is_datatype(ty) || jl_is_abstracttype(ty) || jl_is_cpointer_type(ty) || jl_is_array_type(ty))
return NULL;
size_t size = jl_datatype_size(ty);
if (size > 0 && size <= 8 && !jl_is_bitstype(ty))
return Type::getIntNTy(getGlobalContext(), size*8);
return NULL;
}
bool need_private_copy(jl_value_t *ty, bool byRef)
{
return false;
}