ARM64CallingConv.h [plain text]
#ifndef ARM64CALLINGCONV_H
#define ARM64CALLINGCONV_H
#include "ARM64InstrInfo.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/CodeGen/CallingConvLower.h"
#include "llvm/Target/TargetInstrInfo.h"
namespace llvm {
static bool CC_ARM64_Custom_i1i8i16_Reg(unsigned ValNo, MVT ValVT, MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
CCState &State, bool IsWebKitJS = false) {
static const uint16_t RegList1[] = {
ARM64::W0, ARM64::W1, ARM64::W2, ARM64::W3, ARM64::W4, ARM64::W5,
ARM64::W6, ARM64::W7
};
static const uint16_t RegList2[] = {
ARM64::X0, ARM64::X1, ARM64::X2, ARM64::X3, ARM64::X4, ARM64::X5,
ARM64::X6, ARM64::X7
};
static const uint16_t WebKitRegList1[] = { ARM64::W0 };
static const uint16_t WebKitRegList2[] = { ARM64::X0 };
const uint16_t *List1 = IsWebKitJS ? WebKitRegList1 : RegList1;
const uint16_t *List2 = IsWebKitJS ? WebKitRegList2 : RegList2;
if (unsigned Reg = State.AllocateReg(List1, List2, 8)) {
if (ValVT != MVT::i32) {
if (ArgFlags.isSExt())
LocInfo = CCValAssign::SExt;
else if (ArgFlags.isZExt())
LocInfo = CCValAssign::ZExt;
else
LocInfo = CCValAssign::AExt;
ValVT = MVT::i32;
}
LocVT = MVT::i32;
State.addLoc(CCValAssign::getReg(ValNo, ValVT, Reg, LocVT, LocInfo));
return true;
}
return false;
}
static bool CC_ARM64_WebKit_JS_i1i8i16_Reg(unsigned ValNo, MVT ValVT, MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
CCState &State) {
return CC_ARM64_Custom_i1i8i16_Reg(ValNo, ValVT, LocVT, LocInfo,
ArgFlags, State, true);
}
static bool CC_ARM64_Custom_i1i8i16_Stack(unsigned ValNo, MVT ValVT, MVT LocVT,
CCValAssign::LocInfo LocInfo,
ISD::ArgFlagsTy ArgFlags,
CCState &State) {
unsigned Space = ((LocVT == MVT::i1 || LocVT == MVT::i8) ? 1 : 2);
unsigned Offset12 = State.AllocateStack(Space, Space);
ValVT = LocVT;
State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset12, LocVT, LocInfo));
return true;
}
}
#endif