xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchBaseInfo.cpp (revision 972a253a57b6f144b0e4a3e2080a2a0076ec55a0)
181ad6265SDimitry Andric //= LoongArchBaseInfo.cpp - Top level definitions for LoongArch MC -*- C++ -*-//
281ad6265SDimitry Andric //
381ad6265SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
481ad6265SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
581ad6265SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
681ad6265SDimitry Andric //
781ad6265SDimitry Andric //===----------------------------------------------------------------------===//
881ad6265SDimitry Andric //
981ad6265SDimitry Andric // This file implements helper functions for the LoongArch target useful for the
1081ad6265SDimitry Andric // compiler back-end and the MC libraries.
1181ad6265SDimitry Andric //
1281ad6265SDimitry Andric //===----------------------------------------------------------------------===//
1381ad6265SDimitry Andric 
1481ad6265SDimitry Andric #include "LoongArchBaseInfo.h"
1581ad6265SDimitry Andric #include "llvm/ADT/ArrayRef.h"
1681ad6265SDimitry Andric #include "llvm/ADT/Triple.h"
1781ad6265SDimitry Andric #include "llvm/MC/MCSubtargetInfo.h"
1881ad6265SDimitry Andric 
1981ad6265SDimitry Andric namespace llvm {
2081ad6265SDimitry Andric 
2181ad6265SDimitry Andric namespace LoongArchABI {
2281ad6265SDimitry Andric 
2381ad6265SDimitry Andric ABI getTargetABI(StringRef ABIName) {
2481ad6265SDimitry Andric   auto TargetABI = StringSwitch<ABI>(ABIName)
2581ad6265SDimitry Andric                        .Case("ilp32s", ABI_ILP32S)
2681ad6265SDimitry Andric                        .Case("ilp32f", ABI_ILP32F)
2781ad6265SDimitry Andric                        .Case("ilp32d", ABI_ILP32D)
2881ad6265SDimitry Andric                        .Case("lp64s", ABI_LP64S)
2981ad6265SDimitry Andric                        .Case("lp64f", ABI_LP64F)
3081ad6265SDimitry Andric                        .Case("lp64d", ABI_LP64D)
3181ad6265SDimitry Andric                        .Default(ABI_Unknown);
3281ad6265SDimitry Andric   return TargetABI;
3381ad6265SDimitry Andric }
3481ad6265SDimitry Andric 
3581ad6265SDimitry Andric // FIXME: other register?
3681ad6265SDimitry Andric MCRegister getBPReg() { return LoongArch::R31; }
3781ad6265SDimitry Andric 
38*972a253aSDimitry Andric } // end namespace LoongArchABI
3981ad6265SDimitry Andric 
40*972a253aSDimitry Andric } // end namespace llvm
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