xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/CSKY/CSKYAsmPrinter.cpp (revision 349cc55c9796c4596a5b9904cd3281af295f878f)
1*349cc55cSDimitry Andric //===-- CSKYAsmPrinter.cpp - CSKY LLVM assembly writer --------------------===//
2*349cc55cSDimitry Andric //
3*349cc55cSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*349cc55cSDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*349cc55cSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*349cc55cSDimitry Andric //
7*349cc55cSDimitry Andric //===----------------------------------------------------------------------===//
8*349cc55cSDimitry Andric //
9*349cc55cSDimitry Andric // This file contains a printer that converts from our internal representation
10*349cc55cSDimitry Andric // of machine-dependent LLVM code to the CSKY assembly language.
11*349cc55cSDimitry Andric //
12*349cc55cSDimitry Andric //===----------------------------------------------------------------------===//
13*349cc55cSDimitry Andric #include "CSKYAsmPrinter.h"
14*349cc55cSDimitry Andric #include "CSKY.h"
15*349cc55cSDimitry Andric #include "CSKYTargetMachine.h"
16*349cc55cSDimitry Andric #include "MCTargetDesc/CSKYInstPrinter.h"
17*349cc55cSDimitry Andric #include "MCTargetDesc/CSKYMCExpr.h"
18*349cc55cSDimitry Andric #include "TargetInfo/CSKYTargetInfo.h"
19*349cc55cSDimitry Andric #include "llvm/ADT/Statistic.h"
20*349cc55cSDimitry Andric #include "llvm/CodeGen/AsmPrinter.h"
21*349cc55cSDimitry Andric #include "llvm/CodeGen/MachineConstantPool.h"
22*349cc55cSDimitry Andric #include "llvm/IR/DataLayout.h"
23*349cc55cSDimitry Andric #include "llvm/MC/MCAsmInfo.h"
24*349cc55cSDimitry Andric #include "llvm/MC/MCContext.h"
25*349cc55cSDimitry Andric #include "llvm/MC/MCInstBuilder.h"
26*349cc55cSDimitry Andric #include "llvm/MC/MCStreamer.h"
27*349cc55cSDimitry Andric #include "llvm/MC/TargetRegistry.h"
28*349cc55cSDimitry Andric 
29*349cc55cSDimitry Andric using namespace llvm;
30*349cc55cSDimitry Andric 
31*349cc55cSDimitry Andric #define DEBUG_TYPE "csky-asm-printer"
32*349cc55cSDimitry Andric 
33*349cc55cSDimitry Andric CSKYAsmPrinter::CSKYAsmPrinter(llvm::TargetMachine &TM,
34*349cc55cSDimitry Andric                                std::unique_ptr<llvm::MCStreamer> Streamer)
35*349cc55cSDimitry Andric     : AsmPrinter(TM, std::move(Streamer)), MCInstLowering(OutContext, *this) {}
36*349cc55cSDimitry Andric 
37*349cc55cSDimitry Andric bool CSKYAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
38*349cc55cSDimitry Andric   Subtarget = &MF.getSubtarget<CSKYSubtarget>();
39*349cc55cSDimitry Andric   return AsmPrinter::runOnMachineFunction(MF);
40*349cc55cSDimitry Andric }
41*349cc55cSDimitry Andric 
42*349cc55cSDimitry Andric // Simple pseudo-instructions have their lowering (with expansion to real
43*349cc55cSDimitry Andric // instructions) auto-generated.
44*349cc55cSDimitry Andric #include "CSKYGenMCPseudoLowering.inc"
45*349cc55cSDimitry Andric 
46*349cc55cSDimitry Andric void CSKYAsmPrinter::emitInstruction(const MachineInstr *MI) {
47*349cc55cSDimitry Andric   // Do any auto-generated pseudo lowerings.
48*349cc55cSDimitry Andric   if (emitPseudoExpansionLowering(*OutStreamer, MI))
49*349cc55cSDimitry Andric     return;
50*349cc55cSDimitry Andric 
51*349cc55cSDimitry Andric   MCInst TmpInst;
52*349cc55cSDimitry Andric   MCInstLowering.Lower(MI, TmpInst);
53*349cc55cSDimitry Andric   EmitToStreamer(*OutStreamer, TmpInst);
54*349cc55cSDimitry Andric }
55*349cc55cSDimitry Andric 
56*349cc55cSDimitry Andric extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeCSKYAsmPrinter() {
57*349cc55cSDimitry Andric   RegisterAsmPrinter<CSKYAsmPrinter> X(getTheCSKYTarget());
58*349cc55cSDimitry Andric }
59