Index: llvm/trunk/lib/Target/RISCV/CMakeLists.txt =================================================================== --- llvm/trunk/lib/Target/RISCV/CMakeLists.txt +++ llvm/trunk/lib/Target/RISCV/CMakeLists.txt @@ -5,9 +5,11 @@ tablegen(LLVM RISCVGenCompressInstEmitter.inc -gen-compress-inst-emitter) tablegen(LLVM RISCVGenDAGISel.inc -gen-dag-isel) tablegen(LLVM RISCVGenDisassemblerTables.inc -gen-disassembler) +tablegen(LLVM RISCVGenGlobalISel.inc -gen-global-isel) tablegen(LLVM RISCVGenInstrInfo.inc -gen-instr-info) tablegen(LLVM RISCVGenMCCodeEmitter.inc -gen-emitter) tablegen(LLVM RISCVGenMCPseudoLowering.inc -gen-pseudo-lowering) +tablegen(LLVM RISCVGenRegisterBank.inc -gen-register-bank) tablegen(LLVM RISCVGenRegisterInfo.inc -gen-register-info) tablegen(LLVM RISCVGenSubtargetInfo.inc -gen-subtarget) tablegen(LLVM RISCVGenSystemOperands.inc -gen-searchable-tables) @@ -16,13 +18,17 @@ add_llvm_target(RISCVCodeGen RISCVAsmPrinter.cpp + RISCVCallLowering.cpp RISCVExpandPseudoInsts.cpp RISCVFrameLowering.cpp RISCVInstrInfo.cpp + RISCVInstructionSelector.cpp RISCVISelDAGToDAG.cpp RISCVISelLowering.cpp + RISCVLegalizerInfo.cpp RISCVMCInstLower.cpp RISCVMergeBaseOffset.cpp + RISCVRegisterBankInfo.cpp RISCVRegisterInfo.cpp RISCVSubtarget.cpp RISCVTargetMachine.cpp Index: llvm/trunk/lib/Target/RISCV/LLVMBuild.txt =================================================================== --- llvm/trunk/lib/Target/RISCV/LLVMBuild.txt +++ llvm/trunk/lib/Target/RISCV/LLVMBuild.txt @@ -30,5 +30,5 @@ name = RISCVCodeGen parent = RISCV required_libraries = Analysis AsmPrinter Core CodeGen MC RISCVDesc - RISCVInfo RISCVUtils SelectionDAG Support Target + RISCVInfo RISCVUtils SelectionDAG Support Target GlobalISel add_to_library_groups = RISCV Index: llvm/trunk/lib/Target/RISCV/RISCV.h =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCV.h +++ llvm/trunk/lib/Target/RISCV/RISCV.h @@ -18,9 +18,12 @@ #include "llvm/Target/TargetMachine.h" namespace llvm { +class RISCVRegisterBankInfo; +class RISCVSubtarget; class RISCVTargetMachine; class AsmPrinter; class FunctionPass; +class InstructionSelector; class MCInst; class MCOperand; class MachineInstr; @@ -39,6 +42,10 @@ FunctionPass *createRISCVExpandPseudoPass(); void initializeRISCVExpandPseudoPass(PassRegistry &); + +InstructionSelector *createRISCVInstructionSelector(const RISCVTargetMachine &, + RISCVSubtarget &, + RISCVRegisterBankInfo &); } #endif Index: llvm/trunk/lib/Target/RISCV/RISCV.td =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCV.td +++ llvm/trunk/lib/Target/RISCV/RISCV.td @@ -77,6 +77,7 @@ include "RISCVRegisterInfo.td" include "RISCVCallingConv.td" include "RISCVInstrInfo.td" +include "RISCVRegisterBanks.td" //===----------------------------------------------------------------------===// // RISC-V processors supported. Index: llvm/trunk/lib/Target/RISCV/RISCVCallLowering.h =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVCallLowering.h +++ llvm/trunk/lib/Target/RISCV/RISCVCallLowering.h @@ -0,0 +1,42 @@ +//===-- RISCVCallLowering.h - Call lowering ---------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +/// \file +/// This file describes how to lower LLVM calls to machine code calls. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H +#define LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H + +#include "llvm/CodeGen/CallingConvLower.h" +#include "llvm/CodeGen/GlobalISel/CallLowering.h" +#include "llvm/CodeGen/ValueTypes.h" + +namespace llvm { + +class RISCVTargetLowering; + +class RISCVCallLowering : public CallLowering { + +public: + RISCVCallLowering(const RISCVTargetLowering &TLI); + + bool lowerReturn(MachineIRBuilder &MIRBuiler, const Value *Val, + ArrayRef VRegs) const override; + + bool lowerFormalArguments(MachineIRBuilder &MIRBuilder, const Function &F, + ArrayRef> VRegs) const override; + + bool lowerCall(MachineIRBuilder &MIRBuilder, + CallLoweringInfo &Info) const override; +}; + +} // end namespace llvm + +#endif // LLVM_LIB_TARGET_RISCV_RISCVCALLLOWERING_H Index: llvm/trunk/lib/Target/RISCV/RISCVCallLowering.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVCallLowering.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVCallLowering.cpp @@ -0,0 +1,50 @@ +//===-- RISCVCallLowering.cpp - Call lowering -------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +/// \file +/// This file implements the lowering of LLVM calls to machine code calls for +/// GlobalISel. +// +//===----------------------------------------------------------------------===// + +#include "RISCVCallLowering.h" +#include "RISCVISelLowering.h" +#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h" + +using namespace llvm; + +RISCVCallLowering::RISCVCallLowering(const RISCVTargetLowering &TLI) + : CallLowering(&TLI) {} + +bool RISCVCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder, + const Value *Val, + ArrayRef VRegs) const { + + MachineInstrBuilder Ret = MIRBuilder.buildInstrNoInsert(RISCV::PseudoRET); + + if (Val != nullptr) { + return false; + } + MIRBuilder.insertInstr(Ret); + return true; +} + +bool RISCVCallLowering::lowerFormalArguments( + MachineIRBuilder &MIRBuilder, const Function &F, + ArrayRef> VRegs) const { + + if (F.arg_empty()) + return true; + + return false; +} + +bool RISCVCallLowering::lowerCall(MachineIRBuilder &MIRBuilder, + CallLoweringInfo &Info) const { + return false; +} Index: llvm/trunk/lib/Target/RISCV/RISCVInstructionSelector.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVInstructionSelector.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVInstructionSelector.cpp @@ -0,0 +1,103 @@ +//===-- RISCVInstructionSelector.cpp -----------------------------*- C++ -*-==// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file implements the targeting of the InstructionSelector class for +/// RISCV. +/// \todo This should be generated by TableGen. +//===----------------------------------------------------------------------===// + +#include "RISCVRegisterBankInfo.h" +#include "RISCVSubtarget.h" +#include "RISCVTargetMachine.h" +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h" +#include "llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h" +#include "llvm/Support/Debug.h" + +#define DEBUG_TYPE "riscv-isel" + +using namespace llvm; + +#define GET_GLOBALISEL_PREDICATE_BITSET +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_PREDICATE_BITSET + +namespace { + +class RISCVInstructionSelector : public InstructionSelector { +public: + RISCVInstructionSelector(const RISCVTargetMachine &TM, + const RISCVSubtarget &STI, + const RISCVRegisterBankInfo &RBI); + + bool select(MachineInstr &I) override; + static const char *getName() { return DEBUG_TYPE; } + +private: + bool selectImpl(MachineInstr &I, CodeGenCoverage &CoverageInfo) const; + + const RISCVSubtarget &STI; + const RISCVInstrInfo &TII; + const RISCVRegisterInfo &TRI; + const RISCVRegisterBankInfo &RBI; + + // FIXME: This is necessary because DAGISel uses "Subtarget->" and GlobalISel + // uses "STI." in the code generated by TableGen. We need to unify the name of + // Subtarget variable. + const RISCVSubtarget *Subtarget = &STI; + +#define GET_GLOBALISEL_PREDICATES_DECL +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_PREDICATES_DECL + +#define GET_GLOBALISEL_TEMPORARIES_DECL +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_TEMPORARIES_DECL +}; + +} // end anonymous namespace + +#define GET_GLOBALISEL_IMPL +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_IMPL + +RISCVInstructionSelector::RISCVInstructionSelector( + const RISCVTargetMachine &TM, const RISCVSubtarget &STI, + const RISCVRegisterBankInfo &RBI) + : InstructionSelector(), STI(STI), TII(*STI.getInstrInfo()), + TRI(*STI.getRegisterInfo()), RBI(RBI), + +#define GET_GLOBALISEL_PREDICATES_INIT +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_PREDICATES_INIT +#define GET_GLOBALISEL_TEMPORARIES_INIT +#include "RISCVGenGlobalISel.inc" +#undef GET_GLOBALISEL_TEMPORARIES_INIT +{ +} + +bool RISCVInstructionSelector::select(MachineInstr &I) { + + if (!isPreISelGenericOpcode(I.getOpcode())) { + // Certain non-generic instructions also need some special handling. + return true; + } + + if (selectImpl(I, *CoverageInfo)) + return true; + + return false; +} + +namespace llvm { +InstructionSelector * +createRISCVInstructionSelector(const RISCVTargetMachine &TM, + RISCVSubtarget &Subtarget, + RISCVRegisterBankInfo &RBI) { + return new RISCVInstructionSelector(TM, Subtarget, RBI); +} +} // end namespace llvm Index: llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.h =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.h +++ llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.h @@ -0,0 +1,28 @@ +//===-- RISCVLegalizerInfo.h ------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file declares the targeting of the Machinelegalizer class for RISCV. +/// \todo This should be generated by TableGen. +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_RISCV_RISCVMACHINELEGALIZER_H +#define LLVM_LIB_TARGET_RISCV_RISCVMACHINELEGALIZER_H + +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" + +namespace llvm { + +class RISCVSubtarget; + +/// This class provides the information for the target register banks. +class RISCVLegalizerInfo : public LegalizerInfo { +public: + RISCVLegalizerInfo(const RISCVSubtarget &ST); +}; +} // end namespace llvm +#endif Index: llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVLegalizerInfo.cpp @@ -0,0 +1,23 @@ +//===-- RISCVLegalizerInfo.cpp ----------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file implements the targeting of the Machinelegalizer class for RISCV. +/// \todo This should be generated by TableGen. +//===----------------------------------------------------------------------===// + +#include "RISCVLegalizerInfo.h" +#include "llvm/CodeGen/TargetOpcodes.h" +#include "llvm/CodeGen/ValueTypes.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/Type.h" + +using namespace llvm; + +RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) { + computeTables(); +} Index: llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.h =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.h +++ llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.h @@ -0,0 +1,37 @@ +//===-- RISCVRegisterBankInfo.h ---------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file declares the targeting of the RegisterBankInfo class for RISCV. +/// \todo This should be generated by TableGen. +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_RISCV_RISCVREGISTERBANKINFO_H +#define LLVM_LIB_TARGET_RISCV_RISCVREGISTERBANKINFO_H + +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h" + +#define GET_REGBANK_DECLARATIONS +#include "RISCVGenRegisterBank.inc" + +namespace llvm { + +class TargetRegisterInfo; + +class RISCVGenRegisterBankInfo : public RegisterBankInfo { +protected: +#define GET_TARGET_REGBANK_CLASS +#include "RISCVGenRegisterBank.inc" +}; + +/// This class provides the information for the target register banks. +class RISCVRegisterBankInfo final : public RISCVGenRegisterBankInfo { +public: + RISCVRegisterBankInfo(const TargetRegisterInfo &TRI); +}; +} // end namespace llvm +#endif Index: llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVRegisterBankInfo.cpp @@ -0,0 +1,26 @@ +//===-- RISCVRegisterBankInfo.cpp -------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// \file +/// This file implements the targeting of the RegisterBankInfo class for RISCV. +/// \todo This should be generated by TableGen. +//===----------------------------------------------------------------------===// + +#include "RISCVRegisterBankInfo.h" +#include "MCTargetDesc/RISCVMCTargetDesc.h" +#include "llvm/CodeGen/GlobalISel/RegisterBank.h" +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h" +#include "llvm/CodeGen/MachineRegisterInfo.h" +#include "llvm/CodeGen/TargetRegisterInfo.h" + +#define GET_TARGET_REGBANK_IMPL +#include "RISCVGenRegisterBank.inc" + +using namespace llvm; + +RISCVRegisterBankInfo::RISCVRegisterBankInfo(const TargetRegisterInfo &TRI) + : RISCVGenRegisterBankInfo() {} Index: llvm/trunk/lib/Target/RISCV/RISCVRegisterBanks.td =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVRegisterBanks.td +++ llvm/trunk/lib/Target/RISCV/RISCVRegisterBanks.td @@ -0,0 +1,13 @@ +//=-- RISCVRegisterBank.td - Describe the RISCV Banks --------*- tablegen -*-=// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// +//===----------------------------------------------------------------------===// + +/// General Purpose Registers: X. +def GPRRegBank : RegisterBank<"GPRB", [GPR]>; Index: llvm/trunk/lib/Target/RISCV/RISCVSubtarget.h =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVSubtarget.h +++ llvm/trunk/lib/Target/RISCV/RISCVSubtarget.h @@ -17,6 +17,10 @@ #include "RISCVISelLowering.h" #include "RISCVInstrInfo.h" #include "Utils/RISCVBaseInfo.h" +#include "llvm/CodeGen/GlobalISel/CallLowering.h" +#include "llvm/CodeGen/GlobalISel/InstructionSelector.h" +#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" +#include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h" #include "llvm/CodeGen/SelectionDAGTargetInfo.h" #include "llvm/CodeGen/TargetSubtargetInfo.h" #include "llvm/IR/DataLayout.h" @@ -86,6 +90,19 @@ MVT getXLenVT() const { return XLenVT; } unsigned getXLen() const { return XLen; } RISCVABI::ABI getTargetABI() const { return TargetABI; } + +protected: + // GlobalISel related APIs. + std::unique_ptr CallLoweringInfo; + std::unique_ptr InstSelector; + std::unique_ptr Legalizer; + std::unique_ptr RegBankInfo; + +public: + const CallLowering *getCallLowering() const override; + InstructionSelector *getInstructionSelector() const override; + const LegalizerInfo *getLegalizerInfo() const override; + const RegisterBankInfo *getRegBankInfo() const override; }; } // End llvm namespace Index: llvm/trunk/lib/Target/RISCV/RISCVSubtarget.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVSubtarget.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVSubtarget.cpp @@ -12,7 +12,11 @@ #include "RISCVSubtarget.h" #include "RISCV.h" +#include "RISCVCallLowering.h" #include "RISCVFrameLowering.h" +#include "RISCVLegalizerInfo.h" +#include "RISCVRegisterBankInfo.h" +#include "RISCVTargetMachine.h" #include "llvm/Support/TargetRegistry.h" using namespace llvm; @@ -47,4 +51,28 @@ StringRef ABIName, const TargetMachine &TM) : RISCVGenSubtargetInfo(TT, CPU, FS), FrameLowering(initializeSubtargetDependencies(TT, CPU, FS, ABIName)), - InstrInfo(), RegInfo(getHwMode()), TLInfo(TM, *this) {} + InstrInfo(), RegInfo(getHwMode()), TLInfo(TM, *this) { + CallLoweringInfo.reset(new RISCVCallLowering(*getTargetLowering())); + Legalizer.reset(new RISCVLegalizerInfo(*this)); + + auto *RBI = new RISCVRegisterBankInfo(*getRegisterInfo()); + RegBankInfo.reset(RBI); + InstSelector.reset(createRISCVInstructionSelector( + *static_cast(&TM), *this, *RBI)); +} + +const CallLowering *RISCVSubtarget::getCallLowering() const { + return CallLoweringInfo.get(); +} + +InstructionSelector *RISCVSubtarget::getInstructionSelector() const { + return InstSelector.get(); +} + +const LegalizerInfo *RISCVSubtarget::getLegalizerInfo() const { + return Legalizer.get(); +} + +const RegisterBankInfo *RISCVSubtarget::getRegBankInfo() const { + return RegBankInfo.get(); +} Index: llvm/trunk/lib/Target/RISCV/RISCVTargetMachine.cpp =================================================================== --- llvm/trunk/lib/Target/RISCV/RISCVTargetMachine.cpp +++ llvm/trunk/lib/Target/RISCV/RISCVTargetMachine.cpp @@ -17,6 +17,10 @@ #include "TargetInfo/RISCVTargetInfo.h" #include "llvm/ADT/STLExtras.h" #include "llvm/Analysis/TargetTransformInfo.h" +#include "llvm/CodeGen/GlobalISel/IRTranslator.h" +#include "llvm/CodeGen/GlobalISel/InstructionSelect.h" +#include "llvm/CodeGen/GlobalISel/Legalizer.h" +#include "llvm/CodeGen/GlobalISel/RegBankSelect.h" #include "llvm/CodeGen/Passes.h" #include "llvm/CodeGen/TargetLoweringObjectFileImpl.h" #include "llvm/CodeGen/TargetPassConfig.h" @@ -30,6 +34,7 @@ RegisterTargetMachine X(getTheRISCV32Target()); RegisterTargetMachine Y(getTheRISCV64Target()); auto PR = PassRegistry::getPassRegistry(); + initializeGlobalISel(*PR); initializeRISCVExpandPseudoPass(*PR); } @@ -80,6 +85,10 @@ void addIRPasses() override; bool addInstSelector() override; + bool addIRTranslator() override; + bool addLegalizeMachineIR() override; + bool addRegBankSelect() override; + bool addGlobalInstructionSelect() override; void addPreEmitPass() override; void addPreEmitPass2() override; void addPreRegAlloc() override; @@ -101,6 +110,26 @@ return false; } +bool RISCVPassConfig::addIRTranslator() { + addPass(new IRTranslator()); + return false; +} + +bool RISCVPassConfig::addLegalizeMachineIR() { + addPass(new Legalizer()); + return false; +} + +bool RISCVPassConfig::addRegBankSelect() { + addPass(new RegBankSelect()); + return false; +} + +bool RISCVPassConfig::addGlobalInstructionSelect() { + addPass(new InstructionSelect()); + return false; +} + void RISCVPassConfig::addPreEmitPass() { addPass(&BranchRelaxationPassID); } void RISCVPassConfig::addPreEmitPass2() { Index: llvm/trunk/test/CodeGen/RISCV/GlobalISel/calllowering-ret.ll =================================================================== --- llvm/trunk/test/CodeGen/RISCV/GlobalISel/calllowering-ret.ll +++ llvm/trunk/test/CodeGen/RISCV/GlobalISel/calllowering-ret.ll @@ -0,0 +1,17 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=riscv32 -global-isel -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV32I %s +; RUN: llc -mtriple=riscv64 -global-isel -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV64I %s + +define void @foo() { + ; RV32I-LABEL: foo + ; RV32I: # %bb.0: # %entry + ; RV32I: ret + + ; RV64I-LABEL: foo + ; RV64I: # %bb.0: # %entry + ; RV64I: ret +entry: + ret void +} Index: llvm/trunk/test/CodeGen/RISCV/GlobalISel/irtranslator-calllowering.ll =================================================================== --- llvm/trunk/test/CodeGen/RISCV/GlobalISel/irtranslator-calllowering.ll +++ llvm/trunk/test/CodeGen/RISCV/GlobalISel/irtranslator-calllowering.ll @@ -0,0 +1,17 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=riscv32 -global-isel -stop-after=irtranslator -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV32I %s +; RUN: llc -mtriple=riscv64 -global-isel -stop-after=irtranslator -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV64I %s + +define void @foo() { + ; RV32I-LABEL: name: foo + ; RV32I: bb.1.entry: + ; RV32I-NEXT: PseudoRET + + ; RV64I-LABEL: name: foo + ; RV64I: bb.1.entry: + ; RV64I-NEXT: PseudoRET +entry: + ret void +}