227496dc09
In the past, when construct RISCVAsmBackend, MCTargetOptions.ABIName would be passed and stored in RISCVAsmBackend. But MCTargetOptions.ABIName can only be specified by -target-abi xxx in command line, if the .ll file has target-abi attribute, the codegen module will ignore it. And the generated object file would have incorrect EFlags value. https://github.com/llvm/llvm-project/issues/50591 also caused by this problem. This patch override the AsmPrinter::emitFunctionEntryLabel function and use it to set the target abi value that get from .ll file's target-abi attribute. And storing the target-abi in RISCVTargetStreamer instead of RISCVAsmBackend. Differential Revision: https://reviews.llvm.org/D121183
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
//===-- RISCVTargetStreamer.h - RISCV Target Streamer ----------*- C++ -*--===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H
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#define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H
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#include "RISCV.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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namespace llvm {
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class formatted_raw_ostream;
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class RISCVTargetStreamer : public MCTargetStreamer {
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RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown;
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public:
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RISCVTargetStreamer(MCStreamer &S);
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void finish() override;
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virtual void emitDirectiveOptionPush();
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virtual void emitDirectiveOptionPop();
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virtual void emitDirectiveOptionPIC();
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virtual void emitDirectiveOptionNoPIC();
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virtual void emitDirectiveOptionRVC();
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virtual void emitDirectiveOptionNoRVC();
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virtual void emitDirectiveOptionRelax();
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virtual void emitDirectiveOptionNoRelax();
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virtual void emitAttribute(unsigned Attribute, unsigned Value);
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virtual void finishAttributeSection();
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virtual void emitTextAttribute(unsigned Attribute, StringRef String);
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virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
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StringRef StringValue);
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void emitTargetAttributes(const MCSubtargetInfo &STI);
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void setTargetABI(RISCVABI::ABI ABI);
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RISCVABI::ABI getTargetABI() const { return TargetABI; }
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};
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// This part is for ascii assembly output
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class RISCVTargetAsmStreamer : public RISCVTargetStreamer {
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formatted_raw_ostream &OS;
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void finishAttributeSection() override;
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void emitAttribute(unsigned Attribute, unsigned Value) override;
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void emitTextAttribute(unsigned Attribute, StringRef String) override;
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void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
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StringRef StringValue) override;
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public:
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RISCVTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
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void emitDirectiveOptionPush() override;
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void emitDirectiveOptionPop() override;
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void emitDirectiveOptionPIC() override;
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void emitDirectiveOptionNoPIC() override;
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void emitDirectiveOptionRVC() override;
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void emitDirectiveOptionNoRVC() override;
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void emitDirectiveOptionRelax() override;
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void emitDirectiveOptionNoRelax() override;
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};
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}
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#endif
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