a58b62b4a2
This method has been commented as deprecated for a while. Remove it and replace all uses with the equivalent getCalledOperand(). I also made a few cleanups in here. For example, to removes use of getElementType on a pointer when we could just use getFunctionType from the call. Differential Revision: https://reviews.llvm.org/D78882
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
//===-- lib/CodeGen/GlobalISel/InlineAsmLowering.cpp ----------------------===//
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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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///
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/// \file
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/// This file implements the lowering from LLVM IR inline asm to MIR INLINEASM
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/GlobalISel/InlineAsmLowering.h"
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#include "llvm/CodeGen/Analysis.h"
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#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
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#include "llvm/CodeGen/GlobalISel/Utils.h"
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#include "llvm/CodeGen/MachineOperand.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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#include "llvm/CodeGen/TargetLowering.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#define DEBUG_TYPE "inline-asm-lowering"
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using namespace llvm;
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void InlineAsmLowering::anchor() {}
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bool InlineAsmLowering::lowerInlineAsm(MachineIRBuilder &MIRBuilder,
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const CallBase &Call) const {
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const InlineAsm *IA = cast<InlineAsm>(Call.getCalledOperand());
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StringRef ConstraintStr = IA->getConstraintString();
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bool HasOnlyMemoryClobber = false;
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if (!ConstraintStr.empty()) {
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// Until we have full inline assembly support, we just try to handle the
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// very simple case of just "~{memory}" to avoid falling back so often.
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if (ConstraintStr != "~{memory}")
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return false;
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HasOnlyMemoryClobber = true;
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}
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unsigned ExtraInfo = 0;
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if (IA->hasSideEffects())
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ExtraInfo |= InlineAsm::Extra_HasSideEffects;
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if (IA->getDialect() == InlineAsm::AD_Intel)
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ExtraInfo |= InlineAsm::Extra_AsmDialect;
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// HACK: special casing for ~memory.
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if (HasOnlyMemoryClobber)
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ExtraInfo |= (InlineAsm::Extra_MayLoad | InlineAsm::Extra_MayStore);
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auto Inst = MIRBuilder.buildInstr(TargetOpcode::INLINEASM)
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.addExternalSymbol(IA->getAsmString().c_str())
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.addImm(ExtraInfo);
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if (const MDNode *SrcLoc = Call.getMetadata("srcloc"))
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Inst.addMetadata(SrcLoc);
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return true;
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}
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