49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//===- SSAContext.cpp -------------------------------------------*- 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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/// \file
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///
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/// This file defines a specialization of the GenericSSAContext<X>
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/// template class for LLVM IR.
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///
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/SSAContext.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/ModuleSlotTracker.h"
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#include "llvm/IR/Value.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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BasicBlock *SSAContext::getEntryBlock(Function &F) {
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return &F.getEntryBlock();
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}
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void SSAContext::setFunction(Function &Fn) { F = &Fn; }
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Printable SSAContext::print(Value *V) const {
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return Printable([V](raw_ostream &Out) { V->print(Out); });
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}
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Printable SSAContext::print(Instruction *Inst) const {
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return print(cast<Value>(Inst));
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}
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Printable SSAContext::print(BasicBlock *BB) const {
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if (BB->hasName())
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return Printable([BB](raw_ostream &Out) { Out << BB->getName(); });
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return Printable([BB](raw_ostream &Out) {
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ModuleSlotTracker MST{BB->getParent()->getParent(), false};
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MST.incorporateFunction(*BB->getParent());
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Out << MST.getLocalSlot(BB);
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});
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}
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