62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===- VPlanBuilder.h - A VPlan utility for constructing VPInstructions ---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file provides a VPlan-based builder utility analogous to IRBuilder.
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/// It provides an instruction-level API for generating VPInstructions while
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/// abstracting away the Recipe manipulation details.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_VECTORIZE_VPLAN_BUILDER_H
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#define LLVM_TRANSFORMS_VECTORIZE_VPLAN_BUILDER_H
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#include "VPlan.h"
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namespace llvm {
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class VPBuilder {
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private:
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VPBasicBlock *BB = nullptr;
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VPBasicBlock::iterator InsertPt = VPBasicBlock::iterator();
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VPInstruction *createInstruction(unsigned Opcode,
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std::initializer_list<VPValue *> Operands) {
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VPInstruction *Instr = new VPInstruction(Opcode, Operands);
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BB->insert(Instr, InsertPt);
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return Instr;
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}
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public:
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VPBuilder() {}
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/// \brief This specifies that created VPInstructions should be appended to
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/// the end of the specified block.
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void setInsertPoint(VPBasicBlock *TheBB) {
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assert(TheBB && "Attempting to set a null insert point");
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BB = TheBB;
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InsertPt = BB->end();
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}
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VPValue *createNot(VPValue *Operand) {
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return createInstruction(VPInstruction::Not, {Operand});
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}
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VPValue *createAnd(VPValue *LHS, VPValue *RHS) {
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return createInstruction(Instruction::BinaryOps::And, {LHS, RHS});
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}
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VPValue *createOr(VPValue *LHS, VPValue *RHS) {
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return createInstruction(Instruction::BinaryOps::Or, {LHS, RHS});
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}
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};
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} // namespace llvm
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#endif // LLVM_TRANSFORMS_VECTORIZE_VPLAN_BUILDER_H
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