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//===- llvm/unittests/Transforms/Vectorize/VPlanPatternMatchTest.cpp ------===//
//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "../lib/Transforms/Vectorize/VPlanPatternMatch.h"
#include "../lib/Transforms/Vectorize/LoopVectorizationPlanner.h"
#include "../lib/Transforms/Vectorize/VPlan.h"
#include "../lib/Transforms/Vectorize/VPlanHelpers.h"
#include "VPlanTestBase.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "gtest/gtest.h"
namespace llvm {
namespace {
using VPPatternMatchTest = VPlanTestBase;
TEST_F(VPPatternMatchTest, ScalarIVSteps) {
VPlan &Plan = getPlan();
VPBasicBlock *VPBB = Plan.createVPBasicBlock("");
VPBuilder Builder(VPBB);
IntegerType *I64Ty = IntegerType::get(C, 64);
VPValue *StartV = Plan.getOrAddLiveIn(ConstantInt::get(I64Ty, 0));
auto *CanonicalIVPHI = new VPCanonicalIVPHIRecipe(StartV, DebugLoc());
Builder.insert(CanonicalIVPHI);
VPValue *Inc = Plan.getOrAddLiveIn(ConstantInt::get(I64Ty, 1));
VPValue *VF = &Plan.getVF();
VPValue *Steps = Builder.createScalarIVSteps(
Instruction::Add, nullptr, CanonicalIVPHI, Inc, VF, DebugLoc());
VPValue *Inc2 = Plan.getOrAddLiveIn(ConstantInt::get(I64Ty, 2));
VPValue *Steps2 = Builder.createScalarIVSteps(
Instruction::Add, nullptr, CanonicalIVPHI, Inc2, VF, DebugLoc());
using namespace VPlanPatternMatch;
ASSERT_TRUE(match(Steps, m_ScalarIVSteps(m_Specific(CanonicalIVPHI),
m_SpecificInt(1), m_Specific(VF))));
ASSERT_FALSE(
match(Steps2, m_ScalarIVSteps(m_Specific(CanonicalIVPHI),
m_SpecificInt(1), m_Specific(VF))));
ASSERT_TRUE(match(Steps2, m_ScalarIVSteps(m_Specific(CanonicalIVPHI),
m_SpecificInt(2), m_Specific(VF))));
}
} // namespace
} // namespace llvm
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