| //===- llvm/unittest/IR/ShuffleVectorInstTest.cpp - Shuffle unit tests ----===// |
| // |
| // 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 "llvm/IR/Instructions.h" |
| #include "gtest/gtest.h" |
| |
| using namespace llvm; |
| |
| namespace { |
| |
| TEST(ShuffleVectorInst, isIdentityMask) { |
| ASSERT_TRUE(ShuffleVectorInst::isIdentityMask({0, 1, 2, 3})); |
| ASSERT_TRUE(ShuffleVectorInst::isIdentityMask({0, 1, 2, 3, -1})); |
| ASSERT_TRUE(ShuffleVectorInst::isIdentityMask({0, 1, -1, 3})); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isIdentityMask({0, 1, 2, 4})); |
| ASSERT_FALSE(ShuffleVectorInst::isIdentityMask({0, -1, 2, 4})); |
| } |
| |
| TEST(ShuffleVectorInst, isSelectMask) { |
| ASSERT_TRUE(ShuffleVectorInst::isSelectMask({0, 5, 6, 3})); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isSelectMask({0, 1, 2, 3})); |
| } |
| |
| TEST(ShuffleVectorInst, isReverseMask) { |
| ASSERT_TRUE(ShuffleVectorInst::isReverseMask({3, 2, 1, 0})); |
| ASSERT_TRUE(ShuffleVectorInst::isReverseMask({-1, -1, 1, 0})); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isReverseMask({4, 3, 2, 1})); |
| } |
| |
| TEST(ShuffleVectorInst, isZeroEltSplatMask) { |
| ASSERT_TRUE(ShuffleVectorInst::isZeroEltSplatMask({0, 0, 0, 0})); |
| ASSERT_TRUE(ShuffleVectorInst::isZeroEltSplatMask({0, -1, 0, -1})); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isZeroEltSplatMask({1, 1, 1, 1})); |
| } |
| |
| TEST(ShuffleVectorInst, isTransposeMask) { |
| ASSERT_TRUE(ShuffleVectorInst::isTransposeMask({0, 4, 2, 6})); |
| ASSERT_TRUE(ShuffleVectorInst::isTransposeMask({1, 5, 3, 7})); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isTransposeMask({2, 6, 4, 8})); |
| } |
| |
| TEST(ShuffleVectorInst, isSpliceMask) { |
| int Index; |
| |
| ASSERT_TRUE(ShuffleVectorInst::isSpliceMask({0, 1, 2, 3}, Index)); |
| ASSERT_EQ(0, Index); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isSpliceMask({1, 2, 3, 4, 5, 6, 7}, Index)); |
| ASSERT_EQ(1, Index); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isSpliceMask({4, 5, 6, 7}, Index)); |
| } |
| |
| TEST(ShuffleVectorInst, isExtractSubvectorMask) { |
| int Index; |
| |
| ASSERT_TRUE( |
| ShuffleVectorInst::isExtractSubvectorMask({0, 1, 2, 3}, 8, Index)); |
| ASSERT_EQ(0, Index); |
| |
| ASSERT_TRUE( |
| ShuffleVectorInst::isExtractSubvectorMask({-1, 3, 4, 5}, 8, Index)); |
| ASSERT_EQ(2, Index); |
| |
| ASSERT_FALSE( |
| ShuffleVectorInst::isExtractSubvectorMask({1, 2, 3, -1}, 4, Index)); |
| } |
| |
| TEST(ShuffleVectorInst, isInsertSubvectorMask) { |
| int NumSubElts, Index; |
| |
| ASSERT_TRUE(ShuffleVectorInst::isInsertSubvectorMask( |
| {8, 9, 10, 11, 4, 5, 6, 7}, 8, NumSubElts, Index)); |
| ASSERT_EQ(0, Index); |
| ASSERT_EQ(4, NumSubElts); |
| |
| ASSERT_TRUE( |
| ShuffleVectorInst::isInsertSubvectorMask({0, 2}, 2, NumSubElts, Index)); |
| ASSERT_EQ(1, Index); |
| ASSERT_EQ(1, NumSubElts); |
| } |
| |
| TEST(ShuffleVectorInst, isReplicationMask) { |
| int ReplicationFactor, VF; |
| |
| ASSERT_TRUE(ShuffleVectorInst::isReplicationMask({0, 0, 1, 1, 2, 2, 3, 3}, |
| ReplicationFactor, VF)); |
| ASSERT_EQ(2, ReplicationFactor); |
| ASSERT_EQ(4, VF); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isReplicationMask( |
| {0, 0, 0, 1, 1, 1, -1, -1, -1, 3, 3, 3, 4, 4, 4}, ReplicationFactor, VF)); |
| ASSERT_EQ(3, ReplicationFactor); |
| ASSERT_EQ(5, VF); |
| } |
| |
| TEST(ShuffleVectorInst, isOneUseSingleSourceMask) { |
| ASSERT_TRUE( |
| ShuffleVectorInst::isOneUseSingleSourceMask({0, 1, 2, 3, 3, 2, 0, 1}, 4)); |
| ASSERT_TRUE( |
| ShuffleVectorInst::isOneUseSingleSourceMask({2, 3, 4, 5, 6, 7, 0, 1}, 8)); |
| |
| ASSERT_FALSE(ShuffleVectorInst::isOneUseSingleSourceMask( |
| {0, -1, 2, 3, 3, 2, 0, 1}, 4)); |
| ASSERT_FALSE( |
| ShuffleVectorInst::isOneUseSingleSourceMask({0, 1, 2, 3, 3, 3, 1, 0}, 4)); |
| } |
| |
| TEST(ShuffleVectorInst, isInterleaveMask) { |
| SmallVector<unsigned> StartIndexes; |
| ASSERT_TRUE(ShuffleVectorInst::isInterleaveMask({0, 4, 1, 5, 2, 6, 3, 7}, 2, |
| 8, StartIndexes)); |
| ASSERT_EQ(StartIndexes, SmallVector<unsigned>({0, 4})); |
| |
| ASSERT_FALSE( |
| ShuffleVectorInst::isInterleaveMask({0, 4, 1, 6, 2, 6, 3, 7}, 2, 8)); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isInterleaveMask({4, 0, 5, 1, 6, 2, 7, 3}, 2, |
| 8, StartIndexes)); |
| ASSERT_EQ(StartIndexes, SmallVector<unsigned>({4, 0})); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isInterleaveMask({4, 0, -1, 1, -1, 2, 7, 3}, 2, |
| 8, StartIndexes)); |
| ASSERT_EQ(StartIndexes, SmallVector<unsigned>({4, 0})); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isInterleaveMask({0, 2, 4, 1, 3, 5}, 3, 6, |
| StartIndexes)); |
| ASSERT_EQ(StartIndexes, SmallVector<unsigned>({0, 2, 4})); |
| |
| ASSERT_TRUE(ShuffleVectorInst::isInterleaveMask({4, -1, 0, 5, 3, 1}, 3, 6, |
| StartIndexes)); |
| ASSERT_EQ(StartIndexes, SmallVector<unsigned>({4, 2, 0})); |
| |
| ASSERT_FALSE( |
| ShuffleVectorInst::isInterleaveMask({8, 2, 12, 4, 9, 3, 13, 5}, 4, 8)); |
| } |
| |
| } // end anonymous namespace |