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GlobalISel: Add unit tests for some utils functions

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The test constants were originally constexpr, but this apparently
crashes old versions of gcc.
This commit is contained in:
Matt Arsenault 2020-06-06 19:37:43 -04:00
parent f4044dd539
commit 4fb2116ee7
2 changed files with 118 additions and 0 deletions
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1
llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt
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@ -19,4 +19,5 @@ add_llvm_unittest(GlobalISelTests
GISelMITest.cpp
PatternMatchTest.cpp
KnownBitsTest.cpp
GISelUtilsTest.cpp
)

117
llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp Normal file
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@ -0,0 +1,117 @@
//===- GISelUtilsTest.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 "llvm/CodeGen/GlobalISel/Utils.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
static const LLT S1 = LLT::scalar(1);
static const LLT S16 = LLT::scalar(16);
static const LLT S32 = LLT::scalar(32);
static const LLT S64 = LLT::scalar(64);
static const LLT P0 = LLT::pointer(0, 64);
static const LLT P1 = LLT::pointer(1, 32);
static const LLT V2S16 = LLT::vector(2, 16);
static const LLT V4S16 = LLT::vector(4, 16);
static const LLT V2S32 = LLT::vector(2, 32);
static const LLT V3S32 = LLT::vector(3, 32);
static const LLT V4S32 = LLT::vector(4, 32);
static const LLT V6S32 = LLT::vector(6, 32);
static const LLT V2P0 = LLT::vector(2, P0);
static const LLT V3P0 = LLT::vector(3, P0);
static const LLT V4P0 = LLT::vector(4, P0);
static const LLT V6P0 = LLT::vector(6, P0);
TEST(GISelUtilsTest, getGCDType) {
EXPECT_EQ(S1, getGCDType(S1, S1));
EXPECT_EQ(S32, getGCDType(S32, S32));
EXPECT_EQ(S1, getGCDType(S1, S32));
EXPECT_EQ(S1, getGCDType(S32, S1));
EXPECT_EQ(S16, getGCDType(S16, S32));
EXPECT_EQ(S16, getGCDType(S32, S16));
EXPECT_EQ(V2S32, getGCDType(V2S32, V2S32));
EXPECT_EQ(S32, getGCDType(V3S32, V2S32));
EXPECT_EQ(S32, getGCDType(V2S32, V3S32));
EXPECT_EQ(V2S16, getGCDType(V4S16, V2S16));
EXPECT_EQ(V2S16, getGCDType(V2S16, V4S16));
EXPECT_EQ(V2S32, getGCDType(V4S32, V2S32));
EXPECT_EQ(V2S32, getGCDType(V2S32, V4S32));
EXPECT_EQ(S16, getGCDType(P0, S16));
EXPECT_EQ(S16, getGCDType(S16, P0));
EXPECT_EQ(S32, getGCDType(P0, S32));
EXPECT_EQ(S32, getGCDType(S32, P0));
EXPECT_EQ(S64, getGCDType(P0, S64));
EXPECT_EQ(S64, getGCDType(S64, P0));
EXPECT_EQ(S32, getGCDType(P0, P1));
EXPECT_EQ(S32, getGCDType(P1, P0));
EXPECT_EQ(P0, getGCDType(V3P0, V2P0));
EXPECT_EQ(P0, getGCDType(V2P0, V3P0));
}
TEST(GISelUtilsTest, getLCMType) {
EXPECT_EQ(S1, getLCMType(S1, S1));
EXPECT_EQ(S32, getLCMType(S32, S1));
EXPECT_EQ(S32, getLCMType(S1, S32));
EXPECT_EQ(S32, getLCMType(S32, S32));
EXPECT_EQ(S32, getLCMType(S32, S16));
EXPECT_EQ(S32, getLCMType(S16, S32));
EXPECT_EQ(S64, getLCMType(S64, P0));
EXPECT_EQ(S64, getLCMType(P0, S64));
EXPECT_EQ(S64, getLCMType(S32, P0));
EXPECT_EQ(S64, getLCMType(P0, S32));
EXPECT_EQ(S32, getLCMType(S32, P1));
EXPECT_EQ(S32, getLCMType(P1, S32));
EXPECT_EQ(S64, getLCMType(P0, P0));
EXPECT_EQ(S32, getLCMType(P1, P1));
EXPECT_EQ(S64, getLCMType(P0, P1));
EXPECT_EQ(S64, getLCMType(P1, P0));
EXPECT_EQ(V2S32, getLCMType(V2S32, V2S32));
EXPECT_EQ(V2S32, getLCMType(V2S32, S32));
EXPECT_EQ(V2S32, getLCMType(S32, V2S32));
EXPECT_EQ(V2S32, getLCMType(V2S32, V2S32));
EXPECT_EQ(V6S32, getLCMType(V2S32, V3S32));
EXPECT_EQ(V6S32, getLCMType(V3S32, V2S32));
EXPECT_EQ(LLT::vector(12, S32), getLCMType(V4S32, V3S32));
EXPECT_EQ(LLT::vector(12, S32), getLCMType(V3S32, V4S32));
EXPECT_EQ(V2P0, getLCMType(V2P0, V2P0));
EXPECT_EQ(V2P0, getLCMType(V2P0, P0));
EXPECT_EQ(V2P0, getLCMType(P0, V2P0));
EXPECT_EQ(V2P0, getLCMType(V2P0, V2P0));
EXPECT_EQ(V6P0, getLCMType(V2P0, V3P0));
EXPECT_EQ(V6P0, getLCMType(V3P0, V2P0));
EXPECT_EQ(LLT::vector(12, P0), getLCMType(V4P0, V3P0));
EXPECT_EQ(LLT::vector(12, P0), getLCMType(V3P0, V4P0));
// FIXME
// EXPECT_EQ(V2S32, getLCMType(V2S32, S64));
// FIXME
//EXPECT_EQ(S64, getLCMType(S64, V2S32));
}
}