From 4fb2116ee7f19d8048f4d64933b3e8666e3658c2 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Sat, 6 Jun 2020 19:37:43 -0400 Subject: [PATCH] GlobalISel: Add unit tests for some utils functions The test constants were originally constexpr, but this apparently crashes old versions of gcc. --- llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt | 1 + .../CodeGen/GlobalISel/GISelUtilsTest.cpp | 117 +++++++++++++++++++++ 2 files changed, 118 insertions(+) create mode 100644 llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp diff --git a/llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt b/llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt index 43a0302..7ca77b9 100644 --- a/llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt +++ b/llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt @@ -19,4 +19,5 @@ add_llvm_unittest(GlobalISelTests GISelMITest.cpp PatternMatchTest.cpp KnownBitsTest.cpp + GISelUtilsTest.cpp ) diff --git a/llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp b/llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp new file mode 100644 index 0000000..cd788be --- /dev/null +++ b/llvm/unittests/CodeGen/GlobalISel/GISelUtilsTest.cpp @@ -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)); +} + +} -- 2.7.4