2019-10-30 07:16:05 +08:00
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//===- llvm/unittest/ADT/FloatingPointMode.cpp ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/FloatingPointMode.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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2019-11-07 09:10:52 +08:00
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TEST(FloatingPointModeTest, ParseDenormalFPAttributeComponent) {
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EXPECT_EQ(DenormalMode::IEEE, parseDenormalFPAttributeComponent("ieee"));
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EXPECT_EQ(DenormalMode::IEEE, parseDenormalFPAttributeComponent(""));
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2019-10-30 07:16:05 +08:00
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EXPECT_EQ(DenormalMode::PreserveSign,
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2019-11-07 09:10:52 +08:00
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parseDenormalFPAttributeComponent("preserve-sign"));
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2019-10-30 07:16:05 +08:00
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EXPECT_EQ(DenormalMode::PositiveZero,
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2019-11-07 09:10:52 +08:00
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parseDenormalFPAttributeComponent("positive-zero"));
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EXPECT_EQ(DenormalMode::Invalid, parseDenormalFPAttributeComponent("foo"));
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2019-10-30 07:16:05 +08:00
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}
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TEST(FloatingPointModeTest, DenormalAttributeName) {
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2019-11-07 09:10:52 +08:00
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EXPECT_EQ("ieee", denormalModeKindName(DenormalMode::IEEE));
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EXPECT_EQ("preserve-sign", denormalModeKindName(DenormalMode::PreserveSign));
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EXPECT_EQ("positive-zero", denormalModeKindName(DenormalMode::PositiveZero));
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EXPECT_EQ("", denormalModeKindName(DenormalMode::Invalid));
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}
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TEST(FloatingPointModeTest, ParseDenormalFPAttribute) {
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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parseDenormalFPAttribute("ieee"));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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parseDenormalFPAttribute("ieee,ieee"));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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parseDenormalFPAttribute("ieee,"));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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parseDenormalFPAttribute(""));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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parseDenormalFPAttribute(","));
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EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
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parseDenormalFPAttribute("preserve-sign"));
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EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
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parseDenormalFPAttribute("preserve-sign,"));
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EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
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parseDenormalFPAttribute("preserve-sign,preserve-sign"));
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EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
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parseDenormalFPAttribute("positive-zero"));
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EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
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parseDenormalFPAttribute("positive-zero,positive-zero"));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::PositiveZero),
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parseDenormalFPAttribute("ieee,positive-zero"));
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EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::IEEE),
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parseDenormalFPAttribute("positive-zero,ieee"));
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EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE),
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parseDenormalFPAttribute("preserve-sign,ieee"));
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign),
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parseDenormalFPAttribute("ieee,preserve-sign"));
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EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
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parseDenormalFPAttribute("foo"));
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EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
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parseDenormalFPAttribute("foo,foo"));
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EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
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parseDenormalFPAttribute("foo,bar"));
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}
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TEST(FloatingPointModeTest, RenderDenormalFPAttribute) {
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EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
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parseDenormalFPAttribute("foo"));
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EXPECT_EQ("ieee,ieee",
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DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).str());
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EXPECT_EQ(",",
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DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid).str());
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EXPECT_EQ(
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"preserve-sign,preserve-sign",
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DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign).str());
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EXPECT_EQ(
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"positive-zero,positive-zero",
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DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero).str());
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EXPECT_EQ(
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"ieee,preserve-sign",
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DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign).str());
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EXPECT_EQ(
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"preserve-sign,ieee",
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DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE).str());
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EXPECT_EQ(
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"preserve-sign,positive-zero",
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DenormalMode(DenormalMode::PreserveSign, DenormalMode::PositiveZero).str());
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}
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TEST(FloatingPointModeTest, DenormalModeIsSimple) {
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EXPECT_TRUE(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).isSimple());
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EXPECT_FALSE(DenormalMode(DenormalMode::IEEE,
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DenormalMode::Invalid).isSimple());
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EXPECT_FALSE(DenormalMode(DenormalMode::PreserveSign,
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DenormalMode::PositiveZero).isSimple());
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}
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TEST(FloatingPointModeTest, DenormalModeIsValid) {
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EXPECT_TRUE(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).isValid());
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EXPECT_FALSE(DenormalMode(DenormalMode::IEEE, DenormalMode::Invalid).isValid());
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EXPECT_FALSE(DenormalMode(DenormalMode::Invalid, DenormalMode::IEEE).isValid());
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EXPECT_FALSE(DenormalMode(DenormalMode::Invalid,
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DenormalMode::Invalid).isValid());
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}
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TEST(FloatingPointModeTest, DenormalModeConstructor) {
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EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
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DenormalMode::getInvalid());
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EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
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DenormalMode::getIEEE());
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EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
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DenormalMode::getPreserveSign());
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EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
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DenormalMode::getPositiveZero());
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2019-10-30 07:16:05 +08:00
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}
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}
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