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//===- llvm/unittest/ADT/FloatingPointMode.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/ADT/FloatingPointMode.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(FloatingPointModeTest, ParseDenormalFPAttributeComponent) {
EXPECT_EQ(DenormalMode::IEEE, parseDenormalFPAttributeComponent("ieee"));
EXPECT_EQ(DenormalMode::IEEE, parseDenormalFPAttributeComponent(""));
EXPECT_EQ(DenormalMode::PreserveSign,
parseDenormalFPAttributeComponent("preserve-sign"));
EXPECT_EQ(DenormalMode::PositiveZero,
parseDenormalFPAttributeComponent("positive-zero"));
EXPECT_EQ(DenormalMode::Dynamic,
parseDenormalFPAttributeComponent("dynamic"));
EXPECT_EQ(DenormalMode::Invalid, parseDenormalFPAttributeComponent("foo"));
}
TEST(FloatingPointModeTest, DenormalAttributeName) {
EXPECT_EQ("ieee", denormalModeKindName(DenormalMode::IEEE));
EXPECT_EQ("preserve-sign", denormalModeKindName(DenormalMode::PreserveSign));
EXPECT_EQ("positive-zero", denormalModeKindName(DenormalMode::PositiveZero));
EXPECT_EQ("dynamic", denormalModeKindName(DenormalMode::Dynamic));
EXPECT_EQ("", denormalModeKindName(DenormalMode::Invalid));
}
TEST(FloatingPointModeTest, ParseDenormalFPAttribute) {
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
parseDenormalFPAttribute("ieee"));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
parseDenormalFPAttribute("ieee,ieee"));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
parseDenormalFPAttribute("ieee,"));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
parseDenormalFPAttribute(""));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
parseDenormalFPAttribute(","));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
parseDenormalFPAttribute("preserve-sign"));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
parseDenormalFPAttribute("preserve-sign,"));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
parseDenormalFPAttribute("preserve-sign,preserve-sign"));
EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
parseDenormalFPAttribute("positive-zero"));
EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
parseDenormalFPAttribute("positive-zero,positive-zero"));
EXPECT_EQ(DenormalMode(DenormalMode::Dynamic, DenormalMode::Dynamic),
parseDenormalFPAttribute("dynamic"));
EXPECT_EQ(DenormalMode(DenormalMode::Dynamic, DenormalMode::Dynamic),
parseDenormalFPAttribute("dynamic,dynamic"));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::PositiveZero),
parseDenormalFPAttribute("ieee,positive-zero"));
EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::IEEE),
parseDenormalFPAttribute("positive-zero,ieee"));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE),
parseDenormalFPAttribute("preserve-sign,ieee"));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign),
parseDenormalFPAttribute("ieee,preserve-sign"));
EXPECT_EQ(DenormalMode(DenormalMode::Dynamic, DenormalMode::PreserveSign),
parseDenormalFPAttribute("dynamic,preserve-sign"));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::Dynamic),
parseDenormalFPAttribute("preserve-sign,dynamic"));
EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
parseDenormalFPAttribute("foo"));
EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
parseDenormalFPAttribute("foo,foo"));
EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
parseDenormalFPAttribute("foo,bar"));
}
TEST(FloatingPointModeTest, RenderDenormalFPAttribute) {
EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
parseDenormalFPAttribute("foo"));
EXPECT_EQ("ieee,ieee",
DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).str());
EXPECT_EQ(",",
DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid).str());
EXPECT_EQ(
"preserve-sign,preserve-sign",
DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign).str());
EXPECT_EQ(
"positive-zero,positive-zero",
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero).str());
EXPECT_EQ(
"ieee,preserve-sign",
DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign).str());
EXPECT_EQ(
"preserve-sign,ieee",
DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE).str());
EXPECT_EQ(
"preserve-sign,positive-zero",
DenormalMode(DenormalMode::PreserveSign, DenormalMode::PositiveZero).str());
EXPECT_EQ("dynamic,dynamic",
DenormalMode(DenormalMode::Dynamic, DenormalMode::Dynamic).str());
EXPECT_EQ("ieee,dynamic",
DenormalMode(DenormalMode::IEEE, DenormalMode::Dynamic).str());
EXPECT_EQ("dynamic,ieee",
DenormalMode(DenormalMode::Dynamic, DenormalMode::IEEE).str());
}
TEST(FloatingPointModeTest, DenormalModeIsSimple) {
EXPECT_TRUE(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).isSimple());
EXPECT_FALSE(DenormalMode(DenormalMode::IEEE,
DenormalMode::Invalid).isSimple());
EXPECT_FALSE(DenormalMode(DenormalMode::PreserveSign,
DenormalMode::PositiveZero).isSimple());
EXPECT_FALSE(DenormalMode(DenormalMode::PreserveSign, DenormalMode::Dynamic)
.isSimple());
EXPECT_FALSE(DenormalMode(DenormalMode::Dynamic, DenormalMode::PreserveSign)
.isSimple());
}
TEST(FloatingPointModeTest, DenormalModeIsValid) {
EXPECT_TRUE(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE).isValid());
EXPECT_FALSE(DenormalMode(DenormalMode::IEEE, DenormalMode::Invalid).isValid());
EXPECT_FALSE(DenormalMode(DenormalMode::Invalid, DenormalMode::IEEE).isValid());
EXPECT_FALSE(DenormalMode(DenormalMode::Invalid,
DenormalMode::Invalid).isValid());
}
TEST(FloatingPointModeTest, DenormalModeConstructor) {
EXPECT_EQ(DenormalMode(DenormalMode::Invalid, DenormalMode::Invalid),
DenormalMode::getInvalid());
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::IEEE),
DenormalMode::getIEEE());
EXPECT_EQ(DenormalMode::getIEEE(), DenormalMode::getDefault());
EXPECT_EQ(DenormalMode(DenormalMode::Dynamic, DenormalMode::Dynamic),
DenormalMode::getDynamic());
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::PreserveSign),
DenormalMode::getPreserveSign());
EXPECT_EQ(DenormalMode(DenormalMode::PositiveZero, DenormalMode::PositiveZero),
DenormalMode::getPositiveZero());
}
TEST(FloatingPointModeTest, DenormalModeMerge) {
EXPECT_EQ(
DenormalMode::getInvalid(),
DenormalMode::getInvalid().mergeCalleeMode(DenormalMode::getInvalid()));
EXPECT_EQ(DenormalMode::getIEEE(), DenormalMode::getInvalid().mergeCalleeMode(
DenormalMode::getIEEE()));
EXPECT_EQ(DenormalMode::getInvalid(), DenormalMode::getIEEE().mergeCalleeMode(
DenormalMode::getInvalid()));
EXPECT_EQ(DenormalMode::getIEEE(), DenormalMode::getIEEE().mergeCalleeMode(
DenormalMode::getDynamic()));
EXPECT_EQ(DenormalMode::getPreserveSign(),
DenormalMode::getPreserveSign().mergeCalleeMode(
DenormalMode::getDynamic()));
EXPECT_EQ(DenormalMode::getPositiveZero(),
DenormalMode::getPositiveZero().mergeCalleeMode(
DenormalMode::getDynamic()));
EXPECT_EQ(
DenormalMode::getDynamic(),
DenormalMode::getDynamic().mergeCalleeMode(DenormalMode::getDynamic()));
EXPECT_EQ(DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign),
DenormalMode(DenormalMode::IEEE, DenormalMode::PreserveSign)
.mergeCalleeMode(
DenormalMode(DenormalMode::IEEE, DenormalMode::Dynamic)));
EXPECT_EQ(DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE),
DenormalMode(DenormalMode::PreserveSign, DenormalMode::IEEE)
.mergeCalleeMode(
DenormalMode(DenormalMode::Dynamic, DenormalMode::IEEE)));
EXPECT_EQ(
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign),
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign)
.mergeCalleeMode(
DenormalMode(DenormalMode::Dynamic, DenormalMode::Dynamic)));
EXPECT_EQ(
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign),
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign)
.mergeCalleeMode(
DenormalMode(DenormalMode::PositiveZero, DenormalMode::Dynamic)));
EXPECT_EQ(
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign),
DenormalMode(DenormalMode::PositiveZero, DenormalMode::PreserveSign)
.mergeCalleeMode(
DenormalMode(DenormalMode::Dynamic, DenormalMode::PreserveSign)));
// Test some invalid / undefined behavior cases
EXPECT_EQ(
DenormalMode::getPreserveSign(),
DenormalMode::getIEEE().mergeCalleeMode(DenormalMode::getPreserveSign()));
EXPECT_EQ(
DenormalMode::getPreserveSign(),
DenormalMode::getIEEE().mergeCalleeMode(DenormalMode::getPreserveSign()));
EXPECT_EQ(
DenormalMode::getIEEE(),
DenormalMode::getPreserveSign().mergeCalleeMode(DenormalMode::getIEEE()));
EXPECT_EQ(
DenormalMode::getIEEE(),
DenormalMode::getPreserveSign().mergeCalleeMode(DenormalMode::getIEEE()));
}
TEST(FloatingPointModeTest, DenormalModePredicates) {
EXPECT_TRUE(DenormalMode::getPreserveSign().inputsAreZero());
EXPECT_TRUE(DenormalMode::getPositiveZero().inputsAreZero());
EXPECT_FALSE(DenormalMode::getIEEE().inputsAreZero());
EXPECT_FALSE(DenormalMode::getDynamic().inputsAreZero());
}
}
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