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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207540 91177308-0d34-0410-b5e6-96231b3b80d8
91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
//===- unittest/Support/BranchProbabilityTest.cpp - BranchProbability tests -=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/BranchProbability.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace llvm {
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void PrintTo(const BranchProbability &P, ::std::ostream *os) {
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*os << P.getNumerator() << "/" << P.getDenominator();
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}
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}
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namespace {
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typedef BranchProbability BP;
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TEST(BranchProbabilityTest, Accessors) {
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EXPECT_EQ(1u, BP(1, 7).getNumerator());
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EXPECT_EQ(7u, BP(1, 7).getDenominator());
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EXPECT_EQ(0u, BP::getZero().getNumerator());
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EXPECT_EQ(1u, BP::getZero().getDenominator());
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EXPECT_EQ(1u, BP::getOne().getNumerator());
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EXPECT_EQ(1u, BP::getOne().getDenominator());
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}
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TEST(BranchProbabilityTest, Operators) {
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EXPECT_TRUE(BP(1, 7) < BP(2, 7));
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EXPECT_TRUE(BP(1, 7) < BP(1, 4));
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EXPECT_TRUE(BP(5, 7) < BP(3, 4));
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EXPECT_FALSE(BP(1, 7) < BP(1, 7));
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EXPECT_FALSE(BP(1, 7) < BP(2, 14));
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EXPECT_FALSE(BP(4, 7) < BP(1, 2));
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EXPECT_FALSE(BP(4, 7) < BP(3, 7));
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EXPECT_FALSE(BP(1, 7) > BP(2, 7));
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EXPECT_FALSE(BP(1, 7) > BP(1, 4));
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EXPECT_FALSE(BP(5, 7) > BP(3, 4));
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EXPECT_FALSE(BP(1, 7) > BP(1, 7));
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EXPECT_FALSE(BP(1, 7) > BP(2, 14));
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EXPECT_TRUE(BP(4, 7) > BP(1, 2));
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EXPECT_TRUE(BP(4, 7) > BP(3, 7));
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EXPECT_TRUE(BP(1, 7) <= BP(2, 7));
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EXPECT_TRUE(BP(1, 7) <= BP(1, 4));
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EXPECT_TRUE(BP(5, 7) <= BP(3, 4));
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EXPECT_TRUE(BP(1, 7) <= BP(1, 7));
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EXPECT_TRUE(BP(1, 7) <= BP(2, 14));
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EXPECT_FALSE(BP(4, 7) <= BP(1, 2));
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EXPECT_FALSE(BP(4, 7) <= BP(3, 7));
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EXPECT_FALSE(BP(1, 7) >= BP(2, 7));
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EXPECT_FALSE(BP(1, 7) >= BP(1, 4));
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EXPECT_FALSE(BP(5, 7) >= BP(3, 4));
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EXPECT_TRUE(BP(1, 7) >= BP(1, 7));
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EXPECT_TRUE(BP(1, 7) >= BP(2, 14));
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EXPECT_TRUE(BP(4, 7) >= BP(1, 2));
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EXPECT_TRUE(BP(4, 7) >= BP(3, 7));
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EXPECT_FALSE(BP(1, 7) == BP(2, 7));
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EXPECT_FALSE(BP(1, 7) == BP(1, 4));
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EXPECT_FALSE(BP(5, 7) == BP(3, 4));
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EXPECT_TRUE(BP(1, 7) == BP(1, 7));
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EXPECT_TRUE(BP(1, 7) == BP(2, 14));
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EXPECT_FALSE(BP(4, 7) == BP(1, 2));
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EXPECT_FALSE(BP(4, 7) == BP(3, 7));
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EXPECT_TRUE(BP(1, 7) != BP(2, 7));
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EXPECT_TRUE(BP(1, 7) != BP(1, 4));
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EXPECT_TRUE(BP(5, 7) != BP(3, 4));
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EXPECT_FALSE(BP(1, 7) != BP(1, 7));
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EXPECT_FALSE(BP(1, 7) != BP(2, 14));
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EXPECT_TRUE(BP(4, 7) != BP(1, 2));
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EXPECT_TRUE(BP(4, 7) != BP(3, 7));
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}
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TEST(BranchProbabilityTest, getCompl) {
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EXPECT_EQ(BP(5, 7), BP(2, 7).getCompl());
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EXPECT_EQ(BP(2, 7), BP(5, 7).getCompl());
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EXPECT_EQ(BP::getZero(), BP(7, 7).getCompl());
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EXPECT_EQ(BP::getOne(), BP(0, 7).getCompl());
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}
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}
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