Converted a1.ll to unittests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67652 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2009-03-24 21:36:09 +00:00
parent abc061c088
commit 2e734269e3
6 changed files with 197 additions and 49 deletions

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@ -1,25 +0,0 @@
; RUN: llvm-as %s -o - | llvm-dis > %t.ll
; RUN: diff %t.ll %s.out
; test 1 bit
;
@b = constant i1 add(i1 1 , i1 1)
@c = constant i1 add(i1 -1, i1 1)
@d = constant i1 add(i1 -1, i1 -1)
@e = constant i1 sub(i1 -1, i1 1)
@f = constant i1 sub(i1 1 , i1 -1)
@g = constant i1 sub(i1 1 , i1 1)
@h = constant i1 shl(i1 1 , i1 1) ; undefined
@i = constant i1 shl(i1 1 , i1 0)
@j = constant i1 lshr(i1 1, i1 1) ; undefined
@m = constant i1 ashr(i1 1, i1 1) ; undefined
@n = constant i1 mul(i1 -1, i1 1)
@o = constant i1 sdiv(i1 -1, i1 1) ; overflow
@p = constant i1 sdiv(i1 1 , i1 -1); overflow
@q = constant i1 udiv(i1 -1, i1 1)
@r = constant i1 udiv(i1 1, i1 -1)
@s = constant i1 srem(i1 -1, i1 1) ; overflow
@t = constant i1 urem(i1 -1, i1 1)
@u = constant i1 srem(i1 1, i1 -1) ; overflow

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@ -1,19 +0,0 @@
; ModuleID = '<stdin>'
@b = constant i1 false ; <i1*> [#uses=0]
@c = constant i1 false ; <i1*> [#uses=0]
@d = constant i1 false ; <i1*> [#uses=0]
@e = constant i1 false ; <i1*> [#uses=0]
@f = constant i1 false ; <i1*> [#uses=0]
@g = constant i1 false ; <i1*> [#uses=0]
@h = constant i1 undef ; <i1*> [#uses=0]
@i = constant i1 true ; <i1*> [#uses=0]
@j = constant i1 undef ; <i1*> [#uses=0]
@m = constant i1 undef ; <i1*> [#uses=0]
@n = constant i1 true ; <i1*> [#uses=0]
@o = constant i1 true ; <i1*> [#uses=0]
@p = constant i1 true ; <i1*> [#uses=0]
@q = constant i1 true ; <i1*> [#uses=0]
@r = constant i1 true ; <i1*> [#uses=0]
@s = constant i1 false ; <i1*> [#uses=0]
@t = constant i1 false ; <i1*> [#uses=0]
@u = constant i1 false ; <i1*> [#uses=0]

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@ -7,13 +7,29 @@
//
//===----------------------------------------------------------------------===//
#include <ostream>
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/SmallString.h"
using namespace llvm;
namespace {
// Make the Google Test failure output equivalent to APInt::dump()
std::ostream& operator<<(std::ostream &OS, const llvm::APInt& I) {
llvm::raw_os_ostream raw_os(OS);
SmallString<40> S, U;
I.toStringUnsigned(U);
I.toStringSigned(S);
raw_os << "APInt(" << I.getBitWidth()<< "b, "
<< U.c_str() << "u " << S.c_str() << "s)";
raw_os.flush();
return OS;
}
// Test that APInt shift left works when bitwidth > 64 and shiftamt == 0
TEST(APIntTest, ShiftLeftByZero) {
APInt One = APInt::getNullValue(65) + 1;
@ -22,7 +38,7 @@ TEST(APIntTest, ShiftLeftByZero) {
EXPECT_EQ(false, Shl[1]);
}
TEST(APIntTest, I128NegativeCount) {
TEST(APIntTest, i128_NegativeCount) {
APInt Minus3(128, (uint64_t)-3, true);
EXPECT_EQ(126u, Minus3.countLeadingOnes());
EXPECT_EQ(-3, Minus3.getSExtValue());
@ -37,7 +53,7 @@ TEST(APIntTest, I128NegativeCount) {
EXPECT_EQ(-1, Minus1.getSExtValue());
}
TEST(APIntTest, I33Count) {
TEST(APIntTest, i33_Count) {
APInt i33minus2(33, -2, true);
EXPECT_EQ(0u, i33minus2.countLeadingZeros());
EXPECT_EQ(32u, i33minus2.countLeadingOnes());
@ -48,7 +64,7 @@ TEST(APIntTest, I33Count) {
EXPECT_EQ(((uint64_t)-2)&((1ull<<33) -1), i33minus2.getZExtValue());
}
TEST(APIntTest, I65Count) {
TEST(APIntTest, i65_Count) {
APInt i65minus(65, 0, true);
i65minus.set(64);
EXPECT_EQ(0u, i65minus.countLeadingZeros());
@ -58,7 +74,7 @@ TEST(APIntTest, I65Count) {
EXPECT_EQ(1u, i65minus.countPopulation());
}
TEST(APIntTest, I128PositiveCount) {
TEST(APIntTest, i128_PositiveCount) {
APInt u128max = APInt::getAllOnesValue(128);
EXPECT_EQ(128u, u128max.countLeadingOnes());
EXPECT_EQ(0u, u128max.countLeadingZeros());
@ -97,4 +113,67 @@ TEST(APIntTest, I128PositiveCount) {
EXPECT_EQ(1u, one.getZExtValue());
}
TEST(APIntTest, i1) {
const APInt neg_two(1, -2, true);
const APInt neg_one(1, -1, true);
const APInt zero(1, 0);
const APInt one(1, 1);
const APInt two(1, 2);
EXPECT_EQ(0, neg_two.getSExtValue());
EXPECT_EQ(-1, neg_one.getSExtValue());
EXPECT_EQ(1u, neg_one.getZExtValue());
EXPECT_EQ(0u, zero.getZExtValue());
EXPECT_EQ(-1, one.getSExtValue());
EXPECT_EQ(1u, one.getZExtValue());
EXPECT_EQ(0u, two.getZExtValue());
EXPECT_EQ(0, two.getSExtValue());
// Basic equalities for 1-bit values.
EXPECT_EQ(zero, two);
EXPECT_EQ(zero, neg_two);
EXPECT_EQ(one, neg_one);
EXPECT_EQ(two, neg_two);
// Additions.
EXPECT_EQ(two, one + one);
EXPECT_EQ(zero, neg_one + one);
EXPECT_EQ(neg_two, neg_one + neg_one);
// Subtractions.
EXPECT_EQ(neg_two, neg_one - one);
EXPECT_EQ(two, one - neg_one);
EXPECT_EQ(zero, one - one);
// Shifts.
EXPECT_EQ(zero, one << one);
EXPECT_EQ(one, one << zero);
EXPECT_EQ(zero, one.shl(1));
EXPECT_EQ(one, one.shl(0));
EXPECT_EQ(zero, one.lshr(1));
EXPECT_EQ(zero, one.ashr(1));
// Multiplies.
EXPECT_EQ(neg_one, neg_one * one);
EXPECT_EQ(neg_one, one * neg_one);
EXPECT_EQ(one, neg_one * neg_one);
EXPECT_EQ(one, one * one);
// Divides.
EXPECT_EQ(neg_one, one.sdiv(neg_one));
EXPECT_EQ(neg_one, neg_one.sdiv(one));
EXPECT_EQ(one, neg_one.sdiv(neg_one));
EXPECT_EQ(one, one.sdiv(one));
EXPECT_EQ(neg_one, one.udiv(neg_one));
EXPECT_EQ(neg_one, neg_one.udiv(one));
EXPECT_EQ(one, neg_one.udiv(neg_one));
EXPECT_EQ(one, one.udiv(one));
// Remainders.
EXPECT_EQ(zero, neg_one.srem(one));
EXPECT_EQ(zero, neg_one.urem(one));
EXPECT_EQ(zero, one.srem(neg_one));
}
}

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@ -16,7 +16,7 @@ BUILD_ARCHIVE = 1
CPP.Flags += -I$(LLVM_SRC_ROOT)/utils/unittest/googletest/include/
CPP.Flags += -Wno-variadic-macros
PARALLEL_DIRS = ADT Support
PARALLEL_DIRS = ADT Support VMCore
include $(LEVEL)/Makefile.common

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@ -0,0 +1,98 @@
//===- llvm/unittest/VMCore/ConstantsTest.cpp - Constants unit tests ------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "gtest/gtest.h"
namespace llvm {
namespace {
TEST(ConstantsTest, Integer_i1) {
const IntegerType* Int1 = IntegerType::get(1);
Constant* One = ConstantInt::get(Int1, 1, true);
Constant* Zero = ConstantInt::get(Int1, 0);
Constant* NegOne = ConstantInt::get(Int1, -1, true);
Constant* Undef = UndefValue::get(Int1);
// Input: @b = constant i1 add(i1 1 , i1 1)
// Output: @b = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getAdd(One, One));
// @c = constant i1 add(i1 -1, i1 1)
// @c = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getAdd(NegOne, One));
// @d = constant i1 add(i1 -1, i1 -1)
// @d = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getAdd(NegOne, NegOne));
// @e = constant i1 sub(i1 -1, i1 1)
// @e = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSub(NegOne, One));
// @f = constant i1 sub(i1 1 , i1 -1)
// @f = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSub(One, NegOne));
// @g = constant i1 sub(i1 1 , i1 1)
// @g = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSub(One, One));
// @h = constant i1 shl(i1 1 , i1 1) ; undefined
// @h = constant i1 undef
EXPECT_EQ(Undef, ConstantExpr::getShl(One, One));
// @i = constant i1 shl(i1 1 , i1 0)
// @i = constant i1 true
EXPECT_EQ(One, ConstantExpr::getShl(One, Zero));
// @j = constant i1 lshr(i1 1, i1 1) ; undefined
// @j = constant i1 undef
EXPECT_EQ(Undef, ConstantExpr::getLShr(One, One));
// @m = constant i1 ashr(i1 1, i1 1) ; undefined
// @m = constant i1 undef
EXPECT_EQ(Undef, ConstantExpr::getAShr(One, One));
// @n = constant i1 mul(i1 -1, i1 1)
// @n = constant i1 true
EXPECT_EQ(One, ConstantExpr::getMul(NegOne, One));
// @o = constant i1 sdiv(i1 -1, i1 1) ; overflow
// @o = constant i1 true
EXPECT_EQ(One, ConstantExpr::getSDiv(NegOne, One));
// @p = constant i1 sdiv(i1 1 , i1 -1); overflow
// @p = constant i1 true
EXPECT_EQ(One, ConstantExpr::getSDiv(One, NegOne));
// @q = constant i1 udiv(i1 -1, i1 1)
// @q = constant i1 true
EXPECT_EQ(One, ConstantExpr::getUDiv(NegOne, One));
// @r = constant i1 udiv(i1 1, i1 -1)
// @r = constant i1 true
EXPECT_EQ(One, ConstantExpr::getUDiv(One, NegOne));
// @s = constant i1 srem(i1 -1, i1 1) ; overflow
// @s = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSRem(NegOne, One));
// @t = constant i1 urem(i1 -1, i1 1)
// @t = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getURem(NegOne, One));
// @u = constant i1 srem(i1 1, i1 -1) ; overflow
// @u = constant i1 false
EXPECT_EQ(Zero, ConstantExpr::getSRem(One, NegOne));
}
} // end anonymous namespace
} // end namespace llvm

15
unittests/VMCore/Makefile Normal file
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@ -0,0 +1,15 @@
##===- unittests/VMCore/Makefile ---------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
LEVEL = ../..
TESTNAME = VMCore
LINK_COMPONENTS := core support
include $(LEVEL)/Makefile.config
include $(LLVM_SRC_ROOT)/unittests/Makefile.unittest