diff options
Diffstat (limited to 'llvm/unittests/ADT/APIntTest.cpp')
| -rw-r--r-- | llvm/unittests/ADT/APIntTest.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp index ec3d5f8..aca4a9a 100644 --- a/llvm/unittests/ADT/APIntTest.cpp +++ b/llvm/unittests/ADT/APIntTest.cpp @@ -1181,18 +1181,22 @@ TEST(APIntTest, SaturatingMath) { APInt AP_100 = APInt(8, 100); APInt AP_200 = APInt(8, 200); + EXPECT_EQ(APInt(8, 100), AP_100.truncUSat(8)); EXPECT_EQ(APInt(7, 100), AP_100.truncUSat(7)); EXPECT_EQ(APInt(6, 63), AP_100.truncUSat(6)); EXPECT_EQ(APInt(5, 31), AP_100.truncUSat(5)); + EXPECT_EQ(APInt(8, 200), AP_200.truncUSat(8)); EXPECT_EQ(APInt(7, 127), AP_200.truncUSat(7)); EXPECT_EQ(APInt(6, 63), AP_200.truncUSat(6)); EXPECT_EQ(APInt(5, 31), AP_200.truncUSat(5)); + EXPECT_EQ(APInt(8, 42), AP_42.truncSSat(8)); EXPECT_EQ(APInt(7, 42), AP_42.truncSSat(7)); EXPECT_EQ(APInt(6, 31), AP_42.truncSSat(6)); EXPECT_EQ(APInt(5, 15), AP_42.truncSSat(5)); + EXPECT_EQ(APInt(8, -56), AP_200.truncSSat(8)); EXPECT_EQ(APInt(7, -56), AP_200.truncSSat(7)); EXPECT_EQ(APInt(6, -32), AP_200.truncSSat(6)); EXPECT_EQ(APInt(5, -16), AP_200.truncSSat(5)); @@ -2637,23 +2641,28 @@ TEST(APIntTest, sext) { EXPECT_EQ(~uint64_t(0), APInt(1, 1).sext(64)); APInt i32_max(APInt::getSignedMaxValue(32).sext(63)); + EXPECT_EQ(i32_max, i32_max.sext(63)); EXPECT_EQ(32U, i32_max.countLeadingZeros()); EXPECT_EQ(0U, i32_max.countTrailingZeros()); EXPECT_EQ(31U, i32_max.countPopulation()); APInt i32_min(APInt::getSignedMinValue(32).sext(63)); + EXPECT_EQ(i32_min, i32_min.sext(63)); EXPECT_EQ(32U, i32_min.countLeadingOnes()); EXPECT_EQ(31U, i32_min.countTrailingZeros()); EXPECT_EQ(32U, i32_min.countPopulation()); APInt i32_neg1(APInt(32, ~uint64_t(0)).sext(63)); + EXPECT_EQ(i32_neg1, i32_neg1.sext(63)); EXPECT_EQ(63U, i32_neg1.countLeadingOnes()); EXPECT_EQ(0U, i32_neg1.countTrailingZeros()); EXPECT_EQ(63U, i32_neg1.countPopulation()); } -TEST(APIntTest, truncOrSelf) { +TEST(APIntTest, trunc) { APInt val(32, 0xFFFFFFFF); + EXPECT_EQ(0xFFFF, val.trunc(16)); + EXPECT_EQ(0xFFFFFFFF, val.trunc(32)); EXPECT_EQ(0xFFFF, val.truncOrSelf(16)); EXPECT_EQ(0xFFFFFFFF, val.truncOrSelf(32)); EXPECT_EQ(0xFFFFFFFF, val.truncOrSelf(64)); |