diff options
Diffstat (limited to 'llvm/unittests/ADT')
| -rw-r--r-- | llvm/unittests/ADT/APIntTest.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp index 3b7ac5b8940..96fa0ddbeae 100644 --- a/llvm/unittests/ADT/APIntTest.cpp +++ b/llvm/unittests/ADT/APIntTest.cpp @@ -678,6 +678,46 @@ TEST(APIntTest, nearestLogBase2) { EXPECT_EQ(A9.nearestLogBase2(), UINT32_MAX); } +TEST(APIntTest, IsSplat) { + APInt A(32, 0x01010101); + EXPECT_FALSE(A.isSplat(1)); + EXPECT_FALSE(A.isSplat(2)); + EXPECT_FALSE(A.isSplat(4)); + EXPECT_TRUE(A.isSplat(8)); + EXPECT_TRUE(A.isSplat(16)); + EXPECT_TRUE(A.isSplat(32)); + + APInt B(24, 0xAAAAAA); + EXPECT_FALSE(B.isSplat(1)); + EXPECT_TRUE(B.isSplat(2)); + EXPECT_TRUE(B.isSplat(4)); + EXPECT_TRUE(B.isSplat(8)); + EXPECT_TRUE(B.isSplat(24)); + + APInt C(24, 0xABAAAB); + EXPECT_FALSE(C.isSplat(1)); + EXPECT_FALSE(C.isSplat(2)); + EXPECT_FALSE(C.isSplat(4)); + EXPECT_FALSE(C.isSplat(8)); + EXPECT_TRUE(C.isSplat(24)); + + APInt D(32, 0xABBAABBA); + EXPECT_FALSE(D.isSplat(1)); + EXPECT_FALSE(D.isSplat(2)); + EXPECT_FALSE(D.isSplat(4)); + EXPECT_FALSE(D.isSplat(8)); + EXPECT_TRUE(D.isSplat(16)); + EXPECT_TRUE(D.isSplat(32)); + + APInt E(32, 0); + EXPECT_TRUE(E.isSplat(1)); + EXPECT_TRUE(E.isSplat(2)); + EXPECT_TRUE(E.isSplat(4)); + EXPECT_TRUE(E.isSplat(8)); + EXPECT_TRUE(E.isSplat(16)); + EXPECT_TRUE(E.isSplat(32)); +} + #if defined(__clang__) // Disable the pragma warning from versions of Clang without -Wself-move #pragma clang diagnostic push |
