commit 7d7b6d767dd9962fb6b1779dfc237a617a4a794b
author Craig Topper <craig.topper@gmail.com> Sun Feb 26 19:28:48 2017 +0000
committer Craig Topper <craig.topper@gmail.com> Sun Feb 26 19:28:48 2017 +0000
tree d57f3c075f9e5bd9999c0949636bd06aa0b82ec1
parent a8b26b87151dde66a9e3e05686a5c6b6ecefacf8

[APInt] Use UINT64_MAX instead of ~0ULL. NFC

llvm-svn: 296300

llvm/unittests/ADT/APIntTest.cpp

diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp
index fa499bd..a818d26 100644
--- a/llvm/unittests/ADT/APIntTest.cpp
+++ b/llvm/unittests/ADT/APIntTest.cpp
@@ -1531,3 +1531,13 @@
   EXPECT_EQ(64u, i128lo64.countTrailingOnes());
   EXPECT_EQ(64u, i128lo64.countPopulation());
 }
+
+TEST(APIntTest, getHighBitsSet) {
+  APInt i64hi32 = APInt::getHighBitsSet(64, 32);
+  EXPECT_EQ(32u, i64hi32.countLeadingOnes());
+  EXPECT_EQ(0u, i64hi32.countLeadingZeros());
+  EXPECT_EQ(64u, i64hi32.getActiveBits());
+  EXPECT_EQ(32u, i64hi32.countTrailingZeros());
+  EXPECT_EQ(0u, i64hi32.countTrailingOnes());
+  EXPECT_EQ(32u, i64hi32.countPopulation());
+}