From a8b26b87151dde66a9e3e05686a5c6b6ecefacf8 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Sun, 26 Feb 2017 19:28:45 +0000
Subject: [APInt] Remove unnecessary early out from getLowBitsSet. The same
 case is handled equally well by the next check.

llvm-svn: 296299
---
 llvm/unittests/ADT/APIntTest.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'llvm/unittests')

diff --git a/llvm/unittests/ADT/APIntTest.cpp b/llvm/unittests/ADT/APIntTest.cpp
index 30da181a105..fa499bdf22b 100644
--- a/llvm/unittests/ADT/APIntTest.cpp
+++ b/llvm/unittests/ADT/APIntTest.cpp
@@ -1521,3 +1521,13 @@ TEST(APIntTest, extractBits) {
   EXPECT_EQ(static_cast<int64_t>(0xFFFFFFFFFF80007Full),
             i257.extractBits(129, 1).getSExtValue());
 }
+
+TEST(APIntTest, getLowBitsSet) {
+  APInt i128lo64 = APInt::getLowBitsSet(128, 64);
+  EXPECT_EQ(0u, i128lo64.countLeadingOnes());
+  EXPECT_EQ(64u, i128lo64.countLeadingZeros());
+  EXPECT_EQ(64u, i128lo64.getActiveBits());
+  EXPECT_EQ(0u, i128lo64.countTrailingZeros());
+  EXPECT_EQ(64u, i128lo64.countTrailingOnes());
+  EXPECT_EQ(64u, i128lo64.countPopulation());
+}
-- 
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