From 62ede4e3ac2dd7e36353bc9cf98ec7e30bfb36b9 Mon Sep 17 00:00:00 2001
From: Davide Italiano <davide@freebsd.org>
Date: Fri, 11 Nov 2016 02:38:24 +0000
Subject: [PATCH] [ADT/MathExtras] Add tests for PowerOf2Floor (previously
 untested).

llvm-svn: 286551
---
 llvm/unittests/Support/MathExtrasTest.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/llvm/unittests/Support/MathExtrasTest.cpp b/llvm/unittests/Support/MathExtrasTest.cpp
index c8c49506..20d38cc 100644
--- a/llvm/unittests/Support/MathExtrasTest.cpp
+++ b/llvm/unittests/Support/MathExtrasTest.cpp
@@ -171,6 +171,12 @@ TEST(MathExtras, PowerOf2Ceil) {
   EXPECT_EQ(8, PowerOf2Ceil(7));
 }
 
+TEST(MathExtras, PowerOf2Floor) {
+  EXPECT_EQ(0, PowerOf2Floor(0));
+  EXPECT_EQ(8, PowerOf2Floor(8));
+  EXPECT_EQ(4, PowerOf2Floor(7));
+}
+
 TEST(MathExtras, ByteSwap_32) {
   EXPECT_EQ(0x44332211u, ByteSwap_32(0x11223344));
   EXPECT_EQ(0xDDCCBBAAu, ByteSwap_32(0xAABBCCDD));
-- 
2.7.4