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authorAlexander Kornienko <alexfh@google.com>2013-03-14 10:51:38 +0000
committerAlexander Kornienko <alexfh@google.com>2013-03-14 10:51:38 +0000
commit647735c781c5b37061ee03d6e9e6c7dda92218e2 (patch)
tree5a5e56606d41060263048b5a5586b3d2380898ba /unittests/ADT/APIntTest.cpp
parent6aed25d93d1cfcde5809a73ffa7dc1b0d6396f66 (diff)
parentf635ef401786c84df32090251a8cf45981ecca33 (diff)
Updating branches/google/stable to r176857
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/stable@177040 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/ADT/APIntTest.cpp')
-rw-r--r--unittests/ADT/APIntTest.cpp18
1 files changed, 18 insertions, 0 deletions
diff --git a/unittests/ADT/APIntTest.cpp b/unittests/ADT/APIntTest.cpp
index 2a4c5b4c49..f129fa71c8 100644
--- a/unittests/ADT/APIntTest.cpp
+++ b/unittests/ADT/APIntTest.cpp
@@ -56,6 +56,14 @@ TEST(APIntTest, i33_Count) {
#endif
TEST(APIntTest, i65_Count) {
+ APInt i65(65, 0, true);
+ EXPECT_EQ(65u, i65.countLeadingZeros());
+ EXPECT_EQ(0u, i65.countLeadingOnes());
+ EXPECT_EQ(0u, i65.getActiveBits());
+ EXPECT_EQ(1u, i65.getActiveWords());
+ EXPECT_EQ(65u, i65.countTrailingZeros());
+ EXPECT_EQ(0u, i65.countPopulation());
+
APInt i65minus(65, 0, true);
i65minus.setBit(64);
EXPECT_EQ(0u, i65minus.countLeadingZeros());
@@ -514,4 +522,14 @@ TEST(APIntTest, Rotate) {
EXPECT_EQ(Rot, Big.rotr(144));
}
+TEST(APIntTest, Splat) {
+ APInt ValA(8, 0x01);
+ EXPECT_EQ(ValA, APInt::getSplat(8, ValA));
+ EXPECT_EQ(APInt(64, 0x0101010101010101ULL), APInt::getSplat(64, ValA));
+
+ APInt ValB(3, 5);
+ EXPECT_EQ(APInt(4, 0xD), APInt::getSplat(4, ValB));
+ EXPECT_EQ(APInt(15, 0xDB6D), APInt::getSplat(15, ValB));
+}
+
}