X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FSupport%2FConstantRangeTest.cpp;h=742bcb48ecc7768125b96549faf0a5888cc04107;hb=e747fadedf8c5b80f1a0d5e84078a4428e06098e;hp=161e2cfb7e5412aff56e7fc388ad235d23798832;hpb=40f8f6264d5af2c38e797e0dc59827cd231e8ff7;p=oota-llvm.git

diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp
index 161e2cfb7e5..742bcb48ecc 100644
--- a/unittests/Support/ConstantRangeTest.cpp
+++ b/unittests/Support/ConstantRangeTest.cpp
@@ -299,6 +299,8 @@ TEST_F(ConstantRangeTest, Sub) {
   EXPECT_EQ(Empty.sub(APInt(16, 4)), Empty);
   EXPECT_EQ(Some.sub(APInt(16, 4)),
             ConstantRange(APInt(16, 0x6), APInt(16, 0xaa6)));
+  EXPECT_EQ(Some.sub(Some),
+            ConstantRange(APInt(16, 0xf561), APInt(16, 0xaa0)));
   EXPECT_EQ(Wrap.sub(APInt(16, 4)),
             ConstantRange(APInt(16, 0xaa6), APInt(16, 0x6)));
   EXPECT_EQ(One.sub(APInt(16, 4)),