commit e6240e8b83e9bd60e622650e9e801ebc957172b4
author Nick Lewycky <nicholas@mxc.ca> Wed Jun 22 21:13:46 2011 +0000
committer Nick Lewycky <nicholas@mxc.ca> Wed Jun 22 21:13:46 2011 +0000
tree 0df58ebda06bf4ac235f9598dc73c8771d85cdaa
parent f78b5952c30b69c764ff48270eb56540a3fa56f3

Fix the implementation of ConstantRange::sub(ConstantRange). Patch by Xi Wang!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133648 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/Support/ConstantRangeTest.cpp

diff --git a/unittests/Support/ConstantRangeTest.cpp b/unittests/Support/ConstantRangeTest.cpp
index 161e2cf..742bcb4 100644
--- a/unittests/Support/ConstantRangeTest.cpp
+++ b/unittests/Support/ConstantRangeTest.cpp
@@ -299,6 +299,8 @@
   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)),