Fix an error in ConstantRange::getSignedMax on wrapped ranges. Thanks once
again to Daniel Dunbar and KLEE!
llvm-svn: 75449
diff --git a/llvm/unittests/Support/ConstantRangeTest.cpp b/llvm/unittests/Support/ConstantRangeTest.cpp
index f929425..3ebb929 100644
--- a/llvm/unittests/Support/ConstantRangeTest.cpp
+++ b/llvm/unittests/Support/ConstantRangeTest.cpp
@@ -137,6 +137,10 @@
EXPECT_EQ(One.getSignedMin(), APInt(16, 0xa));
EXPECT_EQ(Some.getSignedMin(), APInt(16, 0xa));
EXPECT_EQ(Wrap.getSignedMin(), APInt(16, INT16_MIN));
+
+ // Found by Klee
+ EXPECT_EQ(ConstantRange(APInt(4, 7), APInt(4, 0)).getSignedMax(),
+ APInt(4, 7));
}
TEST_F(ConstantRangeTest, Trunc) {