'i8 full-range' sign extended to i16 should equal [-128, 128) not [-128, 127).
Found by Daniel Dunbar and KLEE.
llvm-svn: 75448
diff --git a/llvm/unittests/Support/ConstantRangeTest.cpp b/llvm/unittests/Support/ConstantRangeTest.cpp
index 2b073d8..f929425 100644
--- a/llvm/unittests/Support/ConstantRangeTest.cpp
+++ b/llvm/unittests/Support/ConstantRangeTest.cpp
@@ -175,7 +175,7 @@
ConstantRange SSome = Some.signExtend(20);
ConstantRange SWrap = Wrap.signExtend(20);
EXPECT_EQ(SFull, ConstantRange(APInt(20, INT16_MIN, true),
- APInt(20, INT16_MAX, true)));
+ APInt(20, INT16_MAX + 1, true)));
EXPECT_TRUE(SEmpty.isEmptySet());
EXPECT_EQ(SOne, ConstantRange(APInt(One.getLower()).sext(20),
APInt(One.getUpper()).sext(20)));