commit aaef41f71be7a17dc15887eac918fa54021c68da
author Craig Topper <craig.topper@gmail.com> Mon May 22 00:49:33 2017 +0000
committer Craig Topper <craig.topper@gmail.com> Mon May 22 00:49:33 2017 +0000
tree 9fa70ecd91565e373b52af669aaf5e58a4943ba6
parent d130b6c27d167fe9ba5fc270daf295125359d6d8

[KnownBits] Use isNegative/isNonNegative to shorten some code. NFC

llvm-svn: 303522

llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
index 0ca62b7..f32ee96 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -869,8 +869,8 @@
 
   // Subtraction of two 2's complement numbers having identical signs will
   // never overflow.
-  if ((LHSKnown.One[BitWidth - 1] && RHSKnown.One[BitWidth - 1]) ||
-      (LHSKnown.Zero[BitWidth - 1] && RHSKnown.Zero[BitWidth - 1]))
+  if ((LHSKnown.isNegative() && RHSKnown.isNegative()) ||
+      (LHSKnown.isNonNegative() && RHSKnown.isNonNegative()))
     return true;
 
   // TODO: implement logic similar to checkRippleForAdd