commit 406a6502377638f76fec46502248aeb65f419f08
author Benjamin Kramer <benny.kra@googlemail.com> Fri Apr 01 22:29:18 2011 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Fri Apr 01 22:29:18 2011 +0000
tree 957203d4a63108a94e350ac9f4616f729e888052
parent 5337fabdc4b585acbce8489a71e997d1dd0f6e92

Fix comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128745 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/InstCombine/InstCombineCasts.cpp

diff --git a/lib/Transforms/InstCombine/InstCombineCasts.cpp b/lib/Transforms/InstCombine/InstCombineCasts.cpp
index 5dd6fe5..32ab123 100644
--- a/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -883,8 +883,8 @@
   ICmpInst::Predicate Pred = ICI->getPredicate();
 
   if (ConstantInt *Op1C = dyn_cast<ConstantInt>(Op1)) {
-    // (x <s 0) ? -1 : 0 -> ashr x, 31   -> all ones if signed
-    // (x >s -1) ? -1 : 0 -> ashr x, 31  -> all ones if not signed
+    // (x <s  0) ? -1 : 0 -> ashr x, 31        -> all ones if negative
+    // (x >s -1) ? -1 : 0 -> not (ashr x, 31)  -> all ones if positive
     if ((Pred == ICmpInst::ICMP_SLT && Op1C->isZero()) ||
         (Pred == ICmpInst::ICMP_SGT && Op1C->isAllOnesValue())) {