From: Chris Lattner <sabre@nondot.org>
Date: Sat, 17 May 2008 15:37:38 +0000 (+0000)
Subject: trip count computation deficiency
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b5783106c469b9ec286e7c193e25a9e2f4e80368;p=oota-llvm.git

trip count computation deficiency


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51222 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 2c120896996..1b55ac69bf5 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -806,3 +806,12 @@ To fix this, we need to make CanEvaluateInDifferentType smarter.
 
 //===---------------------------------------------------------------------===//
 
+We should be able to evaluate this loop:
+
+int test(int x_offs) {
+  while (x_offs > 4)
+     x_offs -= 4;
+  return x_offs;
+}
+
+//===---------------------------------------------------------------------===//