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authorDan Gohman <gohman@apple.com>2010-04-26 21:37:43 +0000
committerDan Gohman <gohman@apple.com>2010-04-26 21:37:43 +0000
commit001591a05b4db9231ec1d23b083fa181c1883972 (patch)
tree7823825a553a3e640089cadec7868a2cee1fe2a4 /test
parent6dc467feb05d6dc68b232cf1c4cb764d8652f668 (diff)
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Add a comment to this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102387 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/Analysis/ScalarEvolution/2008-11-18-Stride2.ll3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/Analysis/ScalarEvolution/2008-11-18-Stride2.ll b/test/Analysis/ScalarEvolution/2008-11-18-Stride2.ll
index 102acc6..fa9f21a 100644
--- a/test/Analysis/ScalarEvolution/2008-11-18-Stride2.ll
+++ b/test/Analysis/ScalarEvolution/2008-11-18-Stride2.ll
@@ -1,6 +1,9 @@
; RUN: opt < %s -analyze -scalar-evolution |& grep {/u 3}
; XFAIL: *
+; This is a tricky testcase for unsigned wrap detection which ScalarEvolution
+; doesn't yet know how to do.
+
define i32 @f(i32 %x) nounwind readnone {
entry:
%0 = icmp ugt i32 %x, 999 ; <i1> [#uses=1]