aboutsummaryrefslogtreecommitdiffstats
path: root/test/Analysis
diff options
context:
space:
mode:
authorDuncan Sands <baldrick@free.fr>2008-04-07 17:03:16 +0000
committerDuncan Sands <baldrick@free.fr>2008-04-07 17:03:16 +0000
commitf02a8070eb01075993129d32ac264c651be55d62 (patch)
treec8b75c1c2a93f24153cae406f901ddf1b278c304 /test/Analysis
parent565ada0b35f6d3b03bf32e5219201a436aa8d832 (diff)
downloadexternal_llvm-f02a8070eb01075993129d32ac264c651be55d62.zip
external_llvm-f02a8070eb01075993129d32ac264c651be55d62.tar.gz
external_llvm-f02a8070eb01075993129d32ac264c651be55d62.tar.bz2
Testcase for pr2169.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis')
-rw-r--r--test/Analysis/Andersens/2008-04-07-Memcpy.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Analysis/Andersens/2008-04-07-Memcpy.ll b/test/Analysis/Andersens/2008-04-07-Memcpy.ll
new file mode 100644
index 0000000..9354449
--- /dev/null
+++ b/test/Analysis/Andersens/2008-04-07-Memcpy.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -anders-aa -gvn | llvm-dis | not grep undef
+; PR2169
+
+declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
+declare void @use(i8)
+
+define void @f(i8* %x) {
+entry:
+ %copy = alloca i8 ; <i8*> [#uses=6]
+ call void @llvm.memcpy.i32( i8* %copy, i8* %x, i32 1, i32 4 )
+ %tmp = load i8* %copy ; <i8> [#uses=1]
+ call void @use(i8 %tmp)
+ ret void
+}