From f02a8070eb01075993129d32ac264c651be55d62 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Mon, 7 Apr 2008 17:03:16 +0000 Subject: Testcase for pr2169. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Analysis/Andersens/2008-04-07-Memcpy.ll | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 test/Analysis/Andersens/2008-04-07-Memcpy.ll (limited to 'test/Analysis') 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 ; [#uses=6] + call void @llvm.memcpy.i32( i8* %copy, i8* %x, i32 1, i32 4 ) + %tmp = load i8* %copy ; [#uses=1] + call void @use(i8 %tmp) + ret void +} -- cgit v1.1