1; RUN: opt < %s -instcombine -S | not grep call
2; RUN: opt < %s -O3 -S | not grep xyz
3target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
4
5@.str = internal constant [4 x i8] c"xyz\00"		; <[4 x i8]*> [#uses=1]
6
7define void @foo(i8* %P) {
8entry:
9  %P_addr = alloca i8*
10  store i8* %P, i8** %P_addr
11  %tmp = load i8*, i8** %P_addr, align 4
12  %tmp1 = getelementptr [4 x i8], [4 x i8]* @.str, i32 0, i32 0
13  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %tmp, i8* %tmp1, i32 4, i32 1, i1 false)
14  br label %return
15
16return:                                           ; preds = %entry
17  ret void
18}
19
20declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
21