|  | ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s | 
|  | ; rdar://7396984 | 
|  |  | 
|  | @str = private constant [28 x i8] c"xxxxxxxxxxxxxxxxxxxxxxxxxxx\00", align 1 | 
|  |  | 
|  | define void @t(i32 %count) ssp nounwind { | 
|  | entry: | 
|  | ; CHECK: t: | 
|  | ; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip) | 
|  | ; CHECK: movups L_str(%rip), %xmm0 | 
|  | %tmp0 = alloca [60 x i8], align 1 | 
|  | %tmp1 = getelementptr inbounds [60 x i8]* %tmp0, i64 0, i64 0 | 
|  | br label %bb1 | 
|  |  | 
|  | bb1: | 
|  | ; CHECK: LBB0_1: | 
|  | ; CHECK: movaps %xmm0, (%rsp) | 
|  | %tmp2 = phi i32 [ %tmp3, %bb1 ], [ 0, %entry ] | 
|  | call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp1, i8* getelementptr inbounds ([28 x i8]* @str, i64 0, i64 0), i64 28, i32 1, i1 false) | 
|  | %tmp3 = add i32 %tmp2, 1 | 
|  | %tmp4 = icmp eq i32 %tmp3, %count | 
|  | br i1 %tmp4, label %bb2, label %bb1 | 
|  |  | 
|  | bb2: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind |