1; RUN: llc < %s | grep 0x0021 | count 2
2; PR4776
3target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
4target triple = "msp430-unknown-unknown"
5
6@"\010x0021" = external global i8, align 1        ; <i8*> [#uses=2]
7
8define zeroext i8 @foo(i8 zeroext %x) nounwind {
9entry:
10  %retval = alloca i8                             ; <i8*> [#uses=2]
11  %x.addr = alloca i8                             ; <i8*> [#uses=2]
12  %tmp = alloca i8, align 1                       ; <i8*> [#uses=2]
13  store i8 %x, i8* %x.addr
14  %tmp1 = load volatile i8, i8* @"\010x0021"          ; <i8> [#uses=1]
15  store i8 %tmp1, i8* %tmp
16  %tmp2 = load i8, i8* %x.addr                        ; <i8> [#uses=1]
17  store volatile i8 %tmp2, i8* @"\010x0021"
18  %tmp3 = load i8, i8* %tmp                           ; <i8> [#uses=1]
19  store i8 %tmp3, i8* %retval
20  %0 = load i8, i8* %retval                           ; <i8> [#uses=1]
21  ret i8 %0
22}
23