; RUN: llc < %s | grep 0x0021 | count 2
; PR4776
target datalayout = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8"
target triple = "msp430-unknown-unknown"
@"\010x0021" = external global i8, align 1 ; <i8*> [#uses=2]
define zeroext i8 @foo(i8 zeroext %x) nounwind {
entry:
%retval = alloca i8 ; <i8*> [#uses=2]
%x.addr = alloca i8 ; <i8*> [#uses=2]
%tmp = alloca i8, align 1 ; <i8*> [#uses=2]
store i8 %x, ptr %x.addr
%tmp1 = load volatile i8, ptr @"\010x0021" ; <i8> [#uses=1]
store i8 %tmp1, ptr %tmp
%tmp2 = load i8, ptr %x.addr ; <i8> [#uses=1]
store volatile i8 %tmp2, ptr @"\010x0021"
%tmp3 = load i8, ptr %tmp ; <i8> [#uses=1]
store i8 %tmp3, ptr %retval
%0 = load i8, ptr %retval ; <i8> [#uses=1]
ret i8 %0
}