; RUN: llc < %s -march=x86
; PR1975
@nodes = external global i64 ; <i64*> [#uses=2]
define fastcc i32 @ab(i32 %alpha, i32 %beta) nounwind {
entry:
%tmp1 = load i64* @nodes, align 8 ; <i64> [#uses=1]
%tmp2 = add i64 %tmp1, 1 ; <i64> [#uses=1]
store i64 %tmp2, i64* @nodes, align 8
ret i32 0
}