target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@g1 = common global i32 0, align 4
@g2 = global i32 42, align 4
@g3 = available_externally global i32 42, align 4
define i32 @foo() {
%v1 = load i32, ptr @g1
%v2 = load i32, ptr @g2
%v3 = load i32, ptr @g3
%s1 = add i32 %v1, %v2
%s2 = add i32 %s1, %v3
ret i32 %s2
}