1; RUN: opt < %s -instcombine -S | grep "ret i32 10"
2
3@g1 = available_externally constant i32 1
4@g2 = linkonce_odr constant i32 2
5@g3 = weak_odr constant i32 3
6@g4 = internal constant i32 4
7
8define i32 @test() {
9  %A = load i32* @g1
10  %B = load i32* @g2
11  %C = load i32* @g3
12  %D = load i32* @g4
13
14  %a = add i32 %A, %B
15  %b = add i32 %a, %C
16  %c = add i32 %b, %D
17  ret i32 %c
18}
19
20