; RUN: opt < %s -instcombine -S | grep "ret i32 10" @g1 = available_externally constant i32 1 @g2 = linkonce_odr constant i32 2 @g3 = weak_odr constant i32 3 @g4 = internal constant i32 4 define i32 @test() { %A = load i32* @g1 %B = load i32* @g2 %C = load i32* @g3 %D = load i32* @g4 %a = add i32 %A, %B %b = add i32 %a, %C %c = add i32 %b, %D ret i32 %c }