1 ; Promoting some values allows promotion of other values. 2 ; RUN: opt < %s -mem2reg -S | not grep alloca 3 4 define i32 @test2() { 5 %result = alloca i32 ; <i32*> [#uses=2] 6 %a = alloca i32 ; <i32*> [#uses=2] 7 %p = alloca i32* ; <i32**> [#uses=2] 8 store i32 0, i32* %a 9 store i32* %a, i32** %p 10 %tmp.0 = load i32** %p ; <i32*> [#uses=1] 11 %tmp.1 = load i32* %tmp.0 ; <i32> [#uses=1] 12 store i32 %tmp.1, i32* %result 13 %tmp.2 = load i32* %result ; <i32> [#uses=1] 14 ret i32 %tmp.2 15 } 16 17
