llvm/test/Regression/Transforms/Mem2Reg/2003-06-26-IterativePromote.ll


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; Promoting some values allows promotion of other values.
; RUN: if as < %s | opt -mem2reg | dis | grep alloca
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

int %test2() {
        %result = alloca int             ; ty=int*
        %a = alloca int          ; ty=int*
        %p = alloca int*                 ; ty=int**
        store int 0, int* %a
        store int* %a, int** %p
        %tmp.0 = load int** %p           ; ty=int*
        %tmp.1 = load int* %tmp.0                ; ty=int
        store int %tmp.1, int* %result
        %tmp.2 = load int* %result               ; ty=int
        ret int %tmp.2
}