[Issue 1149] Optimizer: obsolete array length loads, common subexpr. elimin. not working

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1149



--- Comment #8 from bearophile_hugs at eml.cc 2012-02-23 04:31:27 PST ---
Better:

__Dmain comdat
L0:     sub ESP,0Ch
        mov ECX,offset FLAT:_D11TypeInfo_Ak6__initZ
        push    EBX
        push    ESI
        lea EAX,8[ESP]
        mov dword ptr 8[ESP],0
        mov dword ptr 0Ch[ESP],0
        push    EAX
        push    4
        push    ECX
        call    near ptr __d_arraysetlengthT
        mov EBX,018h[ESP]
        mov EDX,1
        mov [EBX],EDX
        mov ESI,018h[ESP]
        mov 4[ESI],EDX
        mov EAX,018h[ESP]
        mov 8[EAX],EDX
        mov ECX,018h[ESP]
        xor EAX,EAX
        mov 0Ch[ECX],EDX
        add ESP,0Ch
        pop ESI
        pop EBX
        add ESP,0Ch
        ret

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