test regalloc
isa intel haswell

function %pr165() native {
ebb0:
    v0 = iconst.i32 0x0102_0304
    v1 = iconst.i32 0x1102_0304
    v2 = iconst.i32 0x2102_0304
    v20 = ishl v1, v0
    v21 = ishl v2, v0
    v22 = sshr v1, v0
    v23 = sshr v2, v0
    v24 = ushr v1, v0
    v25 = ushr v2, v0
    istore8 v0, v1+0x2710
    istore8 v1, v0+0x2710
    return
}

; Same as above, but use so many registers that spilling is required.
; Note: This is also a candidate for using xchg instructions.
function %emergency_spill() native {
ebb0:
    v0 = iconst.i32 0x0102_0304
    v1 = iconst.i32 0x1102_0304
    v2 = iconst.i32 0x2102_0304
    v3 = iconst.i32 0x3102_0304
    v4 = iconst.i32 0x4102_0304
    v20 = ishl v1, v0
    v21 = ishl v2, v3
    v22 = sshr v1, v0
    v23 = sshr v2, v0
    v24 = ushr v1, v0
    v25 = ushr v2, v0
    istore8 v0, v1+0x2710
    istore8 v1, v0+0x2710
    istore8 v3, v4+0x2710
    return
}