[llvm-bugs] [Bug 13633] powerpc64 extra stores into parameter save area for register-passed struct

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=13633

Hal Finkel <hfinkel at anl.gov> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |hfinkel at anl.gov
         Resolution|---                         |FIXED

--- Comment #1 from Hal Finkel <hfinkel at anl.gov> ---
This seems to be fixed now. For the test case provided, we now generate:

    mflr 0
    std 31, -8(1)
    std 0, 16(1)
    stdu 1, -160(1)
    lis 3, 16404
    mr 31, 1
    addis 5, 2, .LCPI0_0 at toc@ha
    addis 6, 2, .LCPI0_1 at toc@ha
    addis 7, 2, .LCPI0_2 at toc@ha
    li 4, 3
    li 9, 4097
    ori 3, 3, 52428
    lfd 2, 144(31)
    lfd 1, .LCPI0_0 at toc@l(5)
    lfd 4, .LCPI0_1 at toc@l(6)
    sldi 3, 3, 32
    lfd 5, .LCPI0_2 at toc@l(7)
    li 8, 127
    sldi 4, 4, 32
    oris 3, 3, 52428
    std 8, 128(1)
    sldi 9, 9, 50
    std 4, 112(1)
    ori 3, 3, 52429
    li 5, 99
    fmr 3, 2
    li 8, 0
    std 3, 120(1)
    li 3, 23
    bl func
    nop
    addi 1, 1, 160
    ld 0, 16(1)
    ld 31, -8(1)
    mtlr 0
    blr

There are no stores to r1+96 or r1+98.

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