[llvm-bugs] [Bug 38734] wrong passing of arguments on arm64 with optimization disabled

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=38734

Shawn Landden <slandden at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
            Summary|wrong passing of arguments  |wrong passing of arguments
                   |on arm64 with -O0           |on arm64 with optimization
                   |                            |disabled
         Resolution|WORKSFORME                  |---

--- Comment #4 from Shawn Landden <slandden at gmail.com> ---
OK, this bug only occurs with -O0.

main:
.Lfunc_begin8:
        .loc    5 6 0
        .cfi_startproc
        sub     sp, sp, #32
        stp     x29, x30, [sp, #16]
        add     x29, sp, #16
        .cfi_def_cfa w29, 16
        .cfi_offset w30, -8
        .cfi_offset w29, -16
        mov     w1, #-1
        sub     x0, x29, #4
.Ltmp41:
        .loc    5 7 16 prologue_end
        bl      function3
.Ltmp42:
        .loc    5 6 20
        ldp     x29, x30, [sp, #16]
        add     sp, sp, #32
        ret
.Ltmp43:
.Lfunc_end8:
        .size   main, .Lfunc_end8-main
        .cfi_endproc

        .p2align        2
        .type   function3, at function
function3:



With optimization enabled

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