Optimized code

    .section    __TEXT,__text,regular,pure_instructions
    .macosx_version_min 10, 12
    .globl  _spice_alignment_warning
    .p2align    4, 0x90
_spice_alignment_warning:               ## @spice_alignment_warning
    .cfi_startproc
## BB#0:
    pushq   %rbp
Ltmp0:
    .cfi_def_cfa_offset 16
Ltmp1:
    .cfi_offset %rbp, -16
    movq    %rsp, %rbp
Ltmp2:
    .cfi_def_cfa_register %rbp
    leaq    L_str(%rip), %rdi
    popq    %rbp
    jmp _puts                   ## TAILCALL
    .cfi_endproc

    .globl  _spice_alignment_debug
    .p2align    4, 0x90
_spice_alignment_debug:                 ## @spice_alignment_debug
    .cfi_startproc
## BB#0:
    pushq   %rbp
Ltmp3:
    .cfi_def_cfa_offset 16
Ltmp4:
    .cfi_offset %rbp, -16
    movq    %rsp, %rbp
Ltmp5:
    .cfi_def_cfa_register %rbp
    leaq    L_str.4(%rip), %rdi
    popq    %rbp
    jmp _puts                   ## TAILCALL
    .cfi_endproc

    .globl  _main
    .p2align    4, 0x90
_main:                                  ## @main
    .cfi_startproc
## BB#0:
    pushq   %rbp
Ltmp6:
    .cfi_def_cfa_offset 16
Ltmp7:
    .cfi_offset %rbp, -16
    movq    %rsp, %rbp
Ltmp8:
    .cfi_def_cfa_register %rbp
    movl    $27, %edi
    callq   _malloc

## A single instruction to test
    testb   $7, %al

## Fall through jump not taken, cost presumably 0 cycles
    jne LBB2_1
LBB2_2:
    xorl    %eax, %eax
    popq    %rbp
    retq
LBB2_1:
    leaq    L_str(%rip), %rdi
    callq   _puts
    jmp LBB2_2
    .cfi_endproc

    .section    __TEXT,__cstring,cstring_literals
L_str:                                  ## @str
    .asciz  "warning"

L_str.4:                                ## @str.4
    .asciz  "debug"


.subsections_via_symbols