int x = 1;

int main (void)
{
	int t = 1/x;

	if (t == 1) ;
	else __builtin_abort();

  return 0;
}
/*
+------------------------------------------------------------+--------------------------------------------------------+
|                 gcc.s (gcc A.c -O3 -S)                     |              clang.s (clang A.c -O3 -S)                |
+------------------------------------------------------------+--------------------------------------------------------+
|main:                                                       |                                                        *
|.LFB11:                                                     |main:                                   # @main         *
|        .cfi_startproc                                      |        .cfi_startproc                                  |
|        movl  $1, %eax                                      |# BB#0:                                 # %entry        *
|        cltd                                                |                                                        |
|        idivl   x1638(%rip)                                 |                                                        |
|        cmpl    $1, %eax                                    |                                                        |
|        jne     .L5                                         |                                                        |
|        xorl    %eax, %eax                                  |                                                        |
|        ret                                                 |                                                        |
|.L5:                                                        |                                                        |
|        pushq   %rax                                        |        pushq   %rax                                    |
|                                                            |.Ltmp0:                                                 *
|        .cfi_def_cfa_offset 16                              |        .cfi_def_cfa_offset 16                          |
|        call    abort                                       |        movl    x1638(%rip), %eax                       *
|                                                            |        cmpl    $1, %eax                                *
|                                                            |        jne     .LBB0_3                                 *
|                                                            |# BB#1:                                 # %entry        *
|                                                            |        incl    %eax                    # <--HERE       *
|                                                            |        cmpl    $3, %eax                # <--HERE       *
|                                                            |        jae     .LBB0_3                 # <--HERE       *
|                                                            |# BB#2:                                 # %if.end       *
|                                                            |        xorl    %eax, %eax                              *
|                                                            |        popq    %rdx                                    *
|                                                            |        retq                                            *
|                                                            |.LBB0_3:                                # %if.else      *
|                                                            |        callq   abort                                   *
|                                                            |.Ltmp1:                                                 *
|                                                            |        .size   main, .Ltmp1-main                       *
|        .cfi_endproc                                        |        .cfi_endproc                                    |
|.LFE11:                                                     |                                                        *
|        .size   main, .-main                                |        .type   x1638,@object           # @x1638        *
|        .section        .text.unlikely                      |                                                        |
|.LCOLDE0:                                                   |                                                        |
|        .section        .text.startup                       |                                                        |
|.LHOTE0:                                                    |                                                        |
|        .globl  x1638                                       |                                                        |
|        .data                                               |        .data                                           |
|        .align 4                                            |        .globl  x1638                                   *
|        .type   x1638, @object                              |        .align  4                                       *
|        .size   x1638, 4                                    |                                                        |
|x1638:                                                      |x1638:                                                  |
|        .long   1                                           |        .long   1                       # 0x1           *
|                                                            |        .size   x1638, 4                                *
|                                                            |                                                        *
+------------------------------------------------------------+--------------------------------------------------------+

	
clang version 3.7.0 (trunk 237801)
Target: x86_64-unknown-linux-gnu
Thread model: posix

gcc (GCC) 6.0.0 20150416 (experimental)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

bug番号 : 23672
報告日 : 2015/05/27
/*