bolt/test/AArch64/jmp-after-ret.s

   1 ## This test checks that the unreachable unconditional branch is removed
   2 ## if it is located after return instruction.
   3
   4 # REQUIRES: system-linux
   5
   6 # RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown \
   7 # RUN:   %s -o %t.o
   8 # RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
   9 # RUN: llvm-bolt %t.exe -o %t.bolt | FileCheck %s
  10
  11 # CHECK: UCE removed 1 blocks
  12
  13   .text
  14   .align 4
  15   .global main
  16   .type main, %function
  17 main:
  18   b.eq 1f
  19   ret
  20   b main
  21 1:
  22   mov x1, #1
  23   ret
  24   .size main, .-main