bolt/test/X86/shrinkwrapping-critedge.s

   1 # This reproduces a bug with shrink wrapping when trying to split critical
   2 # edges originating at the same basic block.
   3
   4 # REQUIRES: system-linux
   5
   6 # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
   7 # RUN:   %s -o %t.o
   8 # RUN: link_fdata %s %t.o %t.fdata
   9 # RUN: llvm-strip --strip-unneeded %t.o
  10 # RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q -nostdlib
  11 # RUN: llvm-bolt %t.exe --relocs -o %t.out --data %t.fdata \
  12 # RUN:     --frame-opt=all --simplify-conditional-tail-calls=false \
  13 # RUN:     --eliminate-unreachable=false
  14
  15   .globl _start
  16 _start:
  17 # FDATA: 0 [unknown] 0 1 _start 0 0 1
  18     push  %rbx
  19     je  b
  20 c:
  21     pop %rbx
  22     ret
  23 b:
  24     je  f
  25     jmp *JT(,%rbx,8)
  26 d:
  27     jmp d
  28     mov %r14, %rdi
  29 f:
  30     ret
  31   .data
  32 JT:
  33   .quad c
  34   .quad d
  35   .quad f