relax-in-bundle-group.s revision 16996c4940ad4248dc2a874d060b30e94e55b672 
1# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
2# RUN:   | llvm-objdump -disassemble - | FileCheck %s
3
4# Test that instructions inside bundle-locked groups are relaxed even if their
5# fixup is short enough not to warrant relaxation on its own.
6
7  .text
8foo:
9  .bundle_align_mode 4
10  pushq   %rbp
11
12  movl    %edi, %ebx
13  callq   bar
14  movl    %eax, %r14d
15  imull   $17, %ebx, %ebp
16  movl    %ebx, %edi
17  callq   bar
18  cmpl    %r14d, %ebp
19  .bundle_lock
20
21  jle     .L_ELSE
22# This group would've started at 0x18 and is too long, so a chunky NOP padding
23# is inserted to push it to 0x20.
24# CHECK: 18: {{[a-f0-9 ]+}} nopl
25
26# The long encoding for JLE should be used here even though its target is close
27# CHECK-NEXT: 20: 0f 8e
28
29  addl    %ebp, %eax
30
31  jmp     .L_RET
32# Same for the JMP
33# CHECK: 28: e9
34
35  .bundle_unlock
36
37.L_ELSE:
38  imull   %ebx, %eax
39.L_RET:
40
41  popq    %rbx
42
43