pad-align-to-bundle-end.s revision b11917c1aa7348a67d80149fa9613f09a8d56f14 
1# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
2# RUN:   | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
3
4# Test some variations of padding to the end of a bundle.
5
6  .text
7foo:
8  .bundle_align_mode 4
9
10# Each of these callq instructions is 5 bytes long
11  callq   bar
12  callq   bar
13  .bundle_lock align_to_end
14  callq   bar
15  .bundle_unlock
16# To align this group to a bundle end, we need a 1-byte NOP.
17# CHECK:        a:  nop
18# CHECK-NEXT:   b: callq
19
20  callq   bar
21  callq   bar
22  .bundle_lock align_to_end
23  callq   bar
24  callq   bar
25  .bundle_unlock
26# Here we have to pad until the end of the *next* boundary because
27# otherwise the group crosses a boundary.
28# CHECK:      1a: nop
29# The nop sequence may be implemented as one instruction or many, but if
30# it's one instruction, that instruction cannot itself cross the boundary.
31# CHECK:      20: nop
32# CHECK-NEXT: 26: callq
33# CHECK-NEXT: 2b: callq
34