| # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \ |
| # RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s |
| |
| # Test some variations of padding to the end of a bundle. |
| |
| .text |
| foo: |
| .bundle_align_mode 4 |
| |
| # Each of these callq instructions is 5 bytes long |
| callq bar |
| callq bar |
| .bundle_lock align_to_end |
| callq bar |
| .bundle_unlock |
| # To align this group to a bundle end, we need a 1-byte NOP. |
| # CHECK: a: nop |
| # CHECK-NEXT: b: callq |
| |
| callq bar |
| callq bar |
| .bundle_lock align_to_end |
| callq bar |
| callq bar |
| .bundle_unlock |
| # Here we have to pad until the end of the *next* boundary because |
| # otherwise the group crosses a boundary. |
| # CHECK: 1a: nop |
| # The nop sequence may be implemented as one instruction or many, but if |
| # it's one instruction, that instruction cannot itself cross the boundary. |
| # CHECK: 20: nop |
| # CHECK-NEXT: 26: callq |
| # CHECK-NEXT: 2b: callq |
