diff options
Diffstat (limited to 'test/MC/X86/AlignedBundling/nesting.s')
| -rw-r--r-- | test/MC/X86/AlignedBundling/nesting.s | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/MC/X86/AlignedBundling/nesting.s b/test/MC/X86/AlignedBundling/nesting.s new file mode 100644 index 0000000..8996170 --- /dev/null +++ b/test/MC/X86/AlignedBundling/nesting.s @@ -0,0 +1,67 @@ +# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \ +# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s + +# Will be bundle-aligning to 16 byte boundaries + .bundle_align_mode 4 + .text +# CHECK-LABEL: foo +foo: +# Test that bundle alignment mode can be set more than once. + .bundle_align_mode 4 +# Each of these callq instructions is 5 bytes long + callq bar + callq bar + .bundle_lock + .bundle_lock + callq bar + callq bar + .bundle_unlock + .bundle_unlock +# CHECK: 10: callq +# CHECK-NEXT: 15: callq + + .p2align 4 +# CHECK-LABEL: bar +bar: + callq foo + callq foo +# Check that the callqs get bundled together, and that the whole group is +# align_to_end + .bundle_lock + callq bar + .bundle_lock align_to_end + callq bar + .bundle_unlock + .bundle_unlock +# CHECK: 36: callq +# CHECK-NEXT: 3b: callq + +# CHECK-LABEL: baz +baz: + callq foo + callq foo +# Check that the callqs get bundled together, and that the whole group is +# align_to_end (with the outer directive marked align_to_end) + .bundle_lock align_to_end + callq bar + .bundle_lock + callq bar + .bundle_unlock + .bundle_unlock +# CHECK: 56: callq +# CHECK-NEXT: 5b: callq + +# CHECK-LABEL: quux +quux: + callq bar + callq bar + .bundle_lock + .bundle_lock + callq bar + .bundle_unlock + callq bar + .bundle_unlock +# Check that the calls are bundled together when the second one is after the +# inner nest is closed. +# CHECK: 70: callq +# CHECK-NEXT: 75: callq |