1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
| # RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %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:
.type foo,@function
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 {{.*}} <bar>
# CHECK-NEXT: 15: callq {{.*}} <bar>
.p2align 4
# CHECK-LABEL: bar:
.type bar,@function
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 {{.*}} <bar>
# CHECK-NEXT: 3b: callq {{.*}} <bar>
# CHECK-LABEL: baz:
.type baz,@function
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 {{.*}} <bar>
# CHECK-NEXT: 5b: callq {{.*}} <bar>
# CHECK-LABEL: quux
.type quux,@function
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 {{.*}} <bar>
# CHECK-NEXT: 75: callq {{.*}} <bar>
|