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
74
75
76
77
78
79
80
81
|
## The file testing Nop insertion with R_LARCH_ALIGN for relaxation.
# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=-relax %s -o %t
# RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=INSTR
# RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=RELOC
# RUN: llvm-mc --filetype=obj --triple=loongarch64 --mattr=+relax %s -o %t.r
# RUN: llvm-objdump -d %t.r | FileCheck %s --check-prefixes=INSTR,RELAX-INSTR
# RUN: llvm-readobj -r %t.r | FileCheck %s --check-prefixes=RELOC,RELAX-RELOC
.text
break 0
# INSTR: break 0
## Not emit R_LARCH_ALIGN if alignment directive is less than or equal to
## minimum code alignment(a.k.a 4).
.p2align 2
.p2align 1
.p2align 0
## Not emit instructions if max emit bytes less than min nop size.
.p2align 4, , 2
## Not emit R_LARCH_ALIGN if alignment directive with specific padding value.
## The behavior is the same as GNU assembler.
break 1
.p2align 4, 1
# INSTR-NEXT: break 1
# INSTR-COUNT-2: 01 01 01 01
break 2
.p2align 4, 1, 12
# INSTR-NEXT: break 2
# INSTR-COUNT-3: 01 01 01 01
break 3
.p2align 4
# INSTR-NEXT: break 3
# INSTR-COUNT-3: nop
break 4
.p2align 5
.p2align 4
# INSTR-NEXT: break 4
# INSTR-COUNT-3: nop
# RELAX-INSTR-COUNT-7: nop
break 5
.p2align 4, , 11
# INSTR-NEXT: break 5
# RELAX-INSTR-COUNT-3: nop
break 6
## Not emit the third parameter.
.p2align 4, , 12
# INSTR-NEXT: break 6
# INSTR-NEXT: nop
# INSTR-NEXT: nop
# RELAX-INSTR-NEXT: nop
ret
# INSNR-NEXT: ret
## Test the symbol index is different from .text.
.section .text2, "ax"
.p2align 4
.p2align 4, , 4
break 7
# RELOC: Relocations [
# RELAX-RELOC-NEXT: Section ({{.*}}) .rela.text {
# RELAX-RELOC-NEXT: 0x24 R_LARCH_ALIGN .text 0x4
# RELAX-RELOC-NEXT: 0x34 R_LARCH_ALIGN .text 0x5
# RELAX-RELOC-NEXT: 0x50 R_LARCH_ALIGN .text 0x4
# RELAX-RELOC-NEXT: 0x60 R_LARCH_ALIGN .text 0xB04
# RELAX-RELOC-NEXT: 0x70 R_LARCH_ALIGN .text 0x4
# RELAX-RELOC-NEXT: }
# RELAX-RELOC-NEXT: Section ({{.*}}) .rela.text2 {
# RELAX-RELOC-NEXT: 0x0 R_LARCH_ALIGN .text2 0x4
# RELAX-RELOC-NEXT: 0xC R_LARCH_ALIGN .text2 0x404
# RELAX-RELOC-NEXT: }
# RELOC-NEXT: ]
|
