cgprofile-icf.s
1.27 KB
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
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: echo "A B 100" > %t.call_graph
# RUN: echo "A C 40" >> %t.call_graph
# RUN: echo "C D 61" >> %t.call_graph
# RUN: ld.lld -e A %t --call-graph-ordering-file %t.call_graph -o %t.out -icf=all
# RUN: llvm-readobj --symbols %t.out | FileCheck %s
# RUN: ld.lld -e A %t --call-graph-ordering-file %t.call_graph -o %t2.out
# RUN: llvm-readobj --symbols %t2.out | FileCheck %s --check-prefix=NOICF
.section .text.D,"ax",@progbits
.globl D
D:
mov $60, %rax
retq
.section .text.C,"ax",@progbits
.globl C
C:
mov $60, %rax
retq
.section .text.B,"ax",@progbits
.globl B
B:
mov $2, %rax
retq
.section .text.A,"ax",@progbits
.globl A
A:
mov $42, %rax
retq
# CHECK: Name: A
# CHECK-NEXT: Value: 0x201120
# CHECK: Name: B
# CHECK-NEXT: Value: 0x201130
# CHECK: Name: C
# CHECK-NEXT: Value: 0x201128
# CHECK: Name: D
# CHECK-NEXT: Value: 0x201128
# NOICF: Name: A
# NOICF-NEXT: Value: 0x201120
# NOICF: Name: B
# NOICF-NEXT: Value: 0x201128
# NOICF: Name: C
# NOICF-NEXT: Value: 0x201130
# NOICF: Name: D
# NOICF-NEXT: Value: 0x201138