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
|
// REQUIRES: ppc
// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-func.s -o %t3.o
// RUN: ld.lld -shared -soname=t2.so %t2.o -o %t2.so
// RUN: ld.lld %t.o %t2.so %t3.o -o %t
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
// RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-func.s -o %t3.o
// RUN: ld.lld -shared -soname=t2.so %t2.o -o %t2.so
// RUN: ld.lld %t.o %t2.so %t3.o -o %t
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
.text
.abiversion 2
.global bar_local
bar_local:
li 3, 2
blr
# Calling external function foo in a shared object needs a nop.
# Calling local function bar_local doe not need a nop.
.global _start
_start:
bl foo
nop
bl bar_local
// CHECK-LABEL: <_start>:
// CHECK-NEXT: 100102c8: bl 0x10010310
// CHECK-NEXT: 100102cc: ld 2, 24(1)
// CHECK-NEXT: 100102d0: bl 0x100102c0
// CHECK-EMPTY:
# Calling a function in another object file which will have same
# TOC base does not need a nop. If nop present, do not rewrite to
# a toc restore
.global diff_object
_diff_object:
bl foo_not_shared
bl foo_not_shared
nop
// CHECK-LABEL: <_diff_object>:
// CHECK-NEXT: 100102d4: bl 0x100102f0
// CHECK-NEXT: 100102d8: bl 0x100102f0
// CHECK-NEXT: 100102dc: nop
# Branching to a local function does not need a nop
.global noretbranch
noretbranch:
b bar_local
// CHECK-LABEL: <noretbranch>:
// CHECK-NEXT: 100102e0: b 0x100102c0
// CHECK-EMPTY:
// This should come last to check the end-of-buffer condition.
.global last
last:
bl foo
nop
// CHECK-LABEL: <last>:
// CHECK-NEXT: 100102e4: bl 0x10010310
// CHECK-NEXT: 100102e8: ld 2, 24(1)
|
