1; Verify that enabling caching is ignoring module when we emit them without hash.
2; RUN: opt -module-summary %s -o %t.o
3; RUN: opt -module-summary %p/Inputs/cache.ll -o %t2.o
4
5; RUN: rm -Rf %t.cache
6; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
7; RUN:     --plugin-opt=thinlto \
8; RUN:     --plugin-opt=cache-dir=%t.cache \
9; RUN:     -o %t3.o %t2.o %t.o
10
11; We should just get the timestamp file
12; RUN: ls %t.cache | count 1
13
14
15; Verify that enabling caching is working with module with hash.
16
17; RUN: opt -module-hash -module-summary %s -o %t.o
18; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o %t2.o
19
20; RUN: rm -Rf %t.cache
21; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
22; RUN:     --plugin-opt=thinlto \
23; RUN:     --plugin-opt=cache-dir=%t.cache \
24; RUN:     -o %t3.o %t2.o %t.o
25
26; Two cached objects, plus a timestamp file
27; RUN: ls %t.cache | count 3
28
29
30; Create two files that would be removed by cache pruning due to age.
31; We should only remove files matching the pattern "llvmcache-*".
32
33; RUN: touch -t 197001011200 %t.cache/llvmcache-foo %t.cache/foo
34; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
35; RUN:     --plugin-opt=thinlto \
36; RUN:     --plugin-opt=cache-dir=%t.cache \
37; RUN:     --plugin-opt=cache-policy=prune_after=1h:prune_interval=0s \
38; RUN:     -o %t3.o %t2.o %t.o
39
40; Two cached objects, plus a timestamp file and "foo", minus the file we removed.
41; RUN: ls %t.cache | count 4
42
43
44; Create a file of size 64KB.
45; RUN: %python -c "print(' ' * 65536)" > %t.cache/llvmcache-foo
46
47; This should leave the file in place.
48; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
49; RUN:     --plugin-opt=thinlto \
50; RUN:     --plugin-opt=cache-dir=%t.cache \
51; RUN:     --plugin-opt=cache-policy=cache_size_bytes=128k:prune_interval=0s \
52; RUN:     -o %t3.o %t2.o %t.o
53; RUN: ls %t.cache | count 5
54
55
56; Increase the age of llvmcache-foo
57; RUN: touch -r %t.cache/llvmcache-foo -d '-2 minutes' %t.cache/llvmcache-foo
58
59; This should remove it.
60; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
61; RUN:     --plugin-opt=thinlto \
62; RUN:     --plugin-opt=save-temps \
63; RUN:     --plugin-opt=cache-dir=%t.cache \
64; RUN:     --plugin-opt=cache-policy=cache_size_bytes=32k:prune_interval=0s \
65; RUN:     -o %t4.o %t2.o %t.o
66; RUN: ls %t.cache | count 4
67; With save-temps we can confirm that the cached files were copied into temp
68; files to avoid a race condition with the cached files being pruned, since the
69; gold plugin-api only accepts native objects passed back as files.
70; RUN: ls %t4.o.lto.o1 %t4.o.lto.o2
71
72
73target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
74target triple = "x86_64-unknown-linux-gnu"
75
76define void @globalfunc() #0 {
77entry:
78  ret void
79}
80