2 ; NetBSD: noatime mounts currently inhibit 'touch' from updating atime
3 ; UNSUPPORTED: system-netbsd
5 ; RUN: rm -rf %t && mkdir %t && cd %t
6 ; RUN: opt -module-hash -module-summary %s -o a.bc
7 ; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o b.bc
10 ; Create two files that would be removed by cache pruning due to age.
11 ; We should only remove files matching the pattern "llvmcache-*".
12 ; RUN: touch -t 197001011200 cache/llvmcache-foo cache/foo
13 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=1h:prune_interval=0s -o out b.bc a.bc
15 ; Two cached objects, plus a timestamp file and "foo", minus the file we removed.
16 ; RUN: ls cache | count 4
18 ; Create a file of size 64KB.
19 ; RUN: %python -c "print(' ' * 65536)" > cache/llvmcache-foo
21 ; This should leave the file in place.
22 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=128k:prune_interval=0s -o out b.bc a.bc
23 ; RUN: ls cache | count 5
25 ; Increase the age of llvmcache-foo, which will give it the oldest time stamp
26 ; so that it is processed and removed first.
27 ; RUN: %python -c 'import os,sys,time; t=time.time()-120; os.utime(sys.argv[1],(t,t))' cache/llvmcache-foo
29 ; This should remove it.
30 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=32k:prune_interval=0s -o out b.bc a.bc
31 ; RUN: ls cache | count 4
33 ; Setting max number of files to 0 should disable the limit, not delete everything.
34 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=0:prune_interval=0s -o out b.bc a.bc
35 ; RUN: ls cache | count 4
37 ; Delete everything except for the timestamp, "foo" and one cache file.
38 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=1:prune_interval=0s -o out b.bc a.bc
39 ; RUN: ls cache | count 3
41 ; Check that we remove the least recently used file first.
42 ; RUN: rm -fr cache && mkdir cache
43 ; RUN: echo xyz > cache/llvmcache-old
44 ; RUN: touch -t 198002011200 cache/llvmcache-old
45 ; RUN: echo xyz > cache/llvmcache-newer
46 ; RUN: touch -t 198002021200 cache/llvmcache-newer
47 ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=3:prune_interval=0s -o out b.bc a.bc
48 ; RUN: ls cache | FileCheck %s
50 ; CHECK-NOT: llvmcache-old
51 ; CHECK: llvmcache-newer
52 ; CHECK-NOT: llvmcache-old
54 ; RUN: rm -fr cache && mkdir cache
55 ; RUN: ld.lld --thinlto-cache-dir=cache --save-temps -o out b.bc a.bc -M | FileCheck %s --check-prefix=MAP
56 ; RUN: ls out.lto.a.o a.bc.0.preopt.bc b.bc.0.preopt.bc
58 ; MAP: out.lto.b.o:(.text)
59 ; MAP: out.lto.a.o:(.text)
61 ;; Check that mllvm options participate in the cache key
62 ; RUN: rm -rf cache && mkdir cache
63 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc
64 ; RUN: ls cache | count 3
65 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default
66 ; RUN: ls cache | count 5
68 ;; Adding another option resuls in 2 more cache entries
69 ; RUN: rm -rf cache && mkdir cache
70 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc
71 ; RUN: ls cache | count 3
72 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default
73 ; RUN: ls cache | count 5
74 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1
75 ; RUN: ls cache | count 7
77 ;; Changing order may matter - e.g. if overriding -mllvm options - so we get 2 more entries
78 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -max-devirt-iterations=1 -mllvm -enable-ml-inliner=default
79 ; RUN: ls cache | count 9
81 ;; Going back to a pre-cached order doesn't create more entries.
82 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1
83 ; RUN: ls cache | count 9
85 ;; Different flag values matter
86 ; RUN: rm -rf cache && mkdir cache
87 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=2
88 ; RUN: ls cache | count 3
89 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1
90 ; RUN: ls cache | count 5
92 ;; Same flag value passed to different flags matters, and switching the order
93 ;; of the two flags matters.
94 ; RUN: rm -rf cache && mkdir cache
95 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default
96 ; RUN: ls cache | count 3
97 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default
98 ; RUN: ls cache | count 5
99 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default
100 ; RUN: ls cache | count 5
101 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -emit-dwarf-unwind=default
102 ; RUN: ls cache | count 7
103 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default -mllvm -enable-ml-inliner=default
104 ; RUN: ls cache | count 9
106 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
107 target triple = "x86_64-unknown-linux-gnu"
109 define void @globalfunc() #0 {