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comparison llvm/test/ThinLTO/X86/cache.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children 2e18cbf3894f
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equal deleted inserted replaced
147:c2174574ed3a 150:1d019706d866
1 ; NetBSD: noatime mounts currently inhibit 'touch -a' updates
2 ; UNSUPPORTED: system-netbsd
3
4 ; Verify first that *without* hash, we don't use the cache.
5 ; RUN: opt -module-summary %s -o %t.bc
6 ; RUN: opt -module-summary %p/Inputs/cache.ll -o %t2.bc
7
8 ; Verify that enabling caching is ignoring module without hash
9 ; RUN: rm -Rf %t.cache && mkdir %t.cache
10 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
11 ; RUN: ls %t.cache/llvmcache.timestamp
12 ; RUN: ls %t.cache | count 1
13
14 ; Verify that enabling caching is ignoring module without hash with llvm-lto2
15 ; RUN: rm -Rf %t.cache
16 ; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
17 ; RUN: -r=%t2.bc,_main,plx \
18 ; RUN: -r=%t2.bc,_globalfunc,lx \
19 ; RUN: -r=%t.bc,_globalfunc,plx
20 ; RUN: ls %t.cache | count 0
21
22
23 ; Repeat again, *with* hash this time.
24
25 ; RUN: opt -module-hash -module-summary %s -o %t.bc
26 ; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o %t2.bc
27
28 ; Verify that enabling caching is working, and that the pruner only removes
29 ; files matching the pattern "llvmcache-*".
30 ; RUN: rm -Rf %t.cache && mkdir %t.cache
31 ; RUN: touch -t 197001011200 %t.cache/llvmcache-foo %t.cache/foo
32 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
33 ; RUN: ls %t.cache | count 4
34 ; RUN: ls %t.cache/llvmcache.timestamp
35 ; RUN: ls %t.cache/foo
36 ; RUN: not ls %t.cache/llvmcache-foo
37 ; RUN: ls %t.cache/llvmcache-* | count 2
38
39 ; Verify that enabling caching is working with llvm-lto2
40 ; RUN: rm -Rf %t.cache
41 ; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
42 ; RUN: -r=%t2.bc,_main,plx \
43 ; RUN: -r=%t2.bc,_globalfunc,lx \
44 ; RUN: -r=%t.bc,_globalfunc,plx
45 ; RUN: ls %t.cache | count 2
46 ; RUN: ls %t.cache/llvmcache-* | count 2
47
48 ; Verify that caches with a timestamp older than the pruning interval
49 ; will be pruned
50 ; RUN: rm -Rf %t.cache && mkdir %t.cache
51 ; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
52 ; RUN: touch -t 197001011200 %t.cache/llvmcache.timestamp
53 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
54 ; RUN: not ls %t.cache/llvmcache-foo
55
56 ; Verify that specifying a negative number for the pruning interval
57 ; effectively disables the pruning
58 ; RUN: rm -Rf %t.cache && mkdir %t.cache
59 ; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
60 ; RUN: touch -t 197001011200 %t.cache/llvmcache.timestamp
61 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval -1
62 ; RUN: ls %t.cache/llvmcache-foo
63
64 ; Verify that the pruner doesn't run and a cache file is not deleted when:
65 ; default values for pruning interval and cache expiration are used,
66 ; llvmcache.timestamp is current,
67 ; cache file is older than default cache expiration value.
68 ; RUN: rm -Rf %t.cache && mkdir %t.cache
69 ; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
70 ; RUN: touch %t.cache/llvmcache.timestamp
71 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
72 ; RUN: ls %t.cache/llvmcache-foo
73
74 ; Verify that the pruner runs and a cache file is deleted when:
75 ; pruning interval has value 0 (i.e. run garbage collector now)
76 ; default value for cache expiration is used,
77 ; llvmcache.timestamp is current,
78 ; cache file is older than default cache expiration value.
79 ; RUN: rm -Rf %t.cache && mkdir %t.cache
80 ; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
81 ; RUN: touch %t.cache/llvmcache.timestamp
82 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval 0
83 ; RUN: not ls %t.cache/llvmcache-foo
84
85 ; Populate the cache with files with "old" access times, then check llvm-lto updates these file times
86 ; A negative pruning interval is used to avoid removing cache entries
87 ; RUN: rm -Rf %t.cache && mkdir %t.cache
88 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
89 ; RUN: touch -a -t 197001011200 %t.cache/llvmcache-*
90 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval -1
91 ; RUN: ls -ltu %t.cache/* | not grep 1970-01-01
92
93 ; Populate the cache with files with "old" access times, then check llvm-lto2 updates these file times
94 ; RUN: rm -Rf %t.cache
95 ; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
96 ; RUN: -r=%t2.bc,_main,plx \
97 ; RUN: -r=%t2.bc,_globalfunc,lx \
98 ; RUN: -r=%t.bc,_globalfunc,plx
99 ; RUN: touch -a -t 197001011200 %t.cache/llvmcache-*
100 ; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
101 ; RUN: -r=%t2.bc,_main,plx \
102 ; RUN: -r=%t2.bc,_globalfunc,lx \
103 ; RUN: -r=%t.bc,_globalfunc,plx
104 ; RUN: ls -ltu %t.cache/* | not grep 1970-01-01
105
106 ; Verify that specifying max size for the cache directory prunes it to this
107 ; size, removing the oldest files first.
108 ; RUN: rm -Rf %t.cache && mkdir %t.cache
109 ; Create cache files with different sizes.
110 ; Only 8B and 76B files should stay after pruning.
111 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-100k', 'w') as file: file.truncate(102400)"
112 ; RUN: touch -t 198002011200 %t.cache/llvmcache-foo-100k
113 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-16', 'w') as file: file.truncate(16)"
114 ; RUN: touch -t 198002021200 %t.cache/llvmcache-foo-16
115 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-77k', 'w') as file: file.truncate(78848)"
116 ; RUN: touch -t 198002031200 %t.cache/llvmcache-foo-77k
117 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-8', 'w') as file: file.truncate(8)"
118 ; RUN: touch -t 198002041200 %t.cache/llvmcache-foo-8
119 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-76', 'w') as file: file.truncate(76)"
120 ; RUN: touch -t 198002051200 %t.cache/llvmcache-foo-76
121 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-max-size-bytes 78847 --thinlto-cache-entry-expiration 4294967295
122 ; RUN: ls %t.cache/llvmcache-foo-8
123 ; RUN: ls %t.cache/llvmcache-foo-76
124 ; RUN: not ls %t.cache/llvmcache-foo-16
125 ; RUN: not ls %t.cache/llvmcache-foo-100k
126 ; RUN: not ls %t.cache/llvmcache-foo-77k
127
128 ; Verify that specifying a max size > 4GB for the cache directory does not
129 ; prematurely prune, due to an integer overflow.
130 ; RUN: rm -Rf %t.cache && mkdir %t.cache
131 ; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-10', 'w') as file: file.truncate(10)"
132 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-max-size-bytes 4294967297
133 ; RUN: ls %t.cache/llvmcache-foo-10
134
135 ; Verify that negative numbers aren't accepted for the
136 ; --thinlto-cache-max-size-bytes switch
137 ; RUN: rm -Rf %t.cache && mkdir %t.cache
138 ; RUN: not llvm-lto %t.bc --thinlto-cache-max-size-bytes -1 2>&1 | FileCheck %s
139 ; CHECK: -thinlto-cache-max-size-bytes option: '-1' value invalid
140
141 ; Verify that specifying max number of files in the cache directory prunes
142 ; it to this amount, removing the oldest files first.
143 ; RUN: rm -Rf %t.cache && mkdir %t.cache
144 ; Create cache files with different sizes.
145 ; Only 75B and 76B files should stay after pruning.
146 ; RUN: %python -c "print(' ' * 1023)" > %t.cache/llvmcache-foo-1023
147 ; RUN: touch -t 198002011200 %t.cache/llvmcache-foo-1023
148 ; RUN: %python -c "print(' ' * 15)" > %t.cache/llvmcache-foo-15
149 ; RUN: touch -t 198002021200 %t.cache/llvmcache-foo-15
150 ; RUN: %python -c "print(' ' * 7)" > %t.cache/llvmcache-foo-7
151 ; RUN: touch -t 198002031200 %t.cache/llvmcache-foo-7
152 ; RUN: %python -c "print(' ' * 75)" > %t.cache/llvmcache-foo-75
153 ; RUN: touch -t 198002041200 %t.cache/llvmcache-foo-75
154 ; RUN: %python -c "print(' ' * 76)" > %t.cache/llvmcache-foo-76
155 ; RUN: touch -t 198002051200 %t.cache/llvmcache-foo-76
156 ; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-max-size-files 4 --thinlto-cache-entry-expiration 4294967295
157 ; RUN: ls %t.cache/llvmcache-foo-75
158 ; RUN: ls %t.cache/llvmcache-foo-76
159 ; RUN: not ls %t.cache/llvmcache-foo-15
160 ; RUN: not ls %t.cache/llvmcache-foo-1024
161 ; RUN: not ls %t.cache/llvmcache-foo-7
162
163 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
164 target triple = "x86_64-apple-macosx10.11.0"
165
166 define void @globalfunc() #0 {
167 entry:
168 ret void
169 }