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