reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    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
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
; NetBSD: noatime mounts currently inhibit 'touch -a' updates
; UNSUPPORTED: system-netbsd

; Verify first that *without* hash, we don't use the cache.
; RUN: opt -module-summary %s -o %t.bc
; RUN: opt -module-summary %p/Inputs/cache.ll -o %t2.bc

; Verify that enabling caching is ignoring module without hash
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
; RUN: ls %t.cache/llvmcache.timestamp
; RUN: ls %t.cache | count 1

; Verify that enabling caching is ignoring module without hash with llvm-lto2
; RUN: rm -Rf %t.cache
; RUN: llvm-lto2 run -o %t.o %t2.bc  %t.bc -cache-dir %t.cache \
; RUN:  -r=%t2.bc,_main,plx \
; RUN:  -r=%t2.bc,_globalfunc,lx \
; RUN:  -r=%t.bc,_globalfunc,plx
; RUN: ls %t.cache | count 0


; Repeat again, *with* hash this time.

; RUN: opt -module-hash -module-summary %s -o %t.bc
; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o %t2.bc

; Verify that enabling caching is working, and that the pruner only removes
; files matching the pattern "llvmcache-*".
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: touch -t 197001011200 %t.cache/llvmcache-foo %t.cache/foo
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
; RUN: ls %t.cache | count 4
; RUN: ls %t.cache/llvmcache.timestamp
; RUN: ls %t.cache/foo
; RUN: not ls %t.cache/llvmcache-foo
; RUN: ls %t.cache/llvmcache-* | count 2

; Verify that enabling caching is working with llvm-lto2
; RUN: rm -Rf %t.cache
; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
; RUN:  -r=%t2.bc,_main,plx \
; RUN:  -r=%t2.bc,_globalfunc,lx \
; RUN:  -r=%t.bc,_globalfunc,plx
; RUN: ls %t.cache | count 2
; RUN: ls %t.cache/llvmcache-* | count 2

; Verify that caches with a timestamp older than the pruning interval
; will be pruned
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
; RUN: touch -t 197001011200 %t.cache/llvmcache.timestamp
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
; RUN: not ls %t.cache/llvmcache-foo

; Verify that specifying a negative number for the pruning interval
; effectively disables the pruning
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
; RUN: touch -t 197001011200 %t.cache/llvmcache.timestamp
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval -1
; RUN: ls %t.cache/llvmcache-foo

; Verify that the pruner doesn't run and a cache file is not deleted when: 
; default values for pruning interval and cache expiration are used, 
; llvmcache.timestamp is current, 
; cache file is older than default cache expiration value.
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
; RUN: touch %t.cache/llvmcache.timestamp
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
; RUN: ls %t.cache/llvmcache-foo

; Verify that the pruner runs and a cache file is deleted when:
; pruning interval has value 0 (i.e. run garbage collector now)
; default value for cache expiration is used,
; llvmcache.timestamp is current,
; cache file is older than default cache expiration value.
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: touch -t 197001011200 %t.cache/llvmcache-foo
; RUN: touch %t.cache/llvmcache.timestamp
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval 0
; RUN: not ls %t.cache/llvmcache-foo

; Populate the cache with files with "old" access times, then check llvm-lto updates these file times
; A negative pruning interval is used to avoid removing cache entries
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache
; RUN: touch -a -t 197001011200 %t.cache/llvmcache-*
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-pruning-interval -1
; RUN: ls -ltu %t.cache/* | not grep 1970-01-01

; Populate the cache with files with "old" access times, then check llvm-lto2 updates these file times
; RUN: rm -Rf %t.cache
; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
; RUN:  -r=%t2.bc,_main,plx \
; RUN:  -r=%t2.bc,_globalfunc,lx \
; RUN:  -r=%t.bc,_globalfunc,plx
; RUN: touch -a -t 197001011200 %t.cache/llvmcache-*
; RUN: llvm-lto2 run -o %t.o %t2.bc %t.bc -cache-dir %t.cache \
; RUN:  -r=%t2.bc,_main,plx \
; RUN:  -r=%t2.bc,_globalfunc,lx \
; RUN:  -r=%t.bc,_globalfunc,plx
; RUN: ls -ltu %t.cache/* | not grep 1970-01-01

; Verify that specifying max size for the cache directory prunes it to this
; size, removing the oldest files first.
; RUN: rm -Rf %t.cache && mkdir %t.cache
; Create cache files with different sizes.
; Only 8B and 76B files should stay after pruning.
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-100k', 'w') as file: file.truncate(102400)"
; RUN: touch -t 198002011200 %t.cache/llvmcache-foo-100k
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-16', 'w') as file: file.truncate(16)"
; RUN: touch -t 198002021200 %t.cache/llvmcache-foo-16
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-77k', 'w') as file: file.truncate(78848)"
; RUN: touch -t 198002031200 %t.cache/llvmcache-foo-77k
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-8', 'w') as file: file.truncate(8)"
; RUN: touch -t 198002041200 %t.cache/llvmcache-foo-8
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-76', 'w') as file: file.truncate(76)"
; RUN: touch -t 198002051200 %t.cache/llvmcache-foo-76
; 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
; RUN: ls %t.cache/llvmcache-foo-8
; RUN: ls %t.cache/llvmcache-foo-76
; RUN: not ls %t.cache/llvmcache-foo-16
; RUN: not ls %t.cache/llvmcache-foo-100k
; RUN: not ls %t.cache/llvmcache-foo-77k

; Verify that specifying a max size > 4GB for the cache directory does not
; prematurely prune, due to an integer overflow.
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: %python -c "with open(r'%t.cache/llvmcache-foo-10', 'w') as file: file.truncate(10)"
; RUN: llvm-lto -thinlto-action=run -exported-symbol=globalfunc %t2.bc %t.bc -thinlto-cache-dir %t.cache --thinlto-cache-max-size-bytes 4294967297
; RUN: ls %t.cache/llvmcache-foo-10

; Verify that negative numbers aren't accepted for the
; --thinlto-cache-max-size-bytes switch
; RUN: rm -Rf %t.cache && mkdir %t.cache
; RUN: not llvm-lto %t.bc --thinlto-cache-max-size-bytes -1 2>&1 | FileCheck %s
; CHECK: -thinlto-cache-max-size-bytes option: '-1' value invalid

; Verify that specifying max number of files in the cache directory prunes
; it to this amount, removing the oldest files first.
; RUN: rm -Rf %t.cache && mkdir %t.cache
; Create cache files with different sizes.
; Only 75B and 76B files should stay after pruning.
; RUN: %python -c "print(' ' * 1023)" > %t.cache/llvmcache-foo-1023
; RUN: touch -t 198002011200 %t.cache/llvmcache-foo-1023
; RUN: %python -c "print(' ' * 15)" > %t.cache/llvmcache-foo-15
; RUN: touch -t 198002021200 %t.cache/llvmcache-foo-15
; RUN: %python -c "print(' ' * 7)" > %t.cache/llvmcache-foo-7
; RUN: touch -t 198002031200 %t.cache/llvmcache-foo-7
; RUN: %python -c "print(' ' * 75)" > %t.cache/llvmcache-foo-75
; RUN: touch -t 198002041200 %t.cache/llvmcache-foo-75
; RUN: %python -c "print(' ' * 76)" > %t.cache/llvmcache-foo-76
; RUN: touch -t 198002051200 %t.cache/llvmcache-foo-76
; 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
; RUN: ls %t.cache/llvmcache-foo-75
; RUN: ls %t.cache/llvmcache-foo-76
; RUN: not ls %t.cache/llvmcache-foo-15
; RUN: not ls %t.cache/llvmcache-foo-1024
; RUN: not ls %t.cache/llvmcache-foo-7

target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.11.0"

define void @globalfunc() #0 {
entry:
  ret void
}