481d224b67
Summary: Before this change, pruning order was based on size. This changes it to be based on time of last use instead, preferring to keep recently used files and prune older ones. Reviewers: pcc, rnk, espindola Reviewed By: rnk Subscribers: emaste, arichardson, hiraditya, steven_wu, dexonsmith, llvm-commits Differential Revision: https://reviews.llvm.org/D51062 llvm-svn: 340374
55 lines
2.3 KiB
LLVM
55 lines
2.3 KiB
LLVM
; REQUIRES: x86
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; RUN: opt -module-hash -module-summary %s -o %t.o
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; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o %t2.o
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; RUN: rm -Rf %t.cache && mkdir %t.cache
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; Create two files that would be removed by cache pruning due to age.
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; We should only remove files matching the pattern "llvmcache-*".
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; RUN: touch -t 197001011200 %t.cache/llvmcache-foo %t.cache/foo
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy prune_after=1h:prune_interval=0s -o %t3 %t2.o %t.o
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; Two cached objects, plus a timestamp file and "foo", minus the file we removed.
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; RUN: ls %t.cache | count 4
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; Create a file of size 64KB.
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; RUN: %python -c "print(' ' * 65536)" > %t.cache/llvmcache-foo
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; This should leave the file in place.
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy cache_size_bytes=128k:prune_interval=0s -o %t3 %t2.o %t.o
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; RUN: ls %t.cache | count 5
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; This should remove it.
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy cache_size_bytes=32k:prune_interval=0s -o %t3 %t2.o %t.o
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; RUN: ls %t.cache | count 4
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; Setting max number of files to 0 should disable the limit, not delete everything.
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=0:prune_interval=0s -o %t3 %t2.o %t.o
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; RUN: ls %t.cache | count 4
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; Delete everything except for the timestamp, "foo" and one cache file.
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=1:prune_interval=0s -o %t3 %t2.o %t.o
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; RUN: ls %t.cache | count 3
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; Check that we remove the least recently used file first.
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; RUN: rm -fr %t.cache
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; RUN: mkdir %t.cache
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; RUN: echo xyz > %t.cache/llvmcache-old
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; RUN: touch -t 198002011200 %t.cache/llvmcache-old
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; RUN: echo xyz > %t.cache/llvmcache-newer
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; RUN: touch -t 198002021200 %t.cache/llvmcache-newer
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; RUN: ld.lld --thinlto-cache-dir=%t.cache --thinlto-cache-policy prune_after=0s:cache_size=0%:cache_size_files=3:prune_interval=0s -o %t3 %t2.o %t.o
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; RUN: ls %t.cache | FileCheck %s
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; CHECK-NOT: llvmcache-old
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; CHECK: llvmcache-newer
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; CHECK-NOT: llvmcache-old
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @globalfunc() #0 {
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entry:
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ret void
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}
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