; REQUIRES: x86 ; NetBSD: noatime mounts currently inhibit 'touch' from updating atime ; UNSUPPORTED: system-netbsd ; RUN: rm -rf %t && mkdir %t && cd %t ; RUN: opt -module-hash -module-summary %s -o a.bc ; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o b.bc ; RUN: mkdir cache ; Create two files that would be removed by cache pruning due to age. ; We should only remove files matching the pattern "llvmcache-*". ; RUN: touch -t 197001011200 cache/llvmcache-foo cache/foo ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=1h:prune_interval=0s -o out b.bc a.bc ; Two cached objects, plus a timestamp file and "foo", minus the file we removed. ; RUN: ls cache | count 4 ; Create a file of size 64KB. ; RUN: %python -c "print(' ' * 65536)" > cache/llvmcache-foo ; This should leave the file in place. ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=128k:prune_interval=0s -o out b.bc a.bc ; RUN: ls cache | count 5 ; Increase the age of llvmcache-foo, which will give it the oldest time stamp ; so that it is processed and removed first. ; RUN: %python -c 'import os,sys,time; t=time.time()-120; os.utime(sys.argv[1],(t,t))' cache/llvmcache-foo ; This should remove it. ; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=32k:prune_interval=0s -o out b.bc a.bc ; RUN: ls cache | count 4 ; Setting max number of files to 0 should disable the limit, not delete everything. ; 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 ; RUN: ls cache | count 4 ; Delete everything except for the timestamp, "foo" and one cache file. ; 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 ; RUN: ls cache | count 3 ; Check that we remove the least recently used file first. ; RUN: rm -fr cache && mkdir cache ; RUN: echo xyz > cache/llvmcache-old ; RUN: touch -t 198002011200 cache/llvmcache-old ; RUN: echo xyz > cache/llvmcache-newer ; RUN: touch -t 198002021200 cache/llvmcache-newer ; 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 ; RUN: ls cache | FileCheck %s ; CHECK-NOT: llvmcache-old ; CHECK: llvmcache-newer ; CHECK-NOT: llvmcache-old ; RUN: rm -fr cache && mkdir cache ; RUN: ld.lld --thinlto-cache-dir=cache --save-temps -o out b.bc a.bc -M | FileCheck %s --check-prefix=MAP ; RUN: ls out.lto.a.o a.bc.0.preopt.bc b.bc.0.preopt.bc ; MAP: out.lto.b.o:(.text) ; MAP: out.lto.a.o:(.text) ;; Check that mllvm options participate in the cache key ; RUN: rm -rf cache && mkdir cache ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc ; RUN: ls cache | count 3 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 5 ;; Adding another option resuls in 2 more cache entries ; RUN: rm -rf cache && mkdir cache ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc ; RUN: ls cache | count 3 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 5 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 ; RUN: ls cache | count 7 ;; Changing order may matter - e.g. if overriding -mllvm options - so we get 2 more entries ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -max-devirt-iterations=1 -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 9 ;; Going back to a pre-cached order doesn't create more entries. ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 ; RUN: ls cache | count 9 ;; Different flag values matter ; RUN: rm -rf cache && mkdir cache ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=2 ; RUN: ls cache | count 3 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 ; RUN: ls cache | count 5 ;; Same flag value passed to different flags matters, and switching the order ;; of the two flags matters. ; RUN: rm -rf cache && mkdir cache ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 3 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default ; RUN: ls cache | count 5 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 5 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -emit-dwarf-unwind=default ; RUN: ls cache | count 7 ; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default -mllvm -enable-ml-inliner=default ; RUN: ls cache | count 9 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @globalfunc() #0 { entry: ret void }