1; REQUIRES: x86 2; NetBSD: noatime mounts currently inhibit 'touch' from updating atime 3; UNSUPPORTED: system-netbsd 4 5; RUN: rm -rf %t && mkdir %t && cd %t 6; RUN: opt -module-hash -module-summary %s -o a.bc 7; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o b.bc 8 9; RUN: mkdir cache 10; Create two files that would be removed by cache pruning due to age. 11; We should only remove files matching the pattern "llvmcache-*". 12; RUN: touch -t 197001011200 cache/llvmcache-foo cache/foo 13; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy prune_after=1h:prune_interval=0s -o out b.bc a.bc 14 15; Two cached objects, plus a timestamp file and "foo", minus the file we removed. 16; RUN: ls cache | count 4 17 18; Create a file of size 64KB. 19; RUN: %python -c "print(' ' * 65536)" > cache/llvmcache-foo 20 21; This should leave the file in place. 22; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=128k:prune_interval=0s -o out b.bc a.bc 23; RUN: ls cache | count 5 24 25; Increase the age of llvmcache-foo, which will give it the oldest time stamp 26; so that it is processed and removed first. 27; RUN: %python -c 'import os,sys,time; t=time.time()-120; os.utime(sys.argv[1],(t,t))' cache/llvmcache-foo 28 29; This should remove it. 30; RUN: ld.lld --thinlto-cache-dir=cache --thinlto-cache-policy cache_size_bytes=32k:prune_interval=0s -o out b.bc a.bc 31; RUN: ls cache | count 4 32 33; Setting max number of files to 0 should disable the limit, not delete everything. 34; 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 35; RUN: ls cache | count 4 36 37; Delete everything except for the timestamp, "foo" and one cache file. 38; 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 39; RUN: ls cache | count 3 40 41; Check that we remove the least recently used file first. 42; RUN: rm -fr cache && mkdir cache 43; RUN: echo xyz > cache/llvmcache-old 44; RUN: touch -t 198002011200 cache/llvmcache-old 45; RUN: echo xyz > cache/llvmcache-newer 46; RUN: touch -t 198002021200 cache/llvmcache-newer 47; 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 48; RUN: ls cache | FileCheck %s 49 50; CHECK-NOT: llvmcache-old 51; CHECK: llvmcache-newer 52; CHECK-NOT: llvmcache-old 53 54; RUN: rm -fr cache && mkdir cache 55; RUN: ld.lld --thinlto-cache-dir=cache --save-temps -o out b.bc a.bc -M | FileCheck %s --check-prefix=MAP 56; RUN: ls out.lto.a.o a.bc.0.preopt.bc b.bc.0.preopt.bc 57 58; MAP: out.lto.b.o:(.text) 59; MAP: out.lto.a.o:(.text) 60 61;; Check that mllvm options participate in the cache key 62; RUN: rm -rf cache && mkdir cache 63; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc 64; RUN: ls cache | count 3 65; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default 66; RUN: ls cache | count 5 67 68;; Adding another option resuls in 2 more cache entries 69; RUN: rm -rf cache && mkdir cache 70; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc 71; RUN: ls cache | count 3 72; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default 73; RUN: ls cache | count 5 74; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 75; RUN: ls cache | count 7 76 77;; Changing order may matter - e.g. if overriding -mllvm options - so we get 2 more entries 78; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -max-devirt-iterations=1 -mllvm -enable-ml-inliner=default 79; RUN: ls cache | count 9 80 81;; Going back to a pre-cached order doesn't create more entries. 82; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 83; RUN: ls cache | count 9 84 85;; Different flag values matter 86; RUN: rm -rf cache && mkdir cache 87; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=2 88; RUN: ls cache | count 3 89; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -max-devirt-iterations=1 90; RUN: ls cache | count 5 91 92;; Same flag value passed to different flags matters, and switching the order 93;; of the two flags matters. 94; RUN: rm -rf cache && mkdir cache 95; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default 96; RUN: ls cache | count 3 97; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default 98; RUN: ls cache | count 5 99; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default 100; RUN: ls cache | count 5 101; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -enable-ml-inliner=default -mllvm -emit-dwarf-unwind=default 102; RUN: ls cache | count 7 103; RUN: ld.lld --thinlto-cache-dir=cache -o out b.bc a.bc -mllvm -emit-dwarf-unwind=default -mllvm -enable-ml-inliner=default 104; RUN: ls cache | count 9 105 106target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 107target triple = "x86_64-unknown-linux-gnu" 108 109define void @globalfunc() #0 { 110entry: 111 ret void 112} 113