1; REQUIRES: x86, shell 2 3; RUN: opt -module-hash -module-summary %s -o %t.o 4; RUN: opt -module-hash -module-summary %p/Inputs/lto-cache.ll -o %t2.o 5 6; RUN: rm -rf %t && mkdir %t 7 8;; Check cache policies of the number of files. 9;; Case 1: A value of 0 disables the number of files based pruning. Therefore, there is no warning. 10; RUN: lld-link /verbose /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_files=0 /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck --implicit-check-not=warning: %s 11;; Case 2: If the total number of the files created by the current link job is less than the maximum number of files, there is no warning. 12; RUN: lld-link /verbose /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_files=3 /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --implicit-check-not=warning: 13;; Case 3: If the total number of the files created by the current link job exceeds the maximum number of files, a warning is given. 14; RUN: lld-link /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_files=1 /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --check-prefix=NUM 15 16;; Check cache policies of the cache size. 17;; Case 1: A value of 0 disables the absolute size-based pruning. Therefore, there is no warning. 18; RUN: lld-link /verbose /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_bytes=0 /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --implicit-check-not=warning: 19 20;; Get the total size of created cache files. 21; RUN: rm -rf %t && mkdir %t && cd %t 22; RUN: lld-link /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_bytes=32k /out:%t3 /entry:main %t2.o %t.o 2>&1 23; RUN: %python -c "import os, sys; print(sum(os.path.getsize(filename) for filename in os.listdir('.') if os.path.isfile(filename) and filename.startswith('llvmcache-')))" > %t.size.txt 24 25;; Case 2: If the total size of the cache files created by the current link job is less than the maximum size for the cache directory in bytes, there is no warning. 26; RUN: lld-link /verbose /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) + 5)) /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --implicit-check-not=warning: 27 28;; Case 3: If the total size of the cache files created by the current link job exceeds the maximum size for the cache directory in bytes, a warning is given. 29; RUN: lld-link /verbose /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) - 5)) /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --check-prefix=SIZE 30 31;; Check emit two warnings if pruning happens due to reach both the size and number limits. 32; RUN: lld-link /lldltocache:%t /lldltocachepolicy:prune_interval=0s:cache_size_files=1:cache_size_bytes=1 /out:%t3 /entry:main %t2.o %t.o 2>&1 | FileCheck %s --check-prefixes=NUM,SIZE 33 34; NUM: warning: ThinLTO cache pruning happens since the number of{{.*}}--thinlto-cache-policy 35; SIZE: warning: ThinLTO cache pruning happens since the total size of{{.*}}--thinlto-cache-policy 36 37target datalayout = "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 38target triple = "x86_64-pc-windows-msvc" 39 40define void @globalfunc() #0 { 41entry: 42 ret void 43} 44