3 ; RUN: opt -module-hash -module-summary %s -o %t.o
4 ; RUN: opt -module-hash -module-summary %p/Inputs/cache.ll -o %t2.o
6 ; RUN: rm -rf %t && mkdir %t
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: ld.lld --verbose --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_files=0 %t2.o %t.o -o %t3 2>&1 | FileCheck %s --implicit-check-not=warning:
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: ld.lld --verbose --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_files=3 %t2.o %t.o -o %t3 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: ld.lld --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_files=1 %t2.o %t.o -o %t3 2>&1 | FileCheck %s --check-prefixes=NUM,WARN
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: ld.lld --verbose --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=0 %t2.o %t.o -o %t3 2>&1 | FileCheck %s --implicit-check-not=warning:
20 ;; Get the total size of created cache files.
21 ; RUN: rm -rf %t && mkdir %t && cd %t
22 ; RUN: ld.lld --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=32k %t2.o %t.o -o %t3 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
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: ld.lld --verbose --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) + 5)) %t2.o %t.o -o %t3 2>&1 | FileCheck %s --implicit-check-not=warning:
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: ld.lld --verbose --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) - 5)) %t2.o %t.o -o %t3 2>&1 | FileCheck %s --check-prefixes=SIZE,WARN
31 ;; Check emit two warnings if pruning happens due to reach both the size and number limits.
32 ; RUN: ld.lld --thinlto-cache-dir=%t --thinlto-cache-policy=prune_interval=0s:cache_size_files=1:cache_size_bytes=1 %t2.o %t.o -o %t3 2>&1 | FileCheck %s --check-prefixes=NUM,SIZE,WARN
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 ; WARN-NOT: warning: ThinLTO cache pruning happens{{.*}}--thinlto-cache-policy
38 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
39 target triple = "x86_64-unknown-linux-gnu"
41 define void @globalfunc() {