| ; REQUIRES: x86, shell |
| |
| ; RUN: rm -rf %t; split-file %s %t |
| ; RUN: opt -module-hash -module-summary %t/foo.ll -o %t/foo.o |
| ; RUN: opt -module-hash -module-summary %t/bar.ll -o %t/bar.o |
| |
| ;; Check cache policies of the number of files. |
| ;; Case 1: A value of 0 disables the number of files based pruning. Therefore, there is no warning. |
| ; RUN: %lld -v -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_files=0 -o %t/test %t/foo.o %t/bar.o 2>&1 | FileCheck %s --implicit-check-not=warning: |
| ;; 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. |
| ; RUN: %lld -v -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_files=3 %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --implicit-check-not=warning: |
| ;; 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. |
| ; RUN: %lld -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_files=1 %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --check-prefixes=NUM,WARN |
| |
| ;; Check cache policies of the cache size. |
| ;; Case 1: A value of 0 disables the absolute size-based pruning. Therefore, there is no warning. |
| ; RUN: %lld -v -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=0 %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --implicit-check-not=warning: |
| |
| ;; Get the total size of created cache files. |
| ; RUN: cd %t |
| ; RUN: %lld -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=32k %t/foo.o %t/bar.o -o %t/test 2>&1 |
| ; 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 |
| |
| ;; 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. |
| ; RUN: %lld -v -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) + 5)) %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --implicit-check-not=warning: |
| |
| ;; 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. |
| ; RUN: %lld -v -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_bytes=$(($(cat %t.size.txt) - 5)) %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --check-prefixes=SIZE,WARN |
| |
| ;; Check emit two warnings if pruning happens due to reach both the size and number limits. |
| ; RUN: %lld -cache_path_lto %t --thinlto-cache-policy=prune_interval=0s:cache_size_files=1:cache_size_bytes=1 %t/foo.o %t/bar.o -o %t/test 2>&1 | FileCheck %s --check-prefixes=NUM,SIZE,WARN |
| |
| ; NUM: warning: ThinLTO cache pruning happens since the number of{{.*}}--thinlto-cache-policy |
| ; SIZE: warning: ThinLTO cache pruning happens since the total size of{{.*}}--thinlto-cache-policy |
| ; WARN-NOT: warning: ThinLTO cache pruning happens{{.*}}--thinlto-cache-policy |
| |
| ;--- foo.ll |
| |
| target triple = "x86_64-apple-macosx10.15.0" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @globalfunc() #0 { |
| entry: |
| ret void |
| } |
| |
| |
| ;--- bar.ll |
| |
| target triple = "x86_64-apple-macosx10.15.0" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define i32 @main() { |
| entry: |
| call void (...) @globalfunc() |
| ret i32 0 |
| } |
| |
| declare void @globalfunc(...) |