1; RUN: opt -module-hash -module-summary %s -o %t.bc
2; RUN: opt -module-hash -module-summary %p/Inputs/empty_module_with_cache.ll -o %t2.bc
3
4; Verify that enabling caching is working, even if the module is empty
5; RUN: rm -Rf %t.cache && mkdir %t.cache
6; RUN: llvm-lto -thinlto-action=run %t2.bc  %t.bc -exported-symbol=main -thinlto-cache-dir %t.cache
7; RUN: ls %t.cache/llvmcache.timestamp
8; RUN: ls %t.cache | count 3
9
10; Verify that enabling caching is working with llvm-lto2
11; RUN: rm -Rf %t.cache
12; RUN: llvm-lto2 run -o %t.o %t2.bc  %t.bc -cache-dir %t.cache \
13; RUN:  -r=%t2.bc,_main,plx
14; RUN: ls %t.cache | count 2
15
16; Same, but without hash, the index will be empty and caching should not happen
17
18; RUN: opt -module-summary %s -o %t.bc
19; RUN: opt -module-summary %p/Inputs/empty_module_with_cache.ll -o %t2.bc
20
21; Verify that caching is disabled for module without hash
22; RUN: rm -Rf %t.cache && mkdir %t.cache
23; RUN: llvm-lto -thinlto-action=run %t2.bc  %t.bc -exported-symbol=main -thinlto-cache-dir %t.cache
24; RUN: ls %t.cache/llvmcache.timestamp
25; RUN: ls %t.cache | count 1
26
27; Verify that caching is disabled for module without hash, with llvm-lto2
28; RUN: rm -Rf %t.cache
29; RUN: llvm-lto2 run -o %t.o %t2.bc  %t.bc -cache-dir %t.cache \
30; RUN:  -r=%t2.bc,_main,plx
31; RUN: ls %t.cache | count 0
32
33
34target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
35target triple = "x86_64-apple-macosx10.11.0"
36