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
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
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
16 ; Same, but without hash, the index will be empty and caching should not happen
18 ; RUN: opt -module-summary %s -o %t.bc
19 ; RUN: opt -module-summary %p/Inputs/empty_module_with_cache.ll -o %t2.bc
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
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
34 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
35 target triple = "x86_64-apple-macosx10.11.0"