diff options
| author | Vedant Kumar <vsk@apple.com> | 2018-02-28 19:00:16 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2018-02-28 19:00:16 +0000 |
| commit | cb51fdb0ad4f3c34c5a7212a1b93163a7489fb76 (patch) | |
| tree | 2366d8be4fe88bc18cc139a7ae4e898dbd3857e1 /test/profile | |
| parent | 9727fe0278d8e65497514d3e55f68ff6ff87b1fc (diff) | |
[profile] Test the exported symbol set for empty programs
Programs without any code in them should export the exact same set of
symbols as programs with code, at least on Darwin. This is done to make
text-based API verification possible for certain Darwin frameworks.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@326351 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/profile')
| -rw-r--r-- | test/profile/instrprof-darwin-dead-strip.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/test/profile/instrprof-darwin-dead-strip.c b/test/profile/instrprof-darwin-dead-strip.c index 03049335e..6a2bffc21 100644 --- a/test/profile/instrprof-darwin-dead-strip.c +++ b/test/profile/instrprof-darwin-dead-strip.c @@ -1,7 +1,7 @@ // REQUIRES: osx-ld64-live_support // REQUIRES: lto -// RUN: %clang_profgen=%t.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -Wl,-dead_strip -o %t %s +// RUN: %clang_profgen=%t.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip -o %t %s // RUN: %run %t // RUN: llvm-profdata merge -o %t.profdata %t.profraw // RUN: llvm-profdata show --all-functions %t.profdata | FileCheck %s -check-prefix=PROF @@ -10,7 +10,7 @@ // RUN: otool -s __DATA __llvm_prf_names %t | FileCheck %s -check-prefix=PRF_NAMES // RUN: otool -s __DATA __llvm_prf_cnts %t | FileCheck %s -check-prefix=PRF_CNTS -// RUN: %clang_lto_profgen=%t.lto.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -Wl,-dead_strip -flto -o %t.lto %s +// RUN: %clang_lto_profgen=%t.lto.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip -flto -o %t.lto %s // RUN: %run %t.lto // RUN: llvm-profdata merge -o %t.lto.profdata %t.lto.profraw // RUN: llvm-profdata show --all-functions %t.lto.profdata | FileCheck %s -check-prefix=PROF @@ -22,12 +22,24 @@ // Note: We expect foo() and some of the profiling data associated with it to // be dead-stripped. +// Note: When there is no code in a program, we expect to see the exact same +// set of external functions provided by the profile runtime. + +// RUN: %clang_profgen -fcoverage-mapping -Wl,-dead_strip -dynamiclib -o %t.nocode.dylib %s +// RUN: nm -jgU %t.nocode.dylib > %t.nocode.syms +// RUN: nm -jgU %t | grep -vE "main|foo|mh_execute_header" > %t.code.syms +// RUN: diff %t.nocode.syms %t.code.syms + +#ifdef CODE + // COV: [[@LINE+1]]{{ *}}|{{ *}}0|void foo() void foo() {} // COV: [[@LINE+1]]{{ *}}|{{ *}}1|int main int main() { return 0; } +#endif // CODE + // NM-NOT: foo // PROF: Counters: |