diff options
Diffstat (limited to 'test/profile/instrprof-darwin-dead-strip.c')
| -rw-r--r-- | test/profile/instrprof-darwin-dead-strip.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/profile/instrprof-darwin-dead-strip.c b/test/profile/instrprof-darwin-dead-strip.c new file mode 100644 index 000000000..64a4895a9 --- /dev/null +++ b/test/profile/instrprof-darwin-dead-strip.c @@ -0,0 +1,60 @@ +// 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: %run %t +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: llvm-profdata show --all-functions %t.profdata | FileCheck %s -check-prefix=PROF +// RUN: llvm-cov show %t -instr-profile %t.profdata | FileCheck %s -check-prefix=COV +// RUN: nm %t | FileCheck %s -check-prefix=NM +// 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: %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 +// RUN: llvm-cov show %t.lto -instr-profile %t.lto.profdata | FileCheck %s -check-prefix=COV +// RUN: nm %t.lto | FileCheck %s -check-prefix=NM +// RUN: otool -s __DATA __llvm_prf_names %t.lto | FileCheck %s -check-prefix=PRF_NAMES +// RUN: otool -s __DATA __llvm_prf_cnts %t.lto | FileCheck %s -check-prefix=PRF_CNTS + +// Note: We expect foo() and some of the profiling data associated with it to +// be dead-stripped. + +// COV: [[@LINE+1]]{{ *}}|{{ *}}0|void foo() +void foo() {} + +// COV: [[@LINE+1]]{{ *}}|{{ *}}1|int main +int main() { return 0; } + +// NM-NOT: foo + +// PROF: Counters: +// PROF-NEXT: main: +// PROF-NEXT: Hash: +// PROF-NEXT: Counters: 1 +// PROF-NEXT: Function count: 1 +// PROF-NEXT: Functions shown: 1 +// PROF-NEXT: Total functions: 1 +// PROF-NEXT: Maximum function count: 1 +// PROF-NEXT: Maximum internal block count: 0 + +// Note: We don't expect the names of dead-stripped functions to disappear from +// __llvm_prf_names, because collectPGOFuncNameStrings() glues the names +// together. + +// PRF_NAMES: Contents of (__DATA,__llvm_prf_names) section +// PRF_NAMES-NEXT: {{.*}} 08 00 66 6f 6f 01 6d 61 69 6e{{ +$}} +// | | f o o # m a i n +// | |___________| +// | | +// UncompressedLen = 8 | +// | +// CompressedLen = 0 + +// Note: We expect the profile counters for dead-stripped functions to also be +// dead-stripped. + +// PRF_CNTS: Contents of (__DATA,__llvm_prf_cnts) section +// PRF_CNTS-NEXT: {{.*}} 00 00 00 00 00 00 00 00{{ +$}} |