| // REQUIRES: osx-ld64-live_support |
| // REQUIRES: lto |
| |
| // 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 |
| // RUN: llvm-cov show %t -instr-profile %t.profdata | FileCheck %s -check-prefix=COV |
| // RUN: nm %t | FileCheck %s -check-prefix=NM |
| // RUN: otool -V -s __DATA __llvm_prf_names %t | FileCheck %s -check-prefix=PRF_NAMES |
| // RUN: otool -V -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 -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 |
| // 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 -V -s __DATA __llvm_prf_names %t.lto | FileCheck %s -check-prefix=PRF_NAMES |
| // RUN: otool -V -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. |
| |
| // 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: |
| // PROF-NEXT: main: |
| // PROF-NEXT: Hash: |
| // PROF-NEXT: Counters: 1 |
| // PROF-NEXT: Function count: 1 |
| // PROF-NEXT: Instrumentation level: Front-end |
| // 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 |