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| 1 | +// REQUIRES: osx-ld64-live_support |
| 2 | +// REQUIRES: lto |
| 3 | + |
| 4 | +// RUN: %clang_profgen=%t.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -Wl,-dead_strip -o %t %s |
| 5 | +// RUN: %run %t |
| 6 | +// RUN: llvm-profdata merge -o %t.profdata %t.profraw |
| 7 | +// RUN: llvm-profdata show --all-functions %t.profdata | FileCheck %s -check-prefix=PROF |
| 8 | +// RUN: llvm-cov show %t -instr-profile %t.profdata | FileCheck %s -check-prefix=COV |
| 9 | +// RUN: nm %t | FileCheck %s -check-prefix=NM |
| 10 | +// RUN: otool -s __DATA __llvm_prf_names %t | FileCheck %s -check-prefix=PRF_NAMES |
| 11 | +// RUN: otool -s __DATA __llvm_prf_cnts %t | FileCheck %s -check-prefix=PRF_CNTS |
| 12 | + |
| 13 | +// RUN: %clang_lto_profgen=%t.lto.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -Wl,-dead_strip -flto -o %t.lto %s |
| 14 | +// RUN: %run %t.lto |
| 15 | +// RUN: llvm-profdata merge -o %t.lto.profdata %t.lto.profraw |
| 16 | +// RUN: llvm-profdata show --all-functions %t.lto.profdata | FileCheck %s -check-prefix=PROF |
| 17 | +// RUN: llvm-cov show %t.lto -instr-profile %t.lto.profdata | FileCheck %s -check-prefix=COV |
| 18 | +// RUN: nm %t.lto | FileCheck %s -check-prefix=NM |
| 19 | +// RUN: otool -s __DATA __llvm_prf_names %t.lto | FileCheck %s -check-prefix=PRF_NAMES |
| 20 | +// RUN: otool -s __DATA __llvm_prf_cnts %t.lto | FileCheck %s -check-prefix=PRF_CNTS |
| 21 | + |
| 22 | +// Note: We expect foo() and some of the profiling data associated with it to |
| 23 | +// be dead-stripped. |
| 24 | + |
| 25 | +// COV: [[@LINE+1]]{{ *}}|{{ *}}0|void foo() |
| 26 | +void foo() {} |
| 27 | + |
| 28 | +// COV: [[@LINE+1]]{{ *}}|{{ *}}1|int main |
| 29 | +int main() { return 0; } |
| 30 | + |
| 31 | +// NM-NOT: foo |
| 32 | + |
| 33 | +// PROF: Counters: |
| 34 | +// PROF-NEXT: main: |
| 35 | +// PROF-NEXT: Hash: |
| 36 | +// PROF-NEXT: Counters: 1 |
| 37 | +// PROF-NEXT: Function count: 1 |
| 38 | +// PROF-NEXT: Functions shown: 1 |
| 39 | +// PROF-NEXT: Total functions: 1 |
| 40 | +// PROF-NEXT: Maximum function count: 1 |
| 41 | +// PROF-NEXT: Maximum internal block count: 0 |
| 42 | + |
| 43 | +// Note: We don't expect the names of dead-stripped functions to disappear from |
| 44 | +// __llvm_prf_names, because collectPGOFuncNameStrings() glues the names |
| 45 | +// together. |
| 46 | + |
| 47 | +// PRF_NAMES: Contents of (__DATA,__llvm_prf_names) section |
| 48 | +// PRF_NAMES-NEXT: {{.*}} 08 00 66 6f 6f 01 6d 61 69 6e{{ +$}} |
| 49 | +// | | f o o # m a i n |
| 50 | +// | |___________| |
| 51 | +// | | |
| 52 | +// UncompressedLen = 8 | |
| 53 | +// | |
| 54 | +// CompressedLen = 0 |
| 55 | + |
| 56 | +// Note: We expect the profile counters for dead-stripped functions to also be |
| 57 | +// dead-stripped. |
| 58 | + |
| 59 | +// PRF_CNTS: Contents of (__DATA,__llvm_prf_cnts) section |
| 60 | +// PRF_CNTS-NEXT: {{.*}} 00 00 00 00 00 00 00 00{{ +$}} |
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