| 1 | // REQUIRES: osx-ld64-live_support |
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| 2 | // REQUIRES: lto |
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| 3 | |
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| 4 | // RUN: %clang_profgen=%t.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip \ |
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| 5 | // RUN: -Wl,-sectalign,__DATA,__llvm_prf_cnts,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_data,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_bits,0x1000 -o %t %s |
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| 6 | // RUN: %run %t |
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| 7 | // RUN: llvm-profdata merge -o %t.profdata %t.profraw |
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| 8 | // RUN: llvm-profdata show --all-functions %t.profdata | FileCheck %s -check-prefix=PROF |
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| 9 | // RUN: llvm-cov show %t -instr-profile %t.profdata | FileCheck %s -check-prefix=COV |
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| 10 | // RUN: nm %t | FileCheck %s -check-prefix=NM |
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| 11 | // RUN: otool -V -s __DATA __llvm_prf_names %t | FileCheck %s -check-prefix=PRF_NAMES |
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| 12 | // RUN: otool -V -s __DATA __llvm_prf_cnts %t | FileCheck %s -check-prefix=PRF_CNTS |
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| 13 | |
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| 14 | // RUN: %clang_lto_profgen=%t.lto.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip -Wl,-w -flto \ |
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| 15 | // RUN: -Wl,-sectalign,__DATA,__llvm_prf_cnts,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_data,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_bits,0x1000 -o %t.lto %s |
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| 16 | // RUN: %run %t.lto |
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| 17 | // RUN: llvm-profdata merge -o %t.lto.profdata %t.lto.profraw |
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| 18 | // RUN: llvm-profdata show --all-functions %t.lto.profdata | FileCheck %s -check-prefix=PROF |
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| 19 | // RUN: llvm-cov show %t.lto -instr-profile %t.lto.profdata | FileCheck %s -check-prefix=COV |
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| 20 | // RUN: nm %t.lto | FileCheck %s -check-prefix=NM |
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| 21 | // RUN: otool -V -s __DATA __llvm_prf_names %t.lto | FileCheck %s -check-prefix=PRF_NAMES |
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| 22 | // RUN: otool -V -s __DATA __llvm_prf_cnts %t.lto | FileCheck %s -check-prefix=PRF_CNTS |
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| 23 | |
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| 24 | // Note: We expect foo() and some of the profiling data associated with it to |
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| 25 | // be dead-stripped. |
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| 26 | |
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| 27 | // Note: When there is no code in a program, we expect to see the exact same |
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| 28 | // set of external functions provided by the profile runtime. |
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| 29 | |
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| 30 | // RUN: %clang_profgen -fcoverage-mapping -Wl,-dead_strip -Wl,-sectalign,__DATA,__llvm_prf_cnts,0x1000 \ |
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| 31 | // RUN: -Wl,-sectalign,__DATA,__llvm_prf_data,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_bits,0x1000 -dynamiclib -o %t.nocode.dylib %s |
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| 32 | // RUN: nm -jgU %t.nocode.dylib > %t.nocode.syms |
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| 33 | // RUN: nm -jgU %t | sed -e '/_\{1,\}main/d' -e '/_\{1,\}mh_execute_header/d' > %t.code.syms |
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| 34 | // RUN: diff %t.nocode.syms %t.code.syms |
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| 35 | |
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| 36 | #ifdef CODE |
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| 37 | |
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| 38 | // COV: [[@LINE+1]]{{ *}}|{{ *}}0|void foo() |
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| 39 | void foo() {} |
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| 40 | |
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| 41 | // COV: [[@LINE+1]]{{ *}}|{{ *}}1|int main |
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| 42 | int main() { return 0; } |
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| 43 | |
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| 44 | #endif // CODE |
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| 45 | |
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| 46 | // NM-NOT: foo |
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| 47 | |
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| 48 | // PROF: Counters: |
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| 49 | // PROF-NEXT: main: |
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| 50 | // PROF-NEXT: Hash: |
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| 51 | // PROF-NEXT: Counters: 1 |
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| 52 | // PROF-NEXT: Function count: 1 |
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| 53 | // PROF-NEXT: Instrumentation level: Front-end |
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| 54 | // PROF-NEXT: Functions shown: 1 |
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| 55 | // PROF-NEXT: Total functions: 1 |
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| 56 | // PROF-NEXT: Maximum function count: 1 |
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| 57 | // PROF-NEXT: Maximum internal block count: 0 |
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| 58 | |
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| 59 | // Note: We don't expect the names of dead-stripped functions to disappear from |
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| 60 | // __llvm_prf_names, because collectPGOFuncNameStrings() glues the names |
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| 61 | // together. |
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| 62 | |
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| 63 | // PRF_NAMES: Contents of (__DATA,__llvm_prf_names) section |
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| 64 | // PRF_NAMES-NEXT: {{.*}} 08 00 66 6f 6f 01 6d 61 69 6e |
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| 65 | // | | f o o # m a i n |
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| 66 | // | |___________| |
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| 67 | // | | |
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| 68 | // UncompressedLen = 8 | |
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| 69 | // | |
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| 70 | // CompressedLen = 0 |
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| 71 | |
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| 72 | // Note: We expect the profile counters for dead-stripped functions to also be |
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| 73 | // dead-stripped. |
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| 74 | |
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| 75 | // PRF_CNTS: Contents of (__DATA,__llvm_prf_cnts) section |
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| 76 | // PRF_CNTS-NEXT: {{.*}} 00 00 00 00 00 00 00 00 |
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| 77 | |
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