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1// REQUIRES: osx-ld64-live_support2// REQUIRES: lto3 4// RUN: %clang_profgen=%t.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip \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 %s6// RUN: %run %t7// RUN: llvm-profdata merge -o %t.profdata %t.profraw8// RUN: llvm-profdata show --all-functions %t.profdata | FileCheck %s -check-prefix=PROF9// RUN: llvm-cov show %t -instr-profile %t.profdata | FileCheck %s -check-prefix=COV10// RUN: nm %t | FileCheck %s -check-prefix=NM11// RUN: otool -V -s __DATA __llvm_prf_names %t | FileCheck %s -check-prefix=PRF_NAMES12// RUN: otool -V -s __DATA __llvm_prf_cnts %t | FileCheck %s -check-prefix=PRF_CNTS13 14// RUN: %clang_lto_profgen=%t.lto.profraw -fcoverage-mapping -mllvm -enable-name-compression=false -DCODE=1 -Wl,-dead_strip -Wl,-w -flto \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 %s16// RUN: %run %t.lto17// RUN: llvm-profdata merge -o %t.lto.profdata %t.lto.profraw18// RUN: llvm-profdata show --all-functions %t.lto.profdata | FileCheck %s -check-prefix=PROF19// RUN: llvm-cov show %t.lto -instr-profile %t.lto.profdata | FileCheck %s -check-prefix=COV20// RUN: nm %t.lto | FileCheck %s -check-prefix=NM21// RUN: otool -V -s __DATA __llvm_prf_names %t.lto | FileCheck %s -check-prefix=PRF_NAMES22// RUN: otool -V -s __DATA __llvm_prf_cnts %t.lto | FileCheck %s -check-prefix=PRF_CNTS23 24// Note: We expect foo() and some of the profiling data associated with it to25// be dead-stripped.26 27// Note: When there is no code in a program, we expect to see the exact same28// set of external functions provided by the profile runtime.29 30// RUN: %clang_profgen -fcoverage-mapping -Wl,-dead_strip -Wl,-sectalign,__DATA,__llvm_prf_cnts,0x1000 \31// RUN: -Wl,-sectalign,__DATA,__llvm_prf_data,0x1000 -Wl,-sectalign,__DATA,__llvm_prf_bits,0x1000 -dynamiclib -o %t.nocode.dylib %s32// RUN: nm -jgU %t.nocode.dylib > %t.nocode.syms33// RUN: nm -jgU %t | sed -e '/_\{1,\}main/d' -e '/_\{1,\}mh_execute_header/d' > %t.code.syms34// RUN: diff %t.nocode.syms %t.code.syms35 36#ifdef CODE37 38// COV: [[@LINE+1]]{{ *}}|{{ *}}0|void foo()39void foo() {}40 41// COV: [[@LINE+1]]{{ *}}|{{ *}}1|int main42int main() { return 0; }43 44#endif // CODE45 46// NM-NOT: foo47 48// PROF: Counters:49// PROF-NEXT: main:50// PROF-NEXT: Hash:51// PROF-NEXT: Counters: 152// PROF-NEXT: Function count: 153// PROF-NEXT: Instrumentation level: Front-end54// PROF-NEXT: Functions shown: 155// PROF-NEXT: Total functions: 156// PROF-NEXT: Maximum function count: 157// PROF-NEXT: Maximum internal block count: 058 59// Note: We don't expect the names of dead-stripped functions to disappear from60// __llvm_prf_names, because collectPGOFuncNameStrings() glues the names61// together.62 63// PRF_NAMES: Contents of (__DATA,__llvm_prf_names) section64// PRF_NAMES-NEXT: {{.*}} 08 00 66 6f 6f 01 6d 61 69 6e65// | | f o o # m a i n66// | |___________|67// | |68// UncompressedLen = 8 |69// |70// CompressedLen = 071 72// Note: We expect the profile counters for dead-stripped functions to also be73// dead-stripped.74 75// PRF_CNTS: Contents of (__DATA,__llvm_prf_cnts) section76// PRF_CNTS-NEXT: {{.*}} 00 00 00 00 00 00 00 0077