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      1 // RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fcoverage-mapping -Wl,--gc-sections -o %t %s
      2 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
      3 // RUN: llvm-profdata merge -o %t.profdata %t.profraw
      4 // RUN: llvm-cov show %t -instr-profile %t.profdata -filename-equivalence 2>&1 | FileCheck %s
      5 // BFD linker older than 2.26 has a bug that per-func profile data will be wrongly garbage collected when GC is turned on. We only do end-to-end test here without GC:
      6 // RUN: %clang_profgen -O2  -fcoverage-mapping  -o %t.2 %s
      7 // RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2
      8 // RUN: llvm-profdata merge -o %t.2.profdata %t.2.profraw
      9 // RUN: llvm-cov show %t.2 -instr-profile %t.2.profdata -filename-equivalence 2>&1 | FileCheck %s
     10 // Check covmap is not garbage collected when GC is turned on with BFD linker. Due to the bug mentioned above, we can only
     11 // do the check with objdump:
     12 // RUN: %clang_profgen -O2  -fcoverage-mapping -Wl,--gc-sections -o %t.3 %s
     13 // RUN: llvm-objdump -h %t.3 | FileCheck --check-prefix COVMAP %s
     14 // Check PIE option
     15 // RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fPIE -pie -fcoverage-mapping -Wl,--gc-sections -o %t.pie %s
     16 // RUN: env LLVM_PROFILE_FILE=%t.pie.profraw %run %t.pie
     17 // RUN: llvm-profdata merge -o %t.pie.profdata %t.pie.profraw
     18 // RUN: llvm-cov show %t.pie -instr-profile %t.pie.profdata -filename-equivalence 2>&1 | FileCheck %s
     19 
     20 void foo(bool cond) { // CHECK:  1| [[@LINE]]|void foo(
     21   if (cond) {         // CHECK:  1| [[@LINE]]|  if (cond) {
     22   }                   // CHECK:  0| [[@LINE]]|  }
     23 }                     // CHECK:  1| [[@LINE]]|}
     24 void bar() {          // CHECK:  1| [[@LINE]]|void bar() {
     25 }                     // CHECK:  1| [[@LINE]]|}
     26 void func() {         // CHECK:  0| [[@LINE]]|void func(
     27 }                     // CHECK:  0| [[@LINE]]|}
     28 int main() {          // CHECK:  1| [[@LINE]]|int main(
     29   foo(false);         // CHECK:  1| [[@LINE]]|  foo(
     30   bar();              // CHECK:  1| [[@LINE]]|  bar(
     31   return 0;           // CHECK:  1| [[@LINE]]|  return
     32 }                     // CHECK:  1| [[@LINE]]|}
     33 
     34 // COVMAP: __llvm_covmap {{.*}}
     35 
     36