| // RUN: %clang_pgogen -mllvm -pgo-function-entry-coverage %s -o %t.out |
| // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.out |
| // RUN: llvm-profdata merge -o %t.profdata %t.profraw |
| // RUN: llvm-profdata show --covered %t.profdata | FileCheck %s --implicit-check-not goo |
| |
| // We deliberately merge the raw profile twice to test that internal counts can |
| // grow larger than one. Technically, accumulating coverage values is different |
| // than accumulating counts, but this helps discriminate cold functions from hot |
| // functions when the number of raw profiles is large. |
| // RUN: llvm-profdata merge -o %t2.profdata %t.profraw %t.profraw |
| // RUN: llvm-profdata show %t2.profdata | FileCheck %s --check-prefix=COUNTS |
| |
| // RUN: %clang_cspgogen -O1 -mllvm -pgo-function-entry-coverage %s -o %t.cs.out |
| // RUN: env LLVM_PROFILE_FILE=%t.csprofraw %run %t.cs.out |
| // RUN: llvm-profdata merge -o %t.csprofdata %t.csprofraw |
| // RUN: llvm-profdata show --covered %t.csprofdata --showcs | FileCheck %s --implicit-check-not goo |
| // RUN: llvm-profdata merge -o %t2.csprofdata %t.csprofraw %t.csprofraw |
| // RUN: llvm-profdata show --showcs %t2.csprofdata | FileCheck %s --check-prefix=COUNTS |
| |
| void markUsed(int a) { |
| volatile int g; |
| g = a; |
| } |
| |
| __attribute__((noinline)) int foo(int i) { return 4 * i + 1; } |
| __attribute__((noinline)) int bar(int i) { return 4 * i + 2; } |
| __attribute__((noinline)) int goo(int i) { return 4 * i + 3; } |
| |
| int main(int argc, char *argv[]) { |
| markUsed(foo(5)); |
| markUsed(argc ? bar(6) : goo(7)); |
| return 0; |
| } |
| |
| // CHECK-DAG: main |
| // CHECK-DAG: foo |
| // CHECK-DAG: bar |
| |
| // COUNTS: Maximum function count: 2 |
