| 1 | // RUN: %clang_pgogen -mllvm -pgo-function-entry-coverage %s -o %t.out |
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| 2 | // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t.out |
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| 3 | // RUN: llvm-profdata merge -o %t.profdata %t.profraw |
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| 4 | // RUN: llvm-profdata show --covered %t.profdata | FileCheck %s --implicit-check-not goo |
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| 5 | |
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| 6 | // We deliberately merge the raw profile twice to test that internal counts can |
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| 7 | // grow larger than one. Technically, accumulating coverage values is different |
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| 8 | // than accumulating counts, but this helps discriminate cold functions from hot |
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| 9 | // functions when the number of raw profiles is large. |
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| 10 | // RUN: llvm-profdata merge -o %t2.profdata %t.profraw %t.profraw |
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| 11 | // RUN: llvm-profdata show %t2.profdata | FileCheck %s --check-prefix=COUNTS |
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| 12 | |
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| 13 | // RUN: %clang_cspgogen -O1 -mllvm -pgo-function-entry-coverage %s -o %t.cs.out |
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| 14 | // RUN: env LLVM_PROFILE_FILE=%t.csprofraw %run %t.cs.out |
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| 15 | // RUN: llvm-profdata merge -o %t.csprofdata %t.csprofraw |
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| 16 | // RUN: llvm-profdata show --covered %t.csprofdata --showcs | FileCheck %s --implicit-check-not goo |
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| 17 | // RUN: llvm-profdata merge -o %t2.csprofdata %t.csprofraw %t.csprofraw |
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| 18 | // RUN: llvm-profdata show --showcs %t2.csprofdata | FileCheck %s --check-prefix=COUNTS |
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| 19 | |
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| 20 | void markUsed(int a) { |
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| 21 | volatile int g; |
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| 22 | g = a; |
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| 23 | } |
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| 24 | |
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| 25 | __attribute__((noinline)) int foo(int i) { return 4 * i + 1; } |
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| 26 | __attribute__((noinline)) int bar(int i) { return 4 * i + 2; } |
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| 27 | __attribute__((noinline)) int goo(int i) { return 4 * i + 3; } |
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| 28 | |
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| 29 | int main(int argc, char *argv[]) { |
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| 30 | markUsed(a: foo(i: 5)); |
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| 31 | markUsed(a: argc ? bar(i: 6) : goo(i: 7)); |
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| 32 | return 0; |
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| 33 | } |
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| 34 | |
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| 35 | // CHECK-DAG: main |
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| 36 | // CHECK-DAG: foo |
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| 37 | // CHECK-DAG: bar |
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| 38 | |
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| 39 | // COUNTS: Maximum function count: 2 |
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| 40 | |
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