20 lines · c
1// Test that function entry counts are set correctly.2 3// RUN: llvm-profdata merge %S/Inputs/func-entry.proftext -o %t.profdata4// RUN: %clang_cc1 %s -o - -disable-llvm-passes -emit-llvm -fprofile-instrument-use=clang -fprofile-instrument-use-path=%t.profdata | FileCheck %s5 6void foo(void);7 8// CHECK: @foo() #{{[0-9]}} !prof [[FOO:![0-9]+]]9void foo() { return; }10 11// CHECK: @main() #{{[0-9]}} !prof [[MAIN:![0-9]+]]12int main() {13 int i;14 for (i = 0; i < 10000; i++) foo();15 return 0;16}17 18// CHECK: [[FOO]] = !{!"function_entry_count", i64 1000}19// CHECK: [[MAIN]] = !{!"function_entry_count", i64 1}20