xref: /aosp_15_r20/external/clang/test/Profile/func-entry.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // Test that function entry counts are set correctly.
2*67e74705SXin Li 
3*67e74705SXin Li // RUN: llvm-profdata merge %S/Inputs/func-entry.proftext -o %t.profdata
4*67e74705SXin Li // RUN: %clang_cc1 %s -o - -disable-llvm-optzns -emit-llvm -fprofile-instrument-use-path=%t.profdata | FileCheck %s
5*67e74705SXin Li 
6*67e74705SXin Li void foo(void);
7*67e74705SXin Li 
8*67e74705SXin Li // CHECK: @foo() #{{[0-9]}} !prof [[FOO:![0-9]+]]
foo()9*67e74705SXin Li void foo() { return; }
10*67e74705SXin Li 
11*67e74705SXin Li // CHECK: @main() #{{[0-9]}} !prof [[MAIN:![0-9]+]]
main()12*67e74705SXin Li int main() {
13*67e74705SXin Li   int i;
14*67e74705SXin Li   for (i = 0; i < 10000; i++) foo();
15*67e74705SXin Li   return 0;
16*67e74705SXin Li }
17*67e74705SXin Li 
18*67e74705SXin Li // CHECK: [[FOO]] = !{!"function_entry_count", i64 1000}
19*67e74705SXin Li // CHECK: [[MAIN]] = !{!"function_entry_count", i64 1}
20