llvm-project/clang/test/Profile/func-entry.c

20 lines
554 B
C

// Test that function entry counts are set correctly.
// RUN: llvm-profdata merge %S/Inputs/func-entry.proftext -o %t.profdata
// RUN: %clang %s -o - -mllvm -disable-llvm-optzns -emit-llvm -S -fprofile-instr-use=%t.profdata | FileCheck %s
void foo(void);
// CHECK: @foo() #0 !prof [[FOO:![0-9]+]]
void foo() { return; }
// CHECK: @main() #1 !prof [[MAIN:![0-9]+]]
int main() {
int i;
for (i = 0; i < 10000; i++) foo();
return 0;
}
// CHECK: [[FOO]] = !{!"function_entry_count", i64 1000}
// CHECK: [[MAIN]] = !{!"function_entry_count", i64 1}