clang/test/CodeGen/X86/x86_64-instrument-functions.c

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions -O0 -o - -emit-llvm %s | FileCheck %s
   3 // RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions -O2 -o - -emit-llvm %s | FileCheck %s
   4 // RUN: %clang_cc1 -disable-llvm-passes -triple x86_64-unknown-unknown -finstrument-functions-after-inlining -O2 -o - -emit-llvm %s | FileCheck -check-prefix=NOINLINE %s
   5
   6 __attribute__((always_inline)) int leaf(int x) {
   7   return x;
   8 // CHECK-LABEL: define {{.*}} @leaf(i32 noundef %x) #0 {
   9 }
  10
  11 int root(int x) {
  12   return leaf(x);
  13 // CHECK-LABEL: define {{.*}} @root(i32 noundef %x) #1 {
  14 // NOINLINE-LABEL: define {{.*}} @root(i32 noundef %x) #1 {
  15 }
  16
  17 // CHECK: attributes #0 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit"
  18 // CHECK: attributes #1 = { {{.*}}"instrument-function-entry"="__cyg_profile_func_enter" "instrument-function-exit"="__cyg_profile_func_exit"
  19 // NOINLINE: attributes #0 = { {{.*}}"instrument-function-entry-inlined"="__cyg_profile_func_enter" "instrument-function-exit-inlined"="__cyg_profile_func_exit"
  20 // NOINLINE: attributes #1 = { {{.*}}"instrument-function-entry-inlined"="__cyg_profile_func_enter" "instrument-function-exit-inlined"="__cyg_profile_func_exit"