clang/test/Frontend/remarks-hotness.cpp

   1 // Without hotness threshold, print both hot and cold remarks.
   2 // RUN: %clang_cc1 -triple x86_64-linux %s -emit-llvm-only -O3 \
   3 // RUN:     -fprofile-sample-use=%S/Inputs/remarks-hotness.prof \
   4 // RUN:     -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline \
   5 // RUN:     -fdiagnostics-show-hotness 2>&1 \
   6 // RUN:     | FileCheck -check-prefix=REMARKS %s
   7
   8 // With auto hotness threshold, only print hot remarks.
   9 // RUN: %clang_cc1 -triple x86_64-linux %s -emit-llvm-only -O3 \
  10 // RUN:     -fprofile-sample-use=%S/Inputs/remarks-hotness.prof \
  11 // RUN:     -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline \
  12 // RUN:     -fdiagnostics-show-hotness \
  13 // RUN:     -fdiagnostics-hotness-threshold=auto 2>&1 \
  14 // RUN:     | FileCheck -check-prefix=HOT_CALL %s
  15
  16 int callee1() {
  17   return 1;
  18 }
  19
  20 __attribute__((noinline)) int callee2() {
  21   return 2;
  22 }
  23
  24 // REMARKS: '_Z7callee1v' inlined into '_Z7caller1v'
  25 // HOT_CALL: '_Z7callee1v' inlined into '_Z7caller1v'
  26 int caller1() {
  27   return callee1();
  28 }
  29
  30 // REMARKS: '_Z7callee2v' not inlined into '_Z7caller2v'
  31 // HOT_CALL-NOT: '_Z7callee2v' not inlined into '_Z7caller2v'
  32 int caller2() {
  33   return callee2();
  34 }