clang/test/Frontend/optimization-remark-with-hotness-new-pm.c

   1 // This test is similar to Frontend/optimization-remark-with-hotness.c but
   2 // testing the output under the new pass manager. The inliner is not added to
   3 // the default new PM pipeline at O0, so we compile with optimizations here. As
   4 // a result, some of the remarks will be different since we turn on inlining,
   5 // but the test is meant to show that remarks get dumped. The remarks are also
   6 // slightly different in text.
   7
   8 // Generate instrumentation and sampling profile data.
   9 // RUN: llvm-profdata merge \
  10 // RUN:     %S/Inputs/optimization-remark-with-hotness.proftext \
  11 // RUN:     -o %t.profdata
  12 // RUN: llvm-profdata merge -sample \
  13 // RUN:     %S/Inputs/optimization-remark-with-hotness-sample.proftext \
  14 // RUN:     -o %t-sample.profdata
  15 //
  16 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  17 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  18 // RUN:     -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
  19 // RUN:     -O1 \
  20 // RUN:     -Rpass-analysis=inline -Rpass-missed=inline \
  21 // RUN:     -fdiagnostics-show-hotness -verify
  22 // The clang version of the previous test.
  23 // RUN: %clang -target x86_64-apple-macosx10.9 %s -c -emit-llvm -o /dev/null \
  24 // RUN:     -fprofile-instr-use=%t.profdata -Rpass=inline \
  25 // RUN:     -O1 \
  26 // RUN:     -Rpass-analysis=inline -Rpass-missed=inline \
  27 // RUN:     -fdiagnostics-show-hotness -Xclang -verify
  28 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  29 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  30 // RUN:     -fprofile-sample-use=%t-sample.profdata -Rpass=inline \
  31 // RUN:     -O1 \
  32 // RUN:     -Rpass-analysis=inline -Rpass-missed=inline \
  33 // RUN:     -fdiagnostics-show-hotness -fdiagnostics-hotness-threshold=10 \
  34 // RUN:     -verify
  35 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  36 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  37 // RUN:     -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
  38 // RUN:     -O1 \
  39 // RUN:     -Rpass-analysis=inline -Rpass-missed=inline \
  40 // RUN:     -fdiagnostics-show-hotness -fdiagnostics-hotness-threshold=10 -verify
  41 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  42 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  43 // RUN:     -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
  44 // RUN:     -O1 \
  45 // RUN:     -Rpass-analysis=inline 2>&1 | FileCheck -check-prefix=HOTNESS_OFF %s
  46 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  47 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  48 // RUN:     -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
  49 // RUN:     -O1 \
  50 // RUN:     -Rpass-analysis=inline -Rno-pass-with-hotness 2>&1 | FileCheck \
  51 // RUN:     -check-prefix=HOTNESS_OFF %s
  52 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  53 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  54 // RUN:     -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
  55 // RUN:     -Rpass-analysis=inline -fdiagnostics-show-hotness \
  56 // RUN:     -fdiagnostics-hotness-threshold=100  2>&1 \
  57 // RUN:     | FileCheck -allow-empty -check-prefix=THRESHOLD %s
  58 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
  59 // RUN:     optimization-remark-with-hotness.c %s -emit-llvm-only \
  60 // RUN:     -Rpass=inline -Rpass-analysis=inline \
  61 // RUN:     -fdiagnostics-show-hotness -fdiagnostics-hotness-threshold=10 2>&1 \
  62 // RUN:     | FileCheck -check-prefix=NO_PGO %s
  63
  64 int foo(int x, int y) __attribute__((always_inline));
  65 int foo(int x, int y) { return x + y; }
  66
  67 int sum = 0;
  68
  69 void bar(int x) {
  70   // HOTNESS_OFF: 'foo' inlined into 'bar'
  71   // HOTNESS_OFF-NOT: hotness:
  72   // THRESHOLD-NOT: inlined
  73   // THRESHOLD-NOT: hotness
  74   // NO_PGO: '-fdiagnostics-show-hotness' requires profile-guided optimization information
  75   // NO_PGO: '-fdiagnostics-hotness-threshold=' requires profile-guided optimization information
  76   // expected-remark@+1 {{'foo' inlined into 'bar' with (cost=always): always inline attribute at callsite bar:8:10; (hotness:}}
  77   sum += foo(x, x - 2);
  78 }
  79
  80 int main(int argc, const char *argv[]) {
  81   for (int i = 0; i < 30; i++)
  82     // expected-remark@+1 {{'bar' inlined into 'main' with}}
  83     bar(argc);
  84   return sum;
  85 }