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