llvm-project/clang/test/Frontend/optimization-remark-with-ho...

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// RUN: llvm-profdata merge \
// RUN: %S/Inputs/optimization-remark-with-hotness.proftext \
// RUN: -o %t.profdata
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
// RUN: optimization-remark-with-hotness.c %s -emit-llvm-only \
// RUN: -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
// RUN: -Rpass-analysis=inline -Rpass-missed=inline \
// RUN: -fdiagnostics-show-hotness -verify
// The clang version of the previous test.
// RUN: %clang -target x86_64-apple-macosx10.9 %s -c -emit-llvm -o /dev/null \
// RUN: -fprofile-instr-use=%t.profdata -Rpass=inline \
// RUN: -Rpass-analysis=inline -Rpass-missed=inline \
// RUN: -fdiagnostics-show-hotness -Xclang -verify
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
// RUN: optimization-remark-with-hotness.c %s -emit-llvm-only \
// RUN: -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
// RUN: -Rpass-analysis=inline 2>&1 | FileCheck -check-prefix=HOTNESS_OFF %s
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
// RUN: optimization-remark-with-hotness.c %s -emit-llvm-only \
// RUN: -fprofile-instrument-use-path=%t.profdata -Rpass=inline \
// RUN: -Rpass-analysis=inline -Rno-pass-with-hotness 2>&1 | FileCheck \
// RUN: -check-prefix=HOTNESS_OFF %s
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name \
// RUN: optimization-remark-with-hotness.c %s -emit-llvm-only \
// RUN: -Rpass=inline -Rpass-analysis=inline -fdiagnostics-show-hotness 2>&1 \
// RUN: | FileCheck -check-prefix=NO_PGO %s
int foo(int x, int y) __attribute__((always_inline));
int foo(int x, int y) { return x + y; }
int sum = 0;
void bar(int x) {
// HOTNESS_OFF: foo inlined into bar
// HOTNESS_OFF-NOT: hotness:
// NO_PGO: '-fdiagnostics-show-hotness' requires profile-guided optimization information
// expected-remark@+2 {{foo should always be inlined (cost=always) (hotness: 30)}}
// expected-remark@+1 {{foo inlined into bar (hotness: 30)}}
sum += foo(x, x - 2);
}
int main(int argc, const char *argv[]) {
for (int i = 0; i < 30; i++)
// expected-remark@+1 {{bar not inlined into main because it should never be inlined}}
bar(argc);
return sum;
}