diff options
| -rw-r--r-- | test/profile/instrprof-reset-counters.c | 19 | ||||
| -rw-r--r-- | test/profile/instrprof-set-filename.c | 14 | ||||
| -rw-r--r-- | test/profile/instrprof-without-libc.c | 61 | ||||
| -rw-r--r-- | test/profile/instrprof-write-file-atexit-explicitly.c | 17 | ||||
| -rw-r--r-- | test/profile/instrprof-write-file-only.c | 30 | ||||
| -rw-r--r-- | test/profile/instrprof-write-file.c | 34 |
6 files changed, 175 insertions, 0 deletions
diff --git a/test/profile/instrprof-reset-counters.c b/test/profile/instrprof-reset-counters.c new file mode 100644 index 000000000..c92732baf --- /dev/null +++ b/test/profile/instrprof-reset-counters.c @@ -0,0 +1,19 @@ +// RUN: %clang_profgen -o %t -O3 %s +// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s + +void __llvm_profile_reset_counters(void); +void foo(int); +int main(void) { + foo(0); + __llvm_profile_reset_counters(); + foo(1); + return 0; +} +void foo(int N) { + // CHECK-LABEL: define void @foo( + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof ![[FOO:[0-9]+]] + if (N) {} +} +// CHECK: ![[FOO]] = metadata !{metadata !"branch_weights", i32 2, i32 1} diff --git a/test/profile/instrprof-set-filename.c b/test/profile/instrprof-set-filename.c new file mode 100644 index 000000000..51de14f61 --- /dev/null +++ b/test/profile/instrprof-set-filename.c @@ -0,0 +1,14 @@ +// RUN: %clang_profgen -o %t -O3 %s +// RUN: %run %t %t.profraw +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s + +void __llvm_profile_set_filename(const char *); +int main(int argc, const char *argv[]) { + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 + if (argc < 2) + return 1; + __llvm_profile_set_filename(argv[1]); + return 0; +} +// CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} diff --git a/test/profile/instrprof-without-libc.c b/test/profile/instrprof-without-libc.c new file mode 100644 index 000000000..3657af24a --- /dev/null +++ b/test/profile/instrprof-without-libc.c @@ -0,0 +1,61 @@ +// RUN: %clang_profgen -DCHECK_SYMBOLS -O3 -o %t.symbols %s +// RUN: llvm-nm %t.symbols | FileCheck %s --check-prefix=CHECK-SYMBOLS +// RUN: %clang_profgen -O3 -o %t %s +// RUN: %run %t %t.profraw +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s + +#include <stdint.h> +#include <stdlib.h> + +#ifndef CHECK_SYMBOLS +#include <stdio.h> +#endif + +int __llvm_profile_runtime = 0; +uint64_t __llvm_profile_get_size_for_buffer(void); +int __llvm_profile_write_buffer(char *); +int write_buffer(uint64_t, const char *); +int main(int argc, const char *argv[]) { + // CHECK-LABEL: define i32 @main( + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 + if (argc < 2) + return 1; + + const uint64_t MaxSize = 10000; + static char Buffer[MaxSize]; + + uint64_t Size = __llvm_profile_get_size_for_buffer(); + if (Size > MaxSize) + return 1; + int Write = __llvm_profile_write_buffer(Buffer); + if (__llvm_profile_write_buffer(Buffer)) + return Write; + +#ifdef CHECK_SYMBOLS + // Don't write it out. Since we're checking the symbols, we don't have libc + // available. + return 0; +#else + // Actually write it out so we can FileCheck the output. + FILE *File = fopen(argv[1], "w"); + if (!File) + return 1; + if (fwrite(Buffer, 1, Size, File) != Size) + return 1; + return fclose(File); +#endif +} +// CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} + +// CHECK-SYMBOLS-NOT: GLOBAL +// CHECK-SYMBOLS-NOT: ___cxx_global_var_init +// CHECK-SYMBOLS-NOT: ___llvm_profile_register_write_file_atexit +// CHECK-SYMBOLS-NOT: ___llvm_profile_set_filename +// CHECK-SYMBOLS-NOT: ___llvm_profile_write_file +// CHECK-SYMBOLS-NOT: _fdopen +// CHECK-SYMBOLS-NOT: _fopen +// CHECK-SYMBOLS-NOT: _fwrite +// CHECK-SYMBOLS-NOT: _getenv +// CHECK-SYMBOLS-NOT: _malloc +// CHECK-SYMBOLS-NOT: _open diff --git a/test/profile/instrprof-write-file-atexit-explicitly.c b/test/profile/instrprof-write-file-atexit-explicitly.c new file mode 100644 index 000000000..931a48b24 --- /dev/null +++ b/test/profile/instrprof-write-file-atexit-explicitly.c @@ -0,0 +1,17 @@ +// RUN: %clang_profgen -o %t -O3 %s +// RUN: %run %t %t.profraw +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s + +int __llvm_profile_runtime = 0; +int __llvm_profile_register_write_file_atexit(void); +void __llvm_profile_set_filename(const char *); +int main(int argc, const char *argv[]) { + __llvm_profile_register_write_file_atexit(); + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 + if (argc < 2) + return 1; + __llvm_profile_set_filename(argv[1]); + return 0; +} +// CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} diff --git a/test/profile/instrprof-write-file-only.c b/test/profile/instrprof-write-file-only.c new file mode 100644 index 000000000..b9a1be4c0 --- /dev/null +++ b/test/profile/instrprof-write-file-only.c @@ -0,0 +1,30 @@ +// RUN: %clang_profgen -o %t -O3 %s +// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t +// RUN: llvm-profdata merge -o %t.profdata %t.profraw +// RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s + +int __llvm_profile_runtime = 0; +int __llvm_profile_write_file(void); +void __llvm_profile_set_filename(const char *); +int foo(int); +int main(int argc, const char *argv[]) { + // CHECK-LABEL: define i32 @main + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 + if (argc > 1) + return 1; + + // Write out the profile. + __llvm_profile_write_file(); + + // Change the profile. + return foo(0); +} +int foo(int X) { + // There should be no profiling information for @foo, since it was called + // after the profile was written (and the atexit was supressed by defining + // profile_runtime). + // CHECK-LABEL: define i32 @foo + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{[^,]+$}} + return X <= 0 ? -X : X; +} +// CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} diff --git a/test/profile/instrprof-write-file.c b/test/profile/instrprof-write-file.c new file mode 100644 index 000000000..f5c2958e5 --- /dev/null +++ b/test/profile/instrprof-write-file.c @@ -0,0 +1,34 @@ +// RUN: %clang_profgen -o %t -O3 %s +// RUN: env LLVM_PROFILE_FILE=%t1.profraw %run %t %t2.profraw +// RUN: llvm-profdata merge -o %t1.profdata %t1.profraw +// RUN: %clang_profuse=%t1.profdata -o - -S -emit-llvm %s | FileCheck %s --check-prefix=CHECK1 --check-prefix=CHECK +// RUN: llvm-profdata merge -o %t2.profdata %t2.profraw +// RUN: %clang_profuse=%t2.profdata -o - -S -emit-llvm %s | FileCheck %s --check-prefix=CHECK2 --check-prefix=CHECK + +int __llvm_profile_write_file(void); +void __llvm_profile_set_filename(const char *); +int foo(int); +int main(int argc, const char *argv[]) { + // CHECK-LABEL: define i32 @main + // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 + if (argc < 2) + return 1; + + // Write out the profile. + __llvm_profile_write_file(); + + // Change the profile. + int Ret = foo(0); + + // It'll write out again at exit; change the filename so we get two files. + __llvm_profile_set_filename(argv[1]); + return Ret; +} +int foo(int X) { + // CHECK-LABEL: define i32 @foo + // CHECK1: br i1 %{{.*}}, label %{{.*}}, label %{{[^,]+$}} + // CHECK2: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !2 + return X <= 0 ? -X : X; +} +// CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} +// CHECK2: !2 = metadata !{metadata !"branch_weights", i32 2, i32 1} |