1*0a6a1f1dSLionel Sambuc // RUN: %clang_profgen -o %t -O3 %s 2*0a6a1f1dSLionel Sambuc // RUN: %run %t %t.profraw 3*0a6a1f1dSLionel Sambuc // RUN: llvm-profdata merge -o %t.profdata %t.profraw 4*0a6a1f1dSLionel Sambuc // RUN: %clang_profuse=%t.profdata -o - -S -emit-llvm %s | FileCheck %s 5*0a6a1f1dSLionel Sambuc 6*0a6a1f1dSLionel Sambuc int __llvm_profile_runtime = 0; 7*0a6a1f1dSLionel Sambuc int __llvm_profile_register_write_file_atexit(void); 8*0a6a1f1dSLionel Sambuc void __llvm_profile_set_filename(const char *); main(int argc,const char * argv[])9*0a6a1f1dSLionel Sambucint main(int argc, const char *argv[]) { 10*0a6a1f1dSLionel Sambuc __llvm_profile_register_write_file_atexit(); 11*0a6a1f1dSLionel Sambuc // CHECK: br i1 %{{.*}}, label %{{.*}}, label %{{.*}}, !prof !1 12*0a6a1f1dSLionel Sambuc if (argc < 2) 13*0a6a1f1dSLionel Sambuc return 1; 14*0a6a1f1dSLionel Sambuc __llvm_profile_set_filename(argv[1]); 15*0a6a1f1dSLionel Sambuc return 0; 16*0a6a1f1dSLionel Sambuc } 17*0a6a1f1dSLionel Sambuc // CHECK: !1 = metadata !{metadata !"branch_weights", i32 1, i32 2} 18