42 lines · cpp
1// RUN: %clang_cc1 -std=c++2a -fblocks %s -triple %itanium_abi_triple -emit-llvm -o %t.ll2// RUN: FileCheck --input-file %t.ll %s3 4namespace test_func {5 6constexpr const char *test_default_arg(const char *f = __builtin_FUNCTION()) {7 return f;8}9// CHECK: @[[EMPTY_STR:.+]] = private unnamed_addr constant [1 x i8] zeroinitializer10 11// CHECK: @_ZN9test_func6globalE = {{(dso_local )?}}global ptr @[[EMPTY_STR]]12const char *global = test_default_arg();13 14// CHECK: @_ZN9test_func10global_twoE = {{(dso_local )?}}global ptr @[[EMPTY_STR]]15const char *global_two = __builtin_FUNCTION();16 17const char * const global_three = test_default_arg();18 19// CHECK: @[[STR_ONE:.+]] = private unnamed_addr constant [14 x i8] c"test_func_one\00"20// CHECK: @[[STR_TWO:.+]] = private unnamed_addr constant [14 x i8] c"test_func_two\00"21// CHECK: @[[STR_THREE:.+]] = private unnamed_addr constant [20 x i8] c"do_default_arg_test\00"22 23// CHECK: define {{(dso_local )?}}noundef ptr @_ZN9test_func13test_func_oneEv()24// CHECK: ret ptr @[[STR_ONE]]25const char *test_func_one() {26 return __builtin_FUNCTION();27}28 29// CHECK: define {{(dso_local )?}}noundef ptr @_ZN9test_func13test_func_twoEv()30// CHECK: ret ptr @[[STR_TWO]]31const char *test_func_two() {32 return __builtin_FUNCTION();33}34 35// CHECK: define {{(dso_local )?}}void @_ZN9test_func19do_default_arg_testEv()36// CHECK: %call = call noundef ptr @_ZN9test_func16test_default_argEPKc(ptr noundef @[[STR_THREE]])37void do_default_arg_test() {38 test_default_arg();39}40 41} // namespace test_func42