head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.4 netbsd-11-0-RC3:1.1.1.4 netbsd-11-0-RC2:1.1.1.4 netbsd-11-0-RC1:1.1.1.4 perseant-exfatfs-base-20250801:1.1.1.4 netbsd-11:1.1.1.4.0.10 netbsd-11-base:1.1.1.4 netbsd-10-1-RELEASE:1.1.1.4 perseant-exfatfs-base-20240630:1.1.1.4 perseant-exfatfs:1.1.1.4.0.8 perseant-exfatfs-base:1.1.1.4 netbsd-8-3-RELEASE:1.1.1.2 netbsd-9-4-RELEASE:1.1.1.3 netbsd-10-0-RELEASE:1.1.1.4 netbsd-10-0-RC6:1.1.1.4 netbsd-10-0-RC5:1.1.1.4 netbsd-10-0-RC4:1.1.1.4 netbsd-10-0-RC3:1.1.1.4 netbsd-10-0-RC2:1.1.1.4 netbsd-10-0-RC1:1.1.1.4 netbsd-10:1.1.1.4.0.6 netbsd-10-base:1.1.1.4 netbsd-9-3-RELEASE:1.1.1.3 cjep_sun2x:1.1.1.4.0.4 cjep_sun2x-base:1.1.1.4 cjep_staticlib_x-base1:1.1.1.4 netbsd-9-2-RELEASE:1.1.1.3 cjep_staticlib_x:1.1.1.4.0.2 cjep_staticlib_x-base:1.1.1.4 netbsd-9-1-RELEASE:1.1.1.3 phil-wifi-20200421:1.1.1.4 phil-wifi-20200411:1.1.1.4 phil-wifi-20200406:1.1.1.4 netbsd-8-2-RELEASE:1.1.1.2 netbsd-9-0-RELEASE:1.1.1.3 netbsd-9-0-RC2:1.1.1.3 netbsd-9-0-RC1:1.1.1.3 netbsd-9:1.1.1.3.0.2 netbsd-9-base:1.1.1.3 phil-wifi-20190609:1.1.1.3 netbsd-8-1-RELEASE:1.1.1.2 netbsd-8-1-RC1:1.1.1.2 pgoyette-compat-merge-20190127:1.1.1.2.28.1 pgoyette-compat-20190127:1.1.1.3 pgoyette-compat-20190118:1.1.1.3 pgoyette-compat-1226:1.1.1.3 pgoyette-compat-1126:1.1.1.3 pgoyette-compat-1020:1.1.1.3 pgoyette-compat-0930:1.1.1.3 pgoyette-compat-0906:1.1.1.3 netbsd-7-2-RELEASE:1.1.1.2 pgoyette-compat-0728:1.1.1.3 clang-337282:1.1.1.3 netbsd-8-0-RELEASE:1.1.1.2 phil-wifi:1.1.1.2.0.30 phil-wifi-base:1.1.1.2 pgoyette-compat-0625:1.1.1.2 netbsd-8-0-RC2:1.1.1.2 pgoyette-compat-0521:1.1.1.2 pgoyette-compat-0502:1.1.1.2 pgoyette-compat-0422:1.1.1.2 netbsd-8-0-RC1:1.1.1.2 pgoyette-compat-0415:1.1.1.2 pgoyette-compat-0407:1.1.1.2 pgoyette-compat-0330:1.1.1.2 pgoyette-compat-0322:1.1.1.2 pgoyette-compat-0315:1.1.1.2 netbsd-7-1-2-RELEASE:1.1.1.2 pgoyette-compat:1.1.1.2.0.28 pgoyette-compat-base:1.1.1.2 netbsd-7-1-1-RELEASE:1.1.1.2 clang-319952:1.1.1.2 matt-nb8-mediatek:1.1.1.2.0.26 matt-nb8-mediatek-base:1.1.1.2 clang-309604:1.1.1.2 perseant-stdc-iso10646:1.1.1.2.0.24 perseant-stdc-iso10646-base:1.1.1.2 netbsd-8:1.1.1.2.0.22 netbsd-8-base:1.1.1.2 prg-localcount2-base3:1.1.1.2 prg-localcount2-base2:1.1.1.2 prg-localcount2-base1:1.1.1.2 prg-localcount2:1.1.1.2.0.20 prg-localcount2-base:1.1.1.2 pgoyette-localcount-20170426:1.1.1.2 bouyer-socketcan-base1:1.1.1.2 pgoyette-localcount-20170320:1.1.1.2 netbsd-7-1:1.1.1.2.0.18 netbsd-7-1-RELEASE:1.1.1.2 netbsd-7-1-RC2:1.1.1.2 clang-294123:1.1.1.2 netbsd-7-nhusb-base-20170116:1.1.1.2 bouyer-socketcan:1.1.1.2.0.16 bouyer-socketcan-base:1.1.1.2 clang-291444:1.1.1.2 pgoyette-localcount-20170107:1.1.1.2 netbsd-7-1-RC1:1.1.1.2 pgoyette-localcount-20161104:1.1.1.2 netbsd-7-0-2-RELEASE:1.1.1.2 localcount-20160914:1.1.1.2 netbsd-7-nhusb:1.1.1.2.0.14 netbsd-7-nhusb-base:1.1.1.2 clang-280599:1.1.1.2 pgoyette-localcount-20160806:1.1.1.2 pgoyette-localcount-20160726:1.1.1.2 pgoyette-localcount:1.1.1.2.0.12 pgoyette-localcount-base:1.1.1.2 netbsd-7-0-1-RELEASE:1.1.1.2 clang-261930:1.1.1.2 netbsd-7-0:1.1.1.2.0.10 netbsd-7-0-RELEASE:1.1.1.2 netbsd-7-0-RC3:1.1.1.2 netbsd-7-0-RC2:1.1.1.2 netbsd-7-0-RC1:1.1.1.2 clang-237755:1.1.1.2 clang-232565:1.1.1.2 clang-227398:1.1.1.2 tls-maxphys-base:1.1.1.2 tls-maxphys:1.1.1.2.0.8 netbsd-7:1.1.1.2.0.6 netbsd-7-base:1.1.1.2 clang-215315:1.1.1.2 clang-209886:1.1.1.2 yamt-pagecache:1.1.1.2.0.4 yamt-pagecache-base9:1.1.1.2 tls-earlyentropy:1.1.1.2.0.2 tls-earlyentropy-base:1.1.1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.2 riastradh-drm2-base3:1.1.1.2 clang-202566:1.1.1.2 clang-201163:1.1.1.2 clang-199312:1.1.1.2 clang-198450:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2014.01.05.15.40.34; author joerg; state Exp; branches 1.1.1.1; next ; commitid wh3aCSIWykURqWjx; 1.1.1.1 date 2014.01.05.15.40.34; author joerg; state Exp; branches; next 1.1.1.2; commitid wh3aCSIWykURqWjx; 1.1.1.2 date 2014.01.15.21.26.05; author joerg; state Exp; branches 1.1.1.2.4.1 1.1.1.2.8.1 1.1.1.2.28.1 1.1.1.2.30.1; next 1.1.1.3; commitid NQXlzzA0SPkc5glx; 1.1.1.3 date 2018.07.17.18.31.35; author joerg; state Exp; branches; next 1.1.1.4; commitid wDzL46ALjrCZgwKA; 1.1.1.4 date 2019.11.13.22.22.56; author joerg; state dead; branches; next ; commitid QD8YATxuNG34YJKB; 1.1.1.2.4.1 date 2014.01.15.21.26.05; author yamt; state dead; branches; next 1.1.1.2.4.2; commitid WSrDtL5nYAUyiyBx; 1.1.1.2.4.2 date 2014.05.22.16.19.41; author yamt; state Exp; branches; next ; commitid WSrDtL5nYAUyiyBx; 1.1.1.2.8.1 date 2014.01.15.21.26.05; author tls; state dead; branches; next 1.1.1.2.8.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.8.2 date 2014.08.19.23.49.20; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.28.1 date 2018.07.28.04.34.12; author pgoyette; state Exp; branches; next ; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.2.30.1 date 2019.06.10.21.46.36; author christos; state Exp; branches; next 1.1.1.2.30.2; commitid jtc8rnCzWiEEHGqB; 1.1.1.2.30.2 date 2020.04.13.07.50.23; author martin; state dead; branches; next ; commitid X01YhRUPVUDaec4C; desc @@ 1.1 log @Initial revision @ text @// RUN: %clang_cc1 %s -fsyntax-only -verify -Winfinite-recursion void a() { // expected-warning{{call itself}} a(); } void b(int x) { // expected-warning{{call itself}} if (x) b(x); else b(x+1); } void c(int x) { if (x) c(5); } void d(int x) { // expected-warning{{call itself}} if (x) ++x; return d(x); } // Doesn't warn on mutually recursive functions void e(); void f(); void e() { f(); } void f() { e(); } // Don't warn on infinite loops void g() { while (true) g(); g(); } void h(int x) { while (x < 5) { h(x+1); } } void i(int x) { // expected-warning{{call itself}} while (x < 5) { --x; } i(0); } int j() { // expected-warning{{call itself}} return 5 + j(); } class S { static void a(); void b(); }; void S::a() { // expected-warning{{call itself}} return a(); } void S::b() { // expected-warning{{call itself}} int i = 0; do { ++i; b(); } while (i > 5); } template struct T { member m; void a() { return a(); } // expected-warning{{call itself}} static void b() { return b(); } // expected-warning{{call itself}} }; void test_T() { T foo; foo.a(); // expected-note{{in instantiation}} foo.b(); // expected-note{{in instantiation}} } class U { U* u; void Fun() { // expected-warning{{call itself}} u->Fun(); } }; // No warnings on templated functions // sum<0>() is instantiated, does recursively call itself, but never runs. template int sum() { return value + sum(); } template<> int sum<1>() { return 1; } template int calculate_value() { if (x != y) return sum(); // This instantiates sum<0>() even if never called. else return 0; } int value = calculate_value<1,1>(); void DoSomethingHere(); // DoStuff<0,0>() is instantiated, but never called. template int DoStuff() { if (First + 1 == Last) { // This branch gets removed during <0, 0> instantiation in so CFG for this // function goes straight to the else branch. DoSomethingHere(); } else { DoStuff(); DoStuff<(First + Last)/2, Last>(); } return 0; } int stuff = DoStuff<0, 1>(); @ 1.1.1.1 log @Import clang 3.5svn r198450. @ text @@ 1.1.1.2 log @Import Clang 3.5svn r199312 @ text @a129 23 template struct Wrapper { static int run() { // Similar to the above, Wrapper<0>::run() will discard the if statement. if (x == 1) return 0; return Wrapper::run(); } static int run2() { // expected-warning{{call itself}} return run2(); } }; template int test_wrapper() { if (x != 0) return Wrapper::run() + Wrapper::run2(); // expected-note{{instantiation}} return 0; } int wrapper_sum = test_wrapper<2>(); // expected-note{{instantiation}} @ 1.1.1.2.30.1 log @Sync with HEAD @ text @d32 2 a33 1 void g() { // expected-warning{{call itself}} a56 13 void k() { // expected-warning{{call itself}} while(true) { k(); } } // Don't warn on infinite loops void l() { while (true) {} l(); } @ 1.1.1.2.30.2 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.2.28.1 log @Sync with HEAD @ text @d32 2 a33 1 void g() { // expected-warning{{call itself}} a56 13 void k() { // expected-warning{{call itself}} while(true) { k(); } } // Don't warn on infinite loops void l() { while (true) {} l(); } @ 1.1.1.3 log @Import clang r337282 from trunk @ text @d32 2 a33 1 void g() { // expected-warning{{call itself}} a56 13 void k() { // expected-warning{{call itself}} while(true) { k(); } } // Don't warn on infinite loops void l() { while (true) {} l(); } @ 1.1.1.4 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.2.8.1 log @file warn-infinite-recursion.cpp was added on branch tls-maxphys on 2014-08-19 23:49:20 +0000 @ text @d1 152 @ 1.1.1.2.8.2 log @Rebase to HEAD as of a few days ago. @ text @a0 152 // RUN: %clang_cc1 %s -fsyntax-only -verify -Winfinite-recursion void a() { // expected-warning{{call itself}} a(); } void b(int x) { // expected-warning{{call itself}} if (x) b(x); else b(x+1); } void c(int x) { if (x) c(5); } void d(int x) { // expected-warning{{call itself}} if (x) ++x; return d(x); } // Doesn't warn on mutually recursive functions void e(); void f(); void e() { f(); } void f() { e(); } // Don't warn on infinite loops void g() { while (true) g(); g(); } void h(int x) { while (x < 5) { h(x+1); } } void i(int x) { // expected-warning{{call itself}} while (x < 5) { --x; } i(0); } int j() { // expected-warning{{call itself}} return 5 + j(); } class S { static void a(); void b(); }; void S::a() { // expected-warning{{call itself}} return a(); } void S::b() { // expected-warning{{call itself}} int i = 0; do { ++i; b(); } while (i > 5); } template struct T { member m; void a() { return a(); } // expected-warning{{call itself}} static void b() { return b(); } // expected-warning{{call itself}} }; void test_T() { T foo; foo.a(); // expected-note{{in instantiation}} foo.b(); // expected-note{{in instantiation}} } class U { U* u; void Fun() { // expected-warning{{call itself}} u->Fun(); } }; // No warnings on templated functions // sum<0>() is instantiated, does recursively call itself, but never runs. template int sum() { return value + sum(); } template<> int sum<1>() { return 1; } template int calculate_value() { if (x != y) return sum(); // This instantiates sum<0>() even if never called. else return 0; } int value = calculate_value<1,1>(); void DoSomethingHere(); // DoStuff<0,0>() is instantiated, but never called. template int DoStuff() { if (First + 1 == Last) { // This branch gets removed during <0, 0> instantiation in so CFG for this // function goes straight to the else branch. DoSomethingHere(); } else { DoStuff(); DoStuff<(First + Last)/2, Last>(); } return 0; } int stuff = DoStuff<0, 1>(); template struct Wrapper { static int run() { // Similar to the above, Wrapper<0>::run() will discard the if statement. if (x == 1) return 0; return Wrapper::run(); } static int run2() { // expected-warning{{call itself}} return run2(); } }; template int test_wrapper() { if (x != 0) return Wrapper::run() + Wrapper::run2(); // expected-note{{instantiation}} return 0; } int wrapper_sum = test_wrapper<2>(); // expected-note{{instantiation}} @ 1.1.1.2.4.1 log @file warn-infinite-recursion.cpp was added on branch yamt-pagecache on 2014-05-22 16:19:41 +0000 @ text @d1 152 @ 1.1.1.2.4.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 152 // RUN: %clang_cc1 %s -fsyntax-only -verify -Winfinite-recursion void a() { // expected-warning{{call itself}} a(); } void b(int x) { // expected-warning{{call itself}} if (x) b(x); else b(x+1); } void c(int x) { if (x) c(5); } void d(int x) { // expected-warning{{call itself}} if (x) ++x; return d(x); } // Doesn't warn on mutually recursive functions void e(); void f(); void e() { f(); } void f() { e(); } // Don't warn on infinite loops void g() { while (true) g(); g(); } void h(int x) { while (x < 5) { h(x+1); } } void i(int x) { // expected-warning{{call itself}} while (x < 5) { --x; } i(0); } int j() { // expected-warning{{call itself}} return 5 + j(); } class S { static void a(); void b(); }; void S::a() { // expected-warning{{call itself}} return a(); } void S::b() { // expected-warning{{call itself}} int i = 0; do { ++i; b(); } while (i > 5); } template struct T { member m; void a() { return a(); } // expected-warning{{call itself}} static void b() { return b(); } // expected-warning{{call itself}} }; void test_T() { T foo; foo.a(); // expected-note{{in instantiation}} foo.b(); // expected-note{{in instantiation}} } class U { U* u; void Fun() { // expected-warning{{call itself}} u->Fun(); } }; // No warnings on templated functions // sum<0>() is instantiated, does recursively call itself, but never runs. template int sum() { return value + sum(); } template<> int sum<1>() { return 1; } template int calculate_value() { if (x != y) return sum(); // This instantiates sum<0>() even if never called. else return 0; } int value = calculate_value<1,1>(); void DoSomethingHere(); // DoStuff<0,0>() is instantiated, but never called. template int DoStuff() { if (First + 1 == Last) { // This branch gets removed during <0, 0> instantiation in so CFG for this // function goes straight to the else branch. DoSomethingHere(); } else { DoStuff(); DoStuff<(First + Last)/2, Last>(); } return 0; } int stuff = DoStuff<0, 1>(); template struct Wrapper { static int run() { // Similar to the above, Wrapper<0>::run() will discard the if statement. if (x == 1) return 0; return Wrapper::run(); } static int run2() { // expected-warning{{call itself}} return run2(); } }; template int test_wrapper() { if (x != 0) return Wrapper::run() + Wrapper::run2(); // expected-note{{instantiation}} return 0; } int wrapper_sum = test_wrapper<2>(); // expected-note{{instantiation}} @