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-20190127:1.1.1.2.12.1 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:1.1.1.1 pgoyette-compat-0728:1.1.1.3 clang-337282:1.1.1.3 netbsd-8-0-RELEASE:1.1.1.2 phil-wifi:1.1.1.2.0.14 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:1.1.1.1 pgoyette-compat:1.1.1.2.0.12 pgoyette-compat-base:1.1.1.2 netbsd-7-1-1-RELEASE:1.1.1.1 clang-319952:1.1.1.2 matt-nb8-mediatek:1.1.1.2.0.10 matt-nb8-mediatek-base:1.1.1.2 clang-309604:1.1.1.2 perseant-stdc-iso10646:1.1.1.2.0.8 perseant-stdc-iso10646-base:1.1.1.2 netbsd-8:1.1.1.2.0.6 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-localcount2:1.1.1.2.0.4 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-7-1:1.1.1.1.0.14 netbsd-7-1-RELEASE:1.1.1.1 netbsd-7-1-RC2:1.1.1.1 clang-294123:1.1.1.2 netbsd-7-nhusb-base-20170116:1.1.1.1 bouyer-socketcan:1.1.1.2.0.2 bouyer-socketcan-base:1.1.1.2 clang-291444:1.1.1.2 pgoyette-localcount-20170107:1.1.1.1 netbsd-7-1-RC1:1.1.1.1 pgoyette-localcount-20161104:1.1.1.1 netbsd-7-0-2-RELEASE:1.1.1.1 localcount-20160914:1.1.1.1 netbsd-7-nhusb:1.1.1.1.0.12 netbsd-7-nhusb-base:1.1.1.1 clang-280599:1.1.1.1 pgoyette-localcount-20160806:1.1.1.1 pgoyette-localcount-20160726:1.1.1.1 pgoyette-localcount:1.1.1.1.0.10 pgoyette-localcount-base:1.1.1.1 netbsd-7-0-1-RELEASE:1.1.1.1 clang-261930:1.1.1.1 netbsd-7-0:1.1.1.1.0.8 netbsd-7-0-RELEASE:1.1.1.1 netbsd-7-0-RC3:1.1.1.1 netbsd-7-0-RC2:1.1.1.1 netbsd-7-0-RC1:1.1.1.1 clang-237755:1.1.1.1 clang-232565:1.1.1.1 clang-227398:1.1.1.1 tls-maxphys-base:1.1.1.1 tls-maxphys:1.1.1.1.0.6 netbsd-7:1.1.1.1.0.4 netbsd-7-base:1.1.1.1 clang-215315:1.1.1.1 tls-earlyentropy:1.1.1.1.0.2 tls-earlyentropy-base:1.1.1.1 clang-209886:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2014.05.30.18.14.49; author joerg; state Exp; branches 1.1.1.1; next ; commitid 8q0kdlBlCn09GACx; 1.1.1.1 date 2014.05.30.18.14.49; author joerg; state Exp; branches 1.1.1.1.2.1 1.1.1.1.6.1 1.1.1.1.10.1; next 1.1.1.2; commitid 8q0kdlBlCn09GACx; 1.1.1.2 date 2017.01.11.10.37.41; author joerg; state Exp; branches 1.1.1.2.12.1 1.1.1.2.14.1; next 1.1.1.3; commitid CNnUNfII1jgNmxBz; 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; 1.1.1.1.2.1 date 2014.05.30.18.14.49; author tls; state dead; branches; next 1.1.1.1.2.2; commitid t01A1TLTYxkpGMLx; 1.1.1.1.2.2 date 2014.08.10.07.08.23; author tls; state Exp; branches; next ; commitid t01A1TLTYxkpGMLx; 1.1.1.1.6.1 date 2014.05.30.18.14.49; author tls; state dead; branches; next 1.1.1.1.6.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.1.6.2 date 2014.08.19.23.49.20; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.1.10.1 date 2017.03.20.06.53.34; author pgoyette; state Exp; branches; next ; commitid jjw7cAwgyKq7RfKz; 1.1.1.2.12.1 date 2018.07.28.04.34.12; author pgoyette; state Exp; branches; next ; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.2.14.1 date 2019.06.10.21.46.36; author christos; state Exp; branches; next 1.1.1.2.14.2; commitid jtc8rnCzWiEEHGqB; 1.1.1.2.14.2 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 -verify -fsyntax-only %s -Wfloat-conversion bool ReturnBool(float f) { return f; //expected-warning{{conversion}} } char ReturnChar(float f) { return f; //expected-warning{{conversion}} } int ReturnInt(float f) { return f; //expected-warning{{conversion}} } long ReturnLong(float f) { return f; //expected-warning{{conversion}} } void Convert(float f, double d, long double ld) { bool b; char c; int i; long l; b = f; //expected-warning{{conversion}} b = d; //expected-warning{{conversion}} b = ld; //expected-warning{{conversion}} c = f; //expected-warning{{conversion}} c = d; //expected-warning{{conversion}} c = ld; //expected-warning{{conversion}} i = f; //expected-warning{{conversion}} i = d; //expected-warning{{conversion}} i = ld; //expected-warning{{conversion}} l = f; //expected-warning{{conversion}} l = d; //expected-warning{{conversion}} l = ld; //expected-warning{{conversion}} } @ 1.1.1.1 log @Import Clang 3.5svn r209886. @ text @@ 1.1.1.1.10.1 log @Sync with HEAD @ text @d1 1 a1 3 // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-literal-conversion -Wfloat-conversion -DFLOAT_CONVERSION -DZERO -DBOOL -DCONSTANT_BOOL -DOVERFLOW // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-conversion -Wfloat-overflow-conversion -DOVERFLOW // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-conversion -Wfloat-zero-conversion -DZERO a2 3 float ReturnFloat(); #ifdef FLOAT_CONVERSION a38 46 void Test() { int a1 = 10.0/2.0; //expected-warning{{conversion}} int a2 = 1.0/2.0; //expected-warning{{conversion}} bool a3 = ReturnFloat(); //expected-warning{{conversion}} int a4 = 1e30 + 1; //expected-warning{{conversion}} } void TestConstantFloat() { // Don't warn on exact floating literals. int a1 = 5.0; int a2 = 1e3; int a3 = 5.5; // caught by -Wliteral-conversion int a4 = 500.44; // caught by -Wliteral-convserion int b1 = 5.0 / 1.0; //expected-warning{{conversion}} int b2 = 5.0 / 2.0; //expected-warning{{conversion}} const float five = 5.0; int b3 = five / 1.0; //expected-warning{{conversion}} int b4 = five / 2.0; //expected-warning{{conversion}} } #endif // FLOAT_CONVERSION #ifdef ZERO void TestZero() { const float half = .5; int a1 = half; // expected-warning{{implicit conversion from 'const float' to 'int' changes non-zero value from 0.5 to 0}} int a2 = 1.0 / 2.0; // expected-warning{{implicit conversion from 'double' to 'int' changes non-zero value from 0.5 to 0}} int a3 = 5; } #endif // ZERO #ifdef OVERFLOW void TestOverflow() { char a = 500.0; // caught by -Wliteral-conversion char b = -500.0; // caught by -Wliteral-conversion const float LargeNumber = 1024; char c = LargeNumber; // expected-warning{{implicit conversion of out of range value from 'const float' to 'char' changes value from 1024 to 127}} char d = 400.0 + 400.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' changes value from 800 to 127}} char e = 1.0 / 0.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' changes value from +Inf to 127}} } #endif // OVERFLOW @ 1.1.1.2 log @Import Clang pre-4.0.0 r291444. @ text @d1 1 a1 3 // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-literal-conversion -Wfloat-conversion -DFLOAT_CONVERSION -DZERO -DBOOL -DCONSTANT_BOOL -DOVERFLOW // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-conversion -Wfloat-overflow-conversion -DOVERFLOW // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-pc-linux-gnu %s -Wno-conversion -Wfloat-zero-conversion -DZERO a2 3 float ReturnFloat(); #ifdef FLOAT_CONVERSION a38 46 void Test() { int a1 = 10.0/2.0; //expected-warning{{conversion}} int a2 = 1.0/2.0; //expected-warning{{conversion}} bool a3 = ReturnFloat(); //expected-warning{{conversion}} int a4 = 1e30 + 1; //expected-warning{{conversion}} } void TestConstantFloat() { // Don't warn on exact floating literals. int a1 = 5.0; int a2 = 1e3; int a3 = 5.5; // caught by -Wliteral-conversion int a4 = 500.44; // caught by -Wliteral-convserion int b1 = 5.0 / 1.0; //expected-warning{{conversion}} int b2 = 5.0 / 2.0; //expected-warning{{conversion}} const float five = 5.0; int b3 = five / 1.0; //expected-warning{{conversion}} int b4 = five / 2.0; //expected-warning{{conversion}} } #endif // FLOAT_CONVERSION #ifdef ZERO void TestZero() { const float half = .5; int a1 = half; // expected-warning{{implicit conversion from 'const float' to 'int' changes non-zero value from 0.5 to 0}} int a2 = 1.0 / 2.0; // expected-warning{{implicit conversion from 'double' to 'int' changes non-zero value from 0.5 to 0}} int a3 = 5; } #endif // ZERO #ifdef OVERFLOW void TestOverflow() { char a = 500.0; // caught by -Wliteral-conversion char b = -500.0; // caught by -Wliteral-conversion const float LargeNumber = 1024; char c = LargeNumber; // expected-warning{{implicit conversion of out of range value from 'const float' to 'char' changes value from 1024 to 127}} char d = 400.0 + 400.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' changes value from 800 to 127}} char e = 1.0 / 0.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' changes value from +Inf to 127}} } #endif // OVERFLOW @ 1.1.1.2.14.1 log @Sync with HEAD @ text @a65 3 int f = 2147483646.5 + 1; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 2147483647.5 to 2147483647}} unsigned g = -.5 + .01; // expected-warning{{implicit conversion from 'double' to 'unsigned int' changes non-zero value from -0.49 to 0}} d84 2 a85 15 char c = LargeNumber; // expected-warning{{implicit conversion of out of range value from 'const float' to 'char' is undefined}} char d = 400.0 + 400.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} char e = 1.0 / 0.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} } template class Check { public: static constexpr bool Safe(); }; template<> constexpr bool Check::Safe() { return false; } d87 1 a87 16 template<> constexpr bool Check::Safe() { return true; } template T run1(T t) { const float ret = 800; return ret; // expected-warning {{implicit conversion of out of range value from 'const float' to 'char' is undefined}} } template T run2(T t) { const float ret = 800; if (Check::Safe()) return ret; else return t; a88 6 void test() { float a = run1(a) + run2(a); char b = run1(b) + run2(b); // expected-note {{in instantiation of function template specialization 'run1' requested here}} } @ 1.1.1.2.14.2 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.2.12.1 log @Sync with HEAD @ text @a65 3 int f = 2147483646.5 + 1; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 2147483647.5 to 2147483647}} unsigned g = -.5 + .01; // expected-warning{{implicit conversion from 'double' to 'unsigned int' changes non-zero value from -0.49 to 0}} d84 2 a85 15 char c = LargeNumber; // expected-warning{{implicit conversion of out of range value from 'const float' to 'char' is undefined}} char d = 400.0 + 400.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} char e = 1.0 / 0.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} } template class Check { public: static constexpr bool Safe(); }; template<> constexpr bool Check::Safe() { return false; } d87 1 a87 16 template<> constexpr bool Check::Safe() { return true; } template T run1(T t) { const float ret = 800; return ret; // expected-warning {{implicit conversion of out of range value from 'const float' to 'char' is undefined}} } template T run2(T t) { const float ret = 800; if (Check::Safe()) return ret; else return t; a88 6 void test() { float a = run1(a) + run2(a); char b = run1(b) + run2(b); // expected-note {{in instantiation of function template specialization 'run1' requested here}} } @ 1.1.1.3 log @Import clang r337282 from trunk @ text @a65 3 int f = 2147483646.5 + 1; // expected-warning{{implicit conversion from 'double' to 'int' changes value from 2147483647.5 to 2147483647}} unsigned g = -.5 + .01; // expected-warning{{implicit conversion from 'double' to 'unsigned int' changes non-zero value from -0.49 to 0}} d84 2 a85 15 char c = LargeNumber; // expected-warning{{implicit conversion of out of range value from 'const float' to 'char' is undefined}} char d = 400.0 + 400.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} char e = 1.0 / 0.0; // expected-warning{{implicit conversion of out of range value from 'double' to 'char' is undefined}} } template class Check { public: static constexpr bool Safe(); }; template<> constexpr bool Check::Safe() { return false; } d87 1 a87 16 template<> constexpr bool Check::Safe() { return true; } template T run1(T t) { const float ret = 800; return ret; // expected-warning {{implicit conversion of out of range value from 'const float' to 'char' is undefined}} } template T run2(T t) { const float ret = 800; if (Check::Safe()) return ret; else return t; a88 6 void test() { float a = run1(a) + run2(a); char b = run1(b) + run2(b); // expected-note {{in instantiation of function template specialization 'run1' requested here}} } @ 1.1.1.4 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.1.6.1 log @file warn-float-conversion.cpp was added on branch tls-maxphys on 2014-08-19 23:49:20 +0000 @ text @d1 38 @ 1.1.1.1.6.2 log @Rebase to HEAD as of a few days ago. @ text @a0 38 // RUN: %clang_cc1 -verify -fsyntax-only %s -Wfloat-conversion bool ReturnBool(float f) { return f; //expected-warning{{conversion}} } char ReturnChar(float f) { return f; //expected-warning{{conversion}} } int ReturnInt(float f) { return f; //expected-warning{{conversion}} } long ReturnLong(float f) { return f; //expected-warning{{conversion}} } void Convert(float f, double d, long double ld) { bool b; char c; int i; long l; b = f; //expected-warning{{conversion}} b = d; //expected-warning{{conversion}} b = ld; //expected-warning{{conversion}} c = f; //expected-warning{{conversion}} c = d; //expected-warning{{conversion}} c = ld; //expected-warning{{conversion}} i = f; //expected-warning{{conversion}} i = d; //expected-warning{{conversion}} i = ld; //expected-warning{{conversion}} l = f; //expected-warning{{conversion}} l = d; //expected-warning{{conversion}} l = ld; //expected-warning{{conversion}} } @ 1.1.1.1.2.1 log @file warn-float-conversion.cpp was added on branch tls-earlyentropy on 2014-08-10 07:08:23 +0000 @ text @d1 38 @ 1.1.1.1.2.2 log @Rebase. @ text @a0 38 // RUN: %clang_cc1 -verify -fsyntax-only %s -Wfloat-conversion bool ReturnBool(float f) { return f; //expected-warning{{conversion}} } char ReturnChar(float f) { return f; //expected-warning{{conversion}} } int ReturnInt(float f) { return f; //expected-warning{{conversion}} } long ReturnLong(float f) { return f; //expected-warning{{conversion}} } void Convert(float f, double d, long double ld) { bool b; char c; int i; long l; b = f; //expected-warning{{conversion}} b = d; //expected-warning{{conversion}} b = ld; //expected-warning{{conversion}} c = f; //expected-warning{{conversion}} c = d; //expected-warning{{conversion}} c = ld; //expected-warning{{conversion}} i = f; //expected-warning{{conversion}} i = d; //expected-warning{{conversion}} i = ld; //expected-warning{{conversion}} l = f; //expected-warning{{conversion}} l = d; //expected-warning{{conversion}} l = ld; //expected-warning{{conversion}} } @