| // RUN: %clang_cc1 -DX32TYPE=ULONG -triple powerpc-unknown-linux-gnu -std=c89 -x c %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=ULONG -triple powerpc-unknown-linux-gnu -std=iso9899:199409 -x c %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=ULONG -triple powerpc-unknown-linux-gnu -std=c++98 -x c++ %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=LLONG -triple powerpc-unknown-linux-gnu -std=c99 -x c %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=LLONG -triple powerpc-unknown-linux-gnu -std=c11 -x c %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=LLONG -triple powerpc-unknown-linux-gnu -std=c++11 -x c++ %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=LLONG -triple powerpc-unknown-linux-gnu -std=c++1y -x c++ %s -verify |
| // RUN: %clang_cc1 -DX32TYPE=LLONG -triple powerpc-unknown-linux-gnu -std=c++1z -x c++ %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULONG -triple powerpc64-unknown-linux-gnu -std=c89 -x c %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULONG -triple powerpc64-unknown-linux-gnu -std=iso9899:199409 -x c %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULONG -triple powerpc64-unknown-linux-gnu -std=c++98 -x c++ %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULLONG -triple powerpc64-unknown-linux-gnu -std=c99 -x c %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULLONG -triple powerpc64-unknown-linux-gnu -std=c11 -x c %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULLONG -triple powerpc64-unknown-linux-gnu -std=c++11 -x c++ %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULLONG -triple powerpc64-unknown-linux-gnu -std=c++1y -x c++ %s -verify |
| // RUN: %clang_cc1 -DX64TYPE=ULLONG -triple powerpc64-unknown-linux-gnu -std=c++1z -x c++ %s -verify |
| |
| #ifdef X64TYPE |
| #define X32TYPE long |
| #endif |
| |
| #define IS_ULONG_ULONG 1 |
| #define IS_ULONG2(X) IS_ULONG_##X |
| #define IS_ULONG(X) IS_ULONG2(X) |
| |
| #if !defined(X64TYPE) && !IS_ULONG(X32TYPE) |
| // expected-no-diagnostics |
| #endif |
| |
| typedef unsigned long ULONG; |
| typedef long long LLONG; |
| typedef unsigned long long ULLONG; |
| |
| |
| /****************************************************************************** |
| * Test 2^31 as a decimal literal with no suffix and with the "l" and "L" cases. |
| ******************************************************************************/ |
| extern X32TYPE x32; |
| extern __typeof__(2147483648) x32; |
| extern __typeof__(2147483648l) x32; |
| extern __typeof__(2147483648L) x32; |
| |
| #if IS_ULONG(X32TYPE) |
| #if !__cplusplus |
| |
| /****************************************************************************** |
| * Under pre-C99 ISO C, unsigned long is attempted for decimal integer literals |
| * that do not have a suffix containing "u" or "U" if the literal does not fit |
| * within the range of int or long. See 6.1.3.2 paragraph 5. |
| ******************************************************************************/ |
| // expected-warning@39 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will have type 'long long' in C99 onwards}} |
| // expected-warning@40 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will have type 'long long' in C99 onwards}} |
| // expected-warning@41 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will have type 'long long' in C99 onwards}} |
| #else |
| |
| /****************************************************************************** |
| * Under pre-C++11 ISO C++, the same holds if the literal contains an "l" or "L" |
| * in its suffix; otherwise, the behavior is undefined. See 2.13.1 [lex.icon] |
| * paragraph 2. |
| ******************************************************************************/ |
| // expected-warning@39 {{integer literal is too large to be represented in type 'long' and is subject to undefined behavior under C++98, interpreting as 'unsigned long'; this literal will have type 'long long' in C++11 onwards}} |
| // expected-warning@40 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C++98; this literal will have type 'long long' in C++11 onwards}} |
| // expected-warning@41 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C++98; this literal will have type 'long long' in C++11 onwards}} |
| #endif |
| #endif |
| |
| |
| #ifdef X64TYPE |
| |
| /****************************************************************************** |
| * Test 2^63 as a decimal literal with no suffix and with the "l" and "L" cases. |
| ******************************************************************************/ |
| extern X64TYPE x64; |
| extern __typeof__(9223372036854775808) x64; |
| extern __typeof__(9223372036854775808l) x64; |
| extern __typeof__(9223372036854775808L) x64; |
| |
| #if IS_ULONG(X64TYPE) |
| |
| #if !__cplusplus |
| |
| /****************************************************************************** |
| * Under pre-C99 ISO C, unsigned long is attempted for decimal integer literals |
| * that do not have a suffix containing "u" or "U" if the literal does not fit |
| * within the range of int or long. See 6.1.3.2 paragraph 5. |
| ******************************************************************************/ |
| // expected-warning@74 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will be ill-formed in C99 onwards}} |
| // expected-warning@75 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will be ill-formed in C99 onwards}} |
| // expected-warning@76 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C89; this literal will be ill-formed in C99 onwards}} |
| #else |
| |
| /****************************************************************************** |
| * Under pre-C++11 ISO C++, the same holds if the literal contains an "l" or "L" |
| * in its suffix; otherwise, the behavior is undefined. See 2.13.1 [lex.icon] |
| * paragraph 2. |
| ******************************************************************************/ |
| // expected-warning@74 {{integer literal is too large to be represented in type 'long' and is subject to undefined behavior under C++98, interpreting as 'unsigned long'; this literal will be ill-formed in C++11 onwards}} |
| // expected-warning@75 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C++98; this literal will be ill-formed in C++11 onwards}} |
| // expected-warning@76 {{integer literal is too large to be represented in type 'long', interpreting as 'unsigned long' per C++98; this literal will be ill-formed in C++11 onwards}} |
| #endif |
| #else |
| |
| /****************************************************************************** |
| * The status quo in C99/C++11-and-later modes for the literals in question is |
| * to interpret them as unsigned as an extension. |
| ******************************************************************************/ |
| // expected-warning@74 {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} |
| // expected-warning@75 {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} |
| // expected-warning@76 {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} |
| #endif |
| #endif |
| |
| |
| /****************************************************************************** |
| * Test preprocessor arithmetic with 2^31 as a decimal literal with no suffix |
| * and with the "l" and "L" cases. |
| ******************************************************************************/ |
| #if !IS_ULONG(X32TYPE) |
| |
| /****************************************************************************** |
| * If the literal is signed without need for the modified range of the signed |
| * integer types within the controlling constant expression for conditional |
| * inclusion, then it will also be signed with said modified range. |
| ******************************************************************************/ |
| #define EXPR(X) ((X - X) - 1 < 0) |
| #else |
| |
| /****************************************************************************** |
| * Strictly speaking, in pre-C99/C++11 ISO C/C++, the preprocessor arithmetic is |
| * evaluated with the range of long/unsigned long; however, both Clang and GCC |
| * evaluate using 64-bits even when long/unsigned long are 32-bits outside of |
| * preprocessing. |
| * |
| * If the range used becomes 32-bits, then this test will enforce the treatment |
| * as unsigned of the literals in question. |
| * |
| * Note: |
| * Under pre-C99/C++11 ISO C/C++, whether the interpretation of the literal is |
| * affected by the modified range of the signed and unsigned integer types |
| * within the controlling constant expression for conditional inclusion is |
| * unclear. |
| ******************************************************************************/ |
| #define PP_LONG_MAX ((0ul - 1ul) >> 1) |
| #define EXPR(X) \ |
| (PP_LONG_MAX >= 0x80000000 || (X - X) - 1 > 0) // either 2^31 fits into a |
| // preprocessor "long" or the |
| // literals in question are |
| // unsigned |
| #endif |
| |
| #if !(EXPR(2147483648) && EXPR(2147483648l) && EXPR(2147483648L)) |
| #error Unexpected signedness or conversion behavior |
| #endif |
