| // RUN: %clang_cc1 %s -verify -fsyntax-only -Weverything -triple x86_64-apple-darwin10 |
| |
| // Test the compatibility of clang's vector extensions with gcc's vector |
| // extensions for C. Notably &&, ||, ?: and ! are not available. |
| typedef long long v2i64 __attribute__((vector_size(16))); |
| typedef int v2i32 __attribute__((vector_size(8))); |
| typedef short v2i16 __attribute__((vector_size(4))); |
| typedef char v2i8 __attribute__((vector_size(2))); |
| |
| typedef unsigned long long v2u64 __attribute__((vector_size(16))); |
| typedef unsigned int v2u32 __attribute__((vector_size(8))); |
| typedef unsigned short v2u16 __attribute__((vector_size(4))); |
| typedef unsigned char v2u8 __attribute__((vector_size(2))); |
| |
| typedef float v4f32 __attribute__((vector_size(16))); |
| typedef double v2f64 __attribute__((vector_size(16))); |
| typedef double v4f64 __attribute__((vector_size(32))); |
| typedef int v4i32 __attribute((vector_size(16))); |
| |
| void arithmeticTest(void); |
| void logicTest(void); |
| void comparisonTest(void); |
| void floatTestSignedType(char a, short b, int c, long long d); |
| void floatTestUnsignedType(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d); |
| void floatTestConstant(void); |
| void intTestType(char a, short b, int c, long long d); |
| void intTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d); |
| void uintTestType(char a, short b, int c, long long d); |
| void uintTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d); |
| void uintTestConstant(v2u64 v2u64_a, v2u32 v2u32_a, v2u16 v2u16_a, v2u8 v2u8_a); |
| void intTestConstant(v2i64 v2i64_a, v2i32 v2i32_a, v2i16 v2i16_a, v2i8 v2i8_a); |
| |
| void arithmeticTest(void) { |
| v2i64 v2i64_a = (v2i64){0, 1}; |
| v2i64 v2i64_r; |
| |
| v2i64_r = v2i64_a + 1; |
| v2i64_r = v2i64_a - 1; |
| v2i64_r = v2i64_a * 1; |
| v2i64_r = v2i64_a / 1; |
| v2i64_r = v2i64_a % 1; |
| |
| v2i64_r = 1 + v2i64_a; |
| v2i64_r = 1 - v2i64_a; |
| v2i64_r = 1 * v2i64_a; |
| v2i64_r = 1 / v2i64_a; |
| v2i64_r = 1 % v2i64_a; |
| |
| v2i64_a += 1; |
| v2i64_a -= 1; |
| v2i64_a *= 1; |
| v2i64_a /= 1; |
| v2i64_a %= 1; |
| } |
| |
| void comparisonTest(void) { |
| v2i64 v2i64_a = (v2i64){0, 1}; |
| v2i64 v2i64_r; |
| |
| v2i64_r = v2i64_a == 1; |
| v2i64_r = v2i64_a != 1; |
| v2i64_r = v2i64_a < 1; |
| v2i64_r = v2i64_a > 1; |
| v2i64_r = v2i64_a <= 1; |
| v2i64_r = v2i64_a >= 1; |
| |
| v2i64_r = 1 == v2i64_a; |
| v2i64_r = 1 != v2i64_a; |
| v2i64_r = 1 < v2i64_a; |
| v2i64_r = 1 > v2i64_a; |
| v2i64_r = 1 <= v2i64_a; |
| v2i64_r = 1 >= v2i64_a; |
| } |
| |
| void logicTest(void) { |
| v2i64 v2i64_a = (v2i64){0, 1}; |
| v2i64 v2i64_b = (v2i64){2, 1}; |
| v2i64 v2i64_c = (v2i64){3, 1}; |
| v2i64 v2i64_r; |
| |
| v2i64_r = !v2i64_a; // expected-error {{invalid argument type 'v2i64' (vector of 2 'long long' values) to unary expression}} |
| v2i64_r = ~v2i64_a; |
| |
| v2i64_r = v2i64_a ? v2i64_b : v2i64_c; // expected-error {{used type 'v2i64' (vector of 2 'long long' values) where arithmetic or pointer type is required}} |
| |
| v2i64_r = v2i64_a & 1; |
| v2i64_r = v2i64_a | 1; |
| v2i64_r = v2i64_a ^ 1; |
| |
| v2i64_r = 1 & v2i64_a; |
| v2i64_r = 1 | v2i64_a; |
| v2i64_r = 1 ^ v2i64_a; |
| |
| v2i64_a &= 1; |
| v2i64_a |= 1; |
| v2i64_a ^= 1; |
| |
| v2i64_r = v2i64_a && 1; // expected-error {{logical expression with vector type 'v2i64' (vector of 2 'long long' values) and non-vector type 'int' is only supported in C++}} |
| v2i64_r = v2i64_a || 1; // expected-error {{logical expression with vector type 'v2i64' (vector of 2 'long long' values) and non-vector type 'int' is only supported in C++}} |
| |
| v2i64_r = v2i64_a && v2i64_a; // expected-error {{logical expression with vector types 'v2i64' (vector of 2 'long long' values) and 'v2i64' is only supported in C++}} |
| v2i64_r = v2i64_a || v2i64_a; // expected-error {{logical expression with vector types 'v2i64' (vector of 2 'long long' values) and 'v2i64' is only supported in C++}} |
| |
| v2i64_r = v2i64_a << 1; |
| v2i64_r = v2i64_a >> 1; |
| |
| v2i64_r = 1 << v2i64_a; |
| v2i64_r = 1 >> v2i64_a; |
| |
| v2i64_a <<= 1; |
| v2i64_a >>= 1; |
| } |
| |
| // For operations with floating point types, we check that integer constants |
| // can be respresented, or failing that checking based on the integer types. |
| void floatTestConstant(void) { |
| // Test that constants added to floats must be expressible as floating point |
| // numbers. |
| v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
| v4f32_a = v4f32_a + 1; |
| v4f32_a = v4f32_a + 0xFFFFFF; |
| v4f32_a = v4f32_a + (-1567563LL); |
| v4f32_a = v4f32_a + (16777208); |
| v4f32_a = v4f32_a + (16777219); // expected-error {{cannot convert between scalar type 'int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
| } |
| |
| void floatTestConstantComparison(void); |
| void doubleTestConstantComparison(void); |
| |
| void floatTestConstantComparison(void) { |
| v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
| v4i32 v4i32_r; |
| v4i32_r = v4f32_a > 0.4f; |
| v4i32_r = v4f32_a >= 0.4f; |
| v4i32_r = v4f32_a < 0.4f; |
| v4i32_r = v4f32_a <= 0.4f; |
| v4i32_r = v4f32_a == 0.4f; // expected-warning {{comparing floating point with == or != is unsafe}} |
| v4i32_r = v4f32_a != 0.4f; // expected-warning {{comparing floating point with == or != is unsafe}} |
| } |
| |
| void doubleTestConstantComparison(void) { |
| v2f64 v2f64_a = {0.4, 0.4}; |
| v2i64 v2i64_r; |
| v2i64_r = v2f64_a > 0.4; |
| v2i64_r = v2f64_a >= 0.4; |
| v2i64_r = v2f64_a < 0.4; |
| v2i64_r = v2f64_a <= 0.4; |
| v2i64_r = v2f64_a == 0.4; // expected-warning {{comparing floating point with == or != is unsafe}} |
| v2i64_r = v2f64_a != 0.4; // expected-warning {{comparing floating point with == or != is unsafe}} |
| } |
| |
| void floatTestUnsignedType(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d) { |
| v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
| v4f64 v4f64_b = {0.4, 0.4, 0.4, 0.4}; |
| |
| v4f32_a = v4f32_a + a; |
| v4f32_a = v4f32_a + b; |
| v4f32_a = v4f32_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
| v4f32_a = v4f32_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
| |
| v4f64_b = v4f64_b + a; |
| v4f64_b = v4f64_b + b; |
| v4f64_b = v4f64_b + c; |
| v4f64_b = v4f64_b + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v4f64' (vector of 4 'double' values) as implicit conversion would cause truncation}} |
| } |
| |
| void floatTestSignedType(char a, short b, int c, long long d) { |
| v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
| v4f64 v4f64_b = {0.4, 0.4, 0.4, 0.4}; |
| |
| v4f32_a = v4f32_a + a; |
| v4f32_a = v4f32_a + b; |
| v4f32_a = v4f32_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
| v4f32_a = v4f32_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
| |
| v4f64_b = v4f64_b + a; |
| v4f64_b = v4f64_b + b; |
| v4f64_b = v4f64_b + c; |
| v4f64_b = v4f64_b + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v4f64' (vector of 4 'double' values) as implicit conversion would cause truncation}} |
| } |
| |
| void intTestType(char a, short b, int c, long long d) { |
| v2i64 v2i64_a = {1, 2}; |
| v2i32 v2i32_a = {1, 2}; |
| v2i16 v2i16_a = {1, 2}; |
| v2i8 v2i8_a = {1, 2}; |
| |
| v2i64_a = v2i64_a + d; |
| v2i64_a = v2i64_a + c; |
| v2i64_a = v2i64_a + b; |
| v2i64_a = v2i64_a + a; |
| |
| v2i32_a = v2i32_a + d; // expected-warning {{implicit conversion loses integer precision: 'long long' to 'v2i32' (vector of 2 'int' values)}} |
| v2i32_a = v2i32_a + c; |
| v2i32_a = v2i32_a + b; |
| v2i32_a = v2i32_a + a; |
| |
| v2i16_a = v2i16_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
| v2i16_a = v2i16_a + c; // expected-warning {{implicit conversion loses integer precision: 'int' to 'v2i16' (vector of 2 'short' values)}} |
| v2i16_a = v2i16_a + b; |
| v2i16_a = v2i16_a + a; |
| |
| v2i8_a = v2i8_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| v2i8_a = v2i8_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| v2i8_a = v2i8_a + b; // expected-warning {{implicit conversion loses integer precision: 'short' to 'v2i8' (vector of 2 'char' values)}} |
| v2i8_a = v2i8_a + a; |
| } |
| |
| void intTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d) { |
| v2i64 v2i64_a = {1, 2}; |
| v2i32 v2i32_a = {1, 2}; |
| v2i16 v2i16_a = {1, 2}; |
| v2i8 v2i8_a = {1, 2}; |
| |
| v2i64_a = v2i64_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i64' (vector of 2 'long long' values) as implicit conversion would cause truncation}} |
| |
| v2i64_a = v2i64_a + c; |
| v2i64_a = v2i64_a + b; |
| v2i64_a = v2i64_a + a; |
| |
| v2i32_a = v2i32_a + d; // expected-warning {{implicit conversion loses integer precision: 'unsigned long long' to 'v2i32' (vector of 2 'int' values)}} |
| v2i32_a = v2i32_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2i32' (vector of 2 'int' values) as implicit conversion would cause truncation}} |
| v2i32_a = v2i32_a + b; |
| v2i32_a = v2i32_a + a; |
| |
| v2i16_a = v2i16_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
| v2i16_a = v2i16_a + c; // expected-warning {{implicit conversion loses integer precision: 'unsigned int' to 'v2i16' (vector of 2 'short' values)}} |
| v2i16_a = v2i16_a + b; // expected-error {{cannot convert between scalar type 'unsigned short' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
| v2i16_a = v2i16_a + a; |
| |
| v2i8_a = v2i8_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| v2i8_a = v2i8_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| v2i8_a = v2i8_a + b; // expected-warning {{implicit conversion loses integer precision: 'unsigned short' to 'v2i8' (vector of 2 'char' values)}} |
| v2i8_a = v2i8_a + a; // expected-error {{cannot convert between scalar type 'unsigned char' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| } |
| |
| void uintTestType(char a, short b, int c, long long d) { |
| v2u64 v2u64_a = {1, 2}; |
| v2u32 v2u32_a = {1, 2}; |
| v2u16 v2u16_a = {1, 2}; |
| v2u8 v2u8_a = {1, 2}; |
| |
| v2u64_a = v2u64_a + d; // expected-warning {{implicit conversion changes signedness: 'long long' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
| v2u64_a = v2u64_a + c; // expected-warning {{implicit conversion changes signedness: 'int' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
| v2u64_a = v2u64_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
| v2u64_a = v2u64_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
| |
| v2u32_a = v2u32_a + d; // expected-warning {{implicit conversion loses integer precision: 'long long' to 'v2u32' (vector of 2 'unsigned int' values)}} |
| v2u32_a = v2u32_a + c; // expected-warning {{implicit conversion changes signedness: 'int' to 'v2u32' (vector of 2 'unsigned int' values)}} |
| v2u32_a = v2u32_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u32' (vector of 2 'unsigned int' values)}} |
| v2u32_a = v2u32_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u32' (vector of 2 'unsigned int' values)}} |
| |
| v2u16_a = v2u16_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2u16' (vector of 2 'unsigned short' values) as implicit conversion would cause truncation}} |
| v2u16_a = v2u16_a + c; // expected-warning {{implicit conversion loses integer precision: 'int' to 'v2u16' (vector of 2 'unsigned short' values)}} |
| v2u16_a = v2u16_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u16' (vector of 2 'unsigned short' values)}} |
| v2u16_a = v2u16_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u16' (vector of 2 'unsigned short' values)}} |
| |
| v2u8_a = v2u8_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
| v2u8_a = v2u8_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
| v2u8_a = v2u8_a + b; // expected-warning {{implicit conversion loses integer precision: 'short' to 'v2u8' (vector of 2 'unsigned char' values)}} |
| v2u8_a = v2u8_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u8' (vector of 2 'unsigned char' values)}} |
| } |
| |
| void uintTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
| unsigned long long d) { |
| v2u64 v2u64_a = {1, 2}; |
| v2u32 v2u32_a = {1, 2}; |
| v2u16 v2u16_a = {1, 2}; |
| v2u8 v2u8_a = {1, 2}; |
| |
| v2u64_a = v2u64_a + d; |
| v2u64_a = v2u64_a + c; |
| v2u64_a = v2u64_a + b; |
| v2u64_a = v2u64_a + a; |
| |
| v2u32_a = v2u32_a + d; // expected-warning {{implicit conversion loses integer precision: 'unsigned long long' to 'v2u32' (vector of 2 'unsigned int' values)}} |
| v2u32_a = v2u32_a + c; |
| v2u32_a = v2u32_a + b; |
| v2u32_a = v2u32_a + a; |
| |
| v2u16_a = v2u16_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2u16' (vector of 2 'unsigned short' values) as implicit conversion would cause truncation}} |
| v2u16_a = v2u16_a + c; // expected-warning {{implicit conversion loses integer precision: 'unsigned int' to 'v2u16' (vector of 2 'unsigned short' values)}} |
| v2u16_a = v2u16_a + b; |
| v2u16_a = v2u16_a + a; |
| |
| v2u8_a = v2u8_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
| v2u8_a = v2u8_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
| v2u8_a = v2u8_a + b; // expected-warning {{implicit conversion loses integer precision: 'unsigned short' to 'v2u8' (vector of 2 'unsigned char' values)}} |
| v2u8_a = v2u8_a + a; |
| } |
| |
| void uintTestConstant(v2u64 v2u64_a, v2u32 v2u32_a, v2u16 v2u16_a, |
| v2u8 v2u8_a) { |
| v2u64_a = v2u64_a + 0xFFFFFFFFFFFFFFFF; |
| v2u32_a = v2u32_a + 0xFFFFFFFF; |
| v2u16_a = v2u16_a + 0xFFFF; |
| v2u8_a = v2u8_a + 0xFF; |
| |
| v2u32_a = v2u32_a + 0x1FFFFFFFF; // expected-warning {{implicit conversion from 'long' to 'v2u32' (vector of 2 'unsigned int' values) changes value from 8589934591 to 4294967295}} |
| v2u16_a = v2u16_a + 0x1FFFF; // expected-warning {{implicit conversion from 'int' to 'v2u16' (vector of 2 'unsigned short' values) changes value from 131071 to 65535}} |
| v2u8_a = v2u8_a + 0x1FF; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
| } |
| |
| void intTestConstant(v2i64 v2i64_a, v2i32 v2i32_a, v2i16 v2i16_a, v2i8 v2i8_a) { |
| // Legal upper bounds. |
| v2i64_a = v2i64_a + (long long)0x7FFFFFFFFFFFFFFF; |
| v2i32_a = v2i32_a + (int)0x7FFFFFFF; |
| v2i16_a = v2i16_a + (short)0x7FFF; |
| v2i8_a = v2i8_a + (char)0x7F; |
| |
| // Legal lower bounds. |
| v2i64_a = v2i64_a + (-9223372036854775807); |
| v2i32_a = v2i32_a + (-2147483648); |
| v2i16_a = v2i16_a + (-32768); |
| v2i8_a = v2i8_a + (-128); |
| |
| // One increment/decrement more than the type can hold |
| v2i32_a = v2i32_a + 2147483648; // expected-warning {{implicit conversion from 'long' to 'v2i32' (vector of 2 'int' values) changes value from 2147483648 to -2147483648}} |
| v2i16_a = v2i16_a + 32768; // expected-warning {{implicit conversion from 'int' to 'v2i16' (vector of 2 'short' values) changes value from 32768 to -32768}} |
| v2i8_a = v2i8_a + 128; // expected-warning {{implicit conversion from 'int' to 'v2i8' (vector of 2 'char' values) changes value from 128 to -128}} |
| |
| v2i32_a = v2i32_a + (-2147483649); // expected-warning {{implicit conversion from 'long' to 'v2i32' (vector of 2 'int' values) changes value from -2147483649 to 2147483647}} |
| v2i16_a = v2i16_a + (-32769); // expected-warning {{implicit conversion from 'int' to 'v2i16' (vector of 2 'short' values) changes value from -32769 to 32767}} |
| v2i8_a = v2i8_a + (-129); // expected-error {{cannot convert between scalar type 'int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
| } |