61 lines
3.5 KiB
C
61 lines
3.5 KiB
C
/* { dg-do compile } */
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/* { dg-options "-std=c11" } */
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/* Origin: Martin Uecker <uecker@eecs.berkeley.edu> */
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void tvoid(void* x);
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void transpose0(double* out, _Atomic double* in) { }
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void transpose1(double out[2][2], _Atomic double in[2][2]) { }
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void transpose2(double out[2][2][2], _Atomic double in[2][2][2]) { }
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// return
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int (*x2(_Atomic int x[3][3]))[3] { return x; } /* { dg-warning "returning '_Atomic int \\(\\*\\)\\\[3\\\]' from a function with incompatible return type" } */
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_Atomic int (*x3(int x[3][3]))[3] { return x; } /* { dg-warning "returning 'int \\(\\*\\)\\\[3\\\]' from a function with incompatible return type" } */
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void test(void)
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{
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double x0[2];
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double y0[2];
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_Atomic double z0[4];
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double x1[2][2];
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double y1[2][2];
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double o1[2][3];
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_Atomic double z1[2][2];
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double x2[2][2][2];
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double y2[2][2][2];
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double o2[2][2][3];
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_Atomic double z2[2][2][2];
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tvoid(z0);
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tvoid(z1);
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tvoid(z2);
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// passing as arguments
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transpose0(y0, x0); /* { dg-warning "passing argument 2 of 'transpose0' from incompatible pointer type" } */
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transpose1(y1, o1); /* { dg-warning "passing argument 2 of 'transpose1' from incompatible pointer type" } */
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transpose1(y1, x1); /* { dg-warning "passing argument 2 of 'transpose1' from incompatible pointer type" } */
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transpose2(y2, o2); /* { dg-warning "passing argument 2 of 'transpose2' from incompatible pointer type" } */
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transpose2(y2, x2); /* { dg-warning "passing argument 2 of 'transpose2' from incompatible pointer type" } */
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// initialization
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_Atomic double (*x0p) = x0; /* { dg-warning "initialization of '_Atomic double \\*' from incompatible pointer type" } */
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_Atomic double (*x1p)[2] = x1; /* { dg-warning "initialization of '_Atomic double \\(\\*\\)\\\[2\\\]' from incompatible pointer type" } */
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_Atomic double (*x2p)[2][2] = x2; /* { dg-warning "initialization of '_Atomic double \\(\\*\\)\\\[2\\\]\\\[2\\\]' from incompatible pointer type" } */
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// assignment
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x0p = x0; /* { dg-warning "assignment to '_Atomic double \\*' from incompatible pointer type" } */
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x1p = x1; /* { dg-warning "assignment to '_Atomic double \\(\\*\\)\\\[2\\\]' from incompatible pointer type" } */
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x2p = x2; /* { dg-warning "assignment to '_Atomic double \\(\\*\\)\\\[2\\\]\\\[2\\\]' from incompatible pointer type" } */
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// subtraction
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&(x0[1]) - &(z0[0]); /* { dg-error "invalid operands to binary" } */
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&(x1[1]) - &(z1[0]); /* { dg-error "invalid operands to binary" } */
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&(x2[1]) - &(z2[0]); /* { dg-error "invalid operands to binary" } */
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// comparison
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x0 == z0; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x1 == z1; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x2 == z2; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x0 > z0; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x1 > z1; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x2 > z2; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x0 < z0; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x1 < z1; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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x2 < z2; /* { dg-warning "comparison of distinct pointer types lacks a cast" } */
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// conditional expressions
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(void)(1 ? x0 : z0); /* { dg-warning "pointer type mismatch in conditional expression" } */
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(void)(1 ? x1 : z1); /* { dg-warning "pointer type mismatch in conditional expression" } */
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(void)(1 ? x2 : z2); /* { dg-warning "pointer type mismatch in conditional expression" } */
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}
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