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// RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -verify %s
// expected-error@+1 {{unexpected OpenMP directive '#pragma omp simd'}}
#pragma omp simd
// expected-error@+1 {{unexpected OpenMP directive '#pragma omp simd'}}
#pragma omp simd foo
// expected-error@+1 {{unexpected OpenMP directive '#pragma omp simd'}}
#pragma omp simd safelen(4)
void test_no_clause()
{
int i;
#pragma omp simd
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{statement after '#pragma omp simd' must be a for loop}}
#pragma omp simd
++i;
}
void test_branch_protected_scope()
{
int i = 0;
L1:
++i;
int x[24];
#pragma omp simd
for (i = 0; i < 16; ++i) {
if (i == 5)
goto L1; // expected-error {{use of undeclared label 'L1'}}
else if (i == 6)
return; // expected-error {{cannot return from OpenMP region}}
else if (i == 7)
goto L2;
else if (i == 8) {
L2:
x[i]++;
}
}
if (x[0] == 0)
goto L2; // expected-error {{use of undeclared label 'L2'}}
else if (x[1] == 1)
goto L1;
}
void test_invalid_clause()
{
int i;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp simd' are ignored}}
#pragma omp simd foo bar
for (i = 0; i < 16; ++i) ;
}
void test_non_identifiers()
{
int i, x;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp simd' are ignored}}
#pragma omp simd;
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
// expected-warning@+1 {{extra tokens at the end of '#pragma omp simd' are ignored}}
#pragma omp simd firstprivate(x);
for (i = 0; i < 16; ++i) ;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp simd' are ignored}}
#pragma omp simd private(x);
for (i = 0; i < 16; ++i) ;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp simd' are ignored}}
#pragma omp simd , private(x);
for (i = 0; i < 16; ++i) ;
}
extern int foo();
void test_safelen()
{
int i;
// expected-error@+1 {{expected '('}}
#pragma omp simd safelen
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}}
#pragma omp simd safelen()
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(,
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(,)
for (i = 0; i < 16; ++i) ;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp simd' are ignored}}
// expected-error@+1 {{expected '('}}
#pragma omp simd safelen 4)
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4,
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4,)
for (i = 0; i < 16; ++i) ;
// xxpected-error@+1 {{expected expression}}
#pragma omp simd safelen(4)
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4 4)
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4,,4)
for (i = 0; i < 16; ++i) ;
#pragma omp simd safelen(4)
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp simd safelen(4,8)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp simd safelen(2.5)
for (i = 0; i < 16; ++i);
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp simd safelen(foo())
for (i = 0; i < 16; ++i);
// expected-error@+1 {{argument to 'safelen' clause must be a positive integer value}}
#pragma omp simd safelen(-5)
for (i = 0; i < 16; ++i);
// expected-error@+1 {{argument to 'safelen' clause must be a positive integer value}}
#pragma omp simd safelen(0)
for (i = 0; i < 16; ++i);
// expected-error@+1 {{argument to 'safelen' clause must be a positive integer value}}
#pragma omp simd safelen(5-5)
for (i = 0; i < 16; ++i);
}
void test_linear()
{
int i;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd linear(
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd linear(,
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected expression}}
#pragma omp simd linear(,)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}}
#pragma omp simd linear()
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}}
#pragma omp simd linear(int)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected variable name}}
#pragma omp simd linear(0)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{use of undeclared identifier 'x'}}
#pragma omp simd linear(x)
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{use of undeclared identifier 'x'}}
// expected-error@+1 {{use of undeclared identifier 'y'}}
#pragma omp simd linear(x, y)
for (i = 0; i < 16; ++i) ;
// expected-error@+3 {{use of undeclared identifier 'x'}}
// expected-error@+2 {{use of undeclared identifier 'y'}}
// expected-error@+1 {{use of undeclared identifier 'z'}}
#pragma omp simd linear(x, y, z)
for (i = 0; i < 16; ++i) ;
int x, y;
// expected-error@+1 {{expected expression}}
#pragma omp simd linear(x:)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd linear(x:,)
for (i = 0; i < 16; ++i) ;
#pragma omp simd linear(x:1)
for (i = 0; i < 16; ++i) ;
#pragma omp simd linear(x:2*2)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd linear(x:1,y)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd linear(x:1,y,z:1)
for (i = 0; i < 16; ++i) ;
// expected-note@+2 {{defined as linear}}
// expected-error@+1 {{linear variable cannot be linear}}
#pragma omp simd linear(x) linear(x)
for (i = 0; i < 16; ++i) ;
// expected-note@+2 {{defined as private}}
// expected-error@+1 {{private variable cannot be linear}}
#pragma omp simd private(x) linear(x)
for (i = 0; i < 16; ++i) ;
// expected-note@+2 {{defined as linear}}
// expected-error@+1 {{linear variable cannot be private}}
#pragma omp simd linear(x) private(x)
for (i = 0; i < 16; ++i) ;
// expected-warning@+1 {{zero linear step (x and other variables in clause should probably be const)}}
#pragma omp simd linear(x,y:0)
for (i = 0; i < 16; ++i) ;
}
void test_private()
{
int i;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp simd private(
for (i = 0; i < 16; ++i) ;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp simd private(,
for (i = 0; i < 16; ++i) ;
// expected-error@+1 2 {{expected expression}}
#pragma omp simd private(,)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}}
#pragma omp simd private()
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected expression}}
#pragma omp simd private(int)
for (i = 0; i < 16; ++i) ;
// expected-error@+1 {{expected variable name}}
#pragma omp simd private(0)
for (i = 0; i < 16; ++i) ;
int x, y, z;
#pragma omp simd private(x)
for (i = 0; i < 16; ++i) ;
#pragma omp simd private(x, y)
for (i = 0; i < 16; ++i) ;
#pragma omp simd private(x, y, z)
for (i = 0; i < 16; ++i) {
x = y * i + z;
}
}
void test_firstprivate()
{
int i;
// expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
// expected-error@+2 {{unexpected OpenMP clause 'firstprivate' in directive '#pragma omp simd'}}
// expected-error@+1 {{expected expression}}
#pragma omp simd firstprivate(
for (i = 0; i < 16; ++i) ;
}
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