438863a09e
The 'cache' construct is lowered as marking the acc.loop in ACC MLIR. This results in any variable references that are not inside of the acc.loop being invalid. This patch adds a warning to that effect, and ensures that the variable references won't be added to the AST during parsing so we don't try to lower them. This results in loss of instantiation-diagnostics for these, however that seems like an acceptable consequence to ignoring it.
199 lines
5.6 KiB
C
199 lines
5.6 KiB
C
// RUN: %clang_cc1 %s -verify -fopenacc
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struct S {
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int foo;
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char Array[1];
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};
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char *getArrayPtr();
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void func() {
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char Array[10];
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char *ArrayPtr = getArrayPtr();
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int *readonly;
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struct S s;
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{expected '('}}
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#pragma acc cache
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+2{{expected '('}}
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// expected-error@+1{{invalid OpenACC clause 'clause'}}
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#pragma acc cache clause list
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{expected expression}}
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#pragma acc cache()
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+2{{expected expression}}
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// expected-error@+1{{invalid OpenACC clause 'clause'}}
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#pragma acc cache() clause-list
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+2{{expected ')'}}
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// expected-note@+1{{to match this '('}}
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#pragma acc cache(
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+3{{use of undeclared identifier 'invalid'}}
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// expected-error@+2{{expected ')'}}
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// expected-note@+1{{to match this '('}}
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#pragma acc cache(invalid
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+3{{expected ')'}}
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// expected-note@+2{{to match this '('}}
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(ArrayPtr
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}
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{use of undeclared identifier 'invalid'}}
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#pragma acc cache(invalid)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(ArrayPtr)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+5{{expected expression}}
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// expected-error@+4{{expected ']'}}
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// expected-note@+3{{to match this '['}}
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// expected-error@+2{{expected ')'}}
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// expected-note@+1{{to match this '('}}
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#pragma acc cache(ArrayPtr[
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+3{{expected expression}}
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// expected-error@+2{{expected ']'}}
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// expected-note@+1{{to match this '['}}
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#pragma acc cache(ArrayPtr[, 5)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+3{{expected expression}}
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// expected-error@+2{{expected ']'}}
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// expected-note@+1{{to match this '['}}
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#pragma acc cache(Array[)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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#pragma acc cache(Array[*readonly])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+5{{expected expression}}
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// expected-error@+4{{expected ']'}}
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// expected-note@+3{{to match this '['}}
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// expected-error@+2{{expected ')'}}
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// expected-note@+1{{to match this '('}}
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#pragma acc cache(Array[*readonly:
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(readonly)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+2{{invalid tag 'devnum' on 'cache' directive}}
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(devnum:ArrayPtr)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+2{{invalid tag 'invalid' on 'cache' directive}}
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(invalid:ArrayPtr)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(readonly:ArrayPtr)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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#pragma acc cache(readonly:ArrayPtr[5:1])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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#pragma acc cache(readonly:ArrayPtr[5:*readonly])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(readonly:ArrayPtr[5:*readonly], Array)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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#pragma acc cache(readonly:ArrayPtr[5:*readonly], Array[*readonly:3])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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#pragma acc cache(readonly:ArrayPtr[5 + 0:*readonly], Array[*readonly + 0:3])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+3{{expected expression}}
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// expected-error@+2{{expected ')'}}
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// expected-note@+1{{to match this '('}}
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#pragma acc cache(readonly:ArrayPtr[5:*readonly],
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{expected expression}}
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#pragma acc cache(readonly:ArrayPtr[5:*readonly],)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-warning@+1{{left operand of comma operator has no effect}}
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#pragma acc cache(readonly:ArrayPtr[5,6:*readonly])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-warning@+1{{left operand of comma operator has no effect}}
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#pragma acc cache(readonly:ArrayPtr[5:3, *readonly], ArrayPtr[0])
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-error@+1{{OpenACC variable in 'cache' directive is not a valid sub-array or array element}}
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#pragma acc cache(readonly:s.foo)
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}
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#pragma acc loop
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for (int i = 0; i < 10; ++i) {
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// expected-warning@+1{{left operand of comma operator has no effect}}
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#pragma acc cache(readonly:s.Array[1,2])
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}
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}
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