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.
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
// RUN: %clang_cc1 %s -fopenacc -verify
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void use() {
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int Array[5];
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int NotArray;
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#pragma acc loop
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for (int i = 0; i < 5;++i) {
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#pragma acc cache(Array[1])
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#pragma acc cache(Array[1:2])
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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(Array)
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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(NotArray)
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}
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}
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struct S {
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int Array[5];
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int NotArray;
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int Array2D[5][5];
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void use() {
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#pragma acc loop
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for (int i = 0; i < 5;++i) {
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#pragma acc cache(Array[1])
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#pragma acc cache(Array[1:2])
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#pragma acc cache(Array2D[1][1])
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#pragma acc cache(Array2D[1][1:2])
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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(Array)
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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(NotArray)
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}
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}
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};
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template<typename T>
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void templ_use() {
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T Array[5];
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T NotArray;
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#pragma acc loop
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for (int i = 0; i < 5;++i) {
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#pragma acc cache(Array[1])
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#pragma acc cache(Array[1:2])
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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(Array)
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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(NotArray)
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}
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}
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void foo() {
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templ_use<int>();
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}
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