fc78d55398
Diagnose malformed '#pragma clang loop vectorize_width' lists. Avoids crash in HandlePragmaLoopHint, emit clear diagnostic and added regression test. Fixes #166325
12 lines
549 B
C++
12 lines
549 B
C++
// RUN: %clang_cc1 -fsyntax-only %s -verify
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void sum_vector(unsigned int A[], unsigned int B[], unsigned int sum[]) {
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#pragma clang loop vectorize_width(4,8,16) vectorize(assume_safety)
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// expected-error@-1 {{vectorize_width loop hint malformed; use vectorize_width(X, fixed) or vectorize_width(X, scalable) where X is an integer, or vectorize_width('fixed' or 'scalable')}}
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// expected-warning@-2 {{extra tokens at end of '#pragma clang loop vectorize_width' - ignored}}
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for (int k = 0; k < 64; k++) {
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sum[k] = A[k] + 3 * B[k];
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}
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}
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