llvm-project

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// RUN: %clang_cc1 -std=c++11 -verify %s
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void test_0(int *List, int Length) {
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/* expected-error@+1 {{missing option; expected 'contract', 'reassociate', 'reciprocal', or 'exceptions'}} */
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#pragma clang fp
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_1(int *List, int Length) {
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/* expected-error@+1 {{invalid option 'blah'; expected 'contract', 'reassociate', 'reciprocal', or 'exceptions'}} */
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#pragma clang fp blah
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_3(int *List, int Length) {
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/* expected-error@+1 {{expected '('}} */
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#pragma clang fp contract on
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_4(int *List, int Length) {
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/* expected-error@+1 {{unexpected argument 'while' to '#pragma clang fp contract'; expected 'fast' or 'on' or 'off'}} */
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#pragma clang fp contract(while)
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_5(int *List, int Length) {
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/* expected-error@+1 {{unexpected argument 'maybe' to '#pragma clang fp contract'; expected 'fast' or 'on' or 'off'}} */
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#pragma clang fp contract(maybe)
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_6(int *List, int Length) {
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/* expected-error@+1 {{expected ')'}} */
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#pragma clang fp contract(fast
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_7(int *List, int Length) {
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/* expected-warning@+1 {{extra tokens at end of '#pragma clang fp' - ignored}} */
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#pragma clang fp contract(fast) *
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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  }
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}
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void test_8(int *List, int Length) {
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  for (int i = 0; i < Length; i++) {
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    List[i] = i;
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/* expected-error@+1 {{'#pragma clang fp' can only appear at file scope or at the start of a compound statement}} */
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#pragma clang fp contract(fast)
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  }
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}
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void test_9(float *dest, float a, float b) {
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/* expected-error@+1 {{unexpected argument 'on' to '#pragma clang fp exceptions'; expected 'ignore', 'maytrap' or 'strict'}} */
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#pragma clang fp exceptions(on)
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  *dest = a + b;
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}
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void test_10(float *dest, float a, float b) {
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#pragma clang fp exceptions(maytrap) contract(fast) reassociate(on)
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  *dest = a + b;
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}
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