123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
// RUN: %clang_cc1 -std=c++11 -verify %s
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// Note that this puts the expected lines before the directives to work around
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// limitations in the -verify mode.
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void test(int *List, int Length) {
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int i = 0;
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#pragma unroll
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while (i + 1 < Length) {
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List[i] = i;
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}
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#pragma nounroll
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while (i < Length) {
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List[i] = i;
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}
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#pragma unroll 4
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while (i - 1 < Length) {
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List[i] = i;
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}
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#pragma unroll(8)
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while (i - 2 < Length) {
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List[i] = i;
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}
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/* expected-error {{expected ')'}} */ #pragma unroll(4
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/* expected-error {{missing argument; expected an integer value}} */ #pragma unroll()
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/* expected-warning {{extra tokens at end of '#pragma unroll'}} */ #pragma unroll 1 2
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while (i-6 < Length) {
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List[i] = i;
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}
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/* expected-warning {{extra tokens at end of '#pragma nounroll'}} */ #pragma nounroll 1
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while (i-7 < Length) {
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List[i] = i;
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}
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/* expected-error {{expected ')'}} */ #pragma unroll(()
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/* expected-error {{expected expression}} */ #pragma unroll -
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/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll(0)
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/* expected-error {{invalid value '0'; must be positive}} */ #pragma unroll 0
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/* expected-error {{value '3000000000' is too large}} */ #pragma unroll(3000000000)
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/* expected-error {{value '3000000000' is too large}} */ #pragma unroll 3000000000
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while (i-8 < Length) {
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List[i] = i;
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}
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#pragma unroll
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/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int j = Length;
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#pragma unroll 4
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/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ int k = Length;
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#pragma nounroll
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/* expected-error {{expected a for, while, or do-while loop to follow '#pragma nounroll'}} */ int l = Length;
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switch (i) {
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case 1:
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#pragma unroll
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/* expected-error {{expected a for, while, or do-while loop to follow '#pragma unroll'}} */ [[fallthrough]];
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case 2:
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for (int i = 0; i < 10; ++i);
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break;
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}
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#pragma unroll 4
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/* expected-error {{incompatible directives 'unroll(disable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(disable)
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while (i-10 < Length) {
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List[i] = i;
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}
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#pragma unroll(4)
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/* expected-error {{incompatible directives 'unroll(full)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(full)
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while (i-11 < Length) {
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List[i] = i;
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}
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#pragma unroll(4)
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/* expected-error {{incompatible directives 'unroll(enable)' and '#pragma unroll(4)'}} */ #pragma clang loop unroll(enable)
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while (i-11 < Length) {
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List[i] = i;
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}
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#pragma unroll(4)
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/* expected-error {{incompatible directives '#pragma unroll' and '#pragma unroll(4)'}} */ #pragma unroll
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while (i-11 < Length) {
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List[i] = i;
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}
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#pragma clang loop unroll_count(4)
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/* expected-error {{incompatible directives '#pragma nounroll' and 'unroll_count(4)'}} */ #pragma nounroll
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while (i-12 < Length) {
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List[i] = i;
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}
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#pragma nounroll
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/* expected-error {{duplicate directives '#pragma nounroll' and '#pragma nounroll'}} */ #pragma nounroll
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while (i-13 < Length) {
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List[i] = i;
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}
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#pragma unroll
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/* expected-error {{duplicate directives '#pragma unroll' and '#pragma unroll'}} */ #pragma unroll
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while (i-14 < Length) {
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List[i] = i;
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}
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#pragma unroll
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/* expected-error {{duplicate directives '#pragma unroll' and 'unroll(full)'}} */ #pragma clang loop unroll(full)
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while (i-15 < Length) {
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List[i] = i;
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}
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#pragma unroll 4
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/* expected-error {{duplicate directives '#pragma unroll(4)' and '#pragma unroll(4)'}} */ #pragma unroll(4)
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while (i-16 < Length) {
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List[i] = i;
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}
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#pragma unroll
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/* expected-error {{expected statement}} */ }
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