| 1 | // RUN: %libomp-compile-and-run |
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| 2 | |
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| 3 | // Non-rectangular loop collapsing. |
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| 4 | // |
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| 5 | // Nested loops conform to OpenMP 5.2 standard, |
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| 6 | // inner loops bounds may depend on outer loops induction variables. |
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| 7 | |
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| 8 | #define LOOP_TYPES int |
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| 9 | #define COMPARE0 > |
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| 10 | #define COMPARE1 >= |
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| 11 | #define COMPARE2 > |
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| 12 | |
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| 13 | #define DLOOP_GT0 |
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| 14 | #define DLOOP_GE1 |
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| 15 | #define DLOOP_GT2 |
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| 16 | |
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| 17 | #define LOOP \ |
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| 18 | for (i = iLB; i COMPARE0 iUB; i += iStep) \ |
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| 19 | for (j = jA0; j COMPARE1 jB0; j += jStep) \ |
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| 20 | for (k = kA0; k COMPARE2 kB0; k += kStep) |
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| 21 | #include "collapse_test.inc" |
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| 22 | |
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| 23 | int main() { |
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| 24 | int fail; |
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| 25 | |
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| 26 | iLB = 3; |
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| 27 | iUB = -2; |
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| 28 | jA0 = -3; |
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| 29 | jA1 = 0; |
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| 30 | jB0 = -6; |
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| 31 | jB1 = 0; |
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| 32 | kA0 = -2; |
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| 33 | kA1 = 0; |
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| 34 | kB0 = -4; |
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| 35 | kB1 = 0; |
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| 36 | iStep = -1; |
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| 37 | jStep = -1; |
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| 38 | kStep = -4; |
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| 39 | PRINTF("\nOne off iLB=%d; iUB=%d; jA0=%d; jA1=%d; jB0=%d; jB1=%d; kA0=%d; " |
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| 40 | "kA1=%d; kB0=%d; kB1=%d; iStep=%d; jStep=%d; kStep=%d;\n" , |
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| 41 | iLB, iUB, jA0, jA1, jB0, jB1, kA0, kA1, kB0, kB1, iStep, jStep, kStep); |
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| 42 | fail = (test() == 0); |
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| 43 | |
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| 44 | if (!fail) { |
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| 45 | |
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| 46 | for (iStep = -3; iStep >= -6; iStep -= 2) { |
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| 47 | for (jA0 = -3; jA0 <= 10; jA0 += 3) { |
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| 48 | for (jB0 = -6; jB0 <= 6; jB0 += 3) { |
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| 49 | for (jStep = -1; jStep >= -10; jStep -= 2) { |
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| 50 | for (kA0 = -2; kA0 <= 4; ++kA0) { |
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| 51 | for (kB0 = -4; kB0 <= 2; ++kB0) { |
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| 52 | for (kStep = -2; kStep >= -10; kStep -= 4) { |
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| 53 | { |
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| 54 | PRINTF("\nTrying iLB=%d; iUB=%d; jA0=%d; jA1=%d; jB0=%d; " |
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| 55 | "jB1=%d; kA0=%d; kA1=%d; kB0=%d; kB1=%d; iStep=%d; " |
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| 56 | "jStep=%d; kStep=%d;\n" , |
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| 57 | iLB, iUB, jA0, jA1, jB0, jB1, kA0, kA1, kB0, kB1, |
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| 58 | iStep, jStep, kStep); |
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| 59 | fail = fail || (test() == 0); |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | } |
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| 65 | } |
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| 66 | } |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | return fail; |
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| 71 | } |
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| 72 | |
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