| // RUN: %libomp-compile-and-run |
| |
| // Non-rectangular loop collapsing. |
| // |
| // Nested loops conform to OpenMP 5.2 standard, |
| // inner loops bounds may depend on outer loops induction variables. |
| |
| #define LOOP_TYPES int |
| #define COMPARE0 < |
| #define COMPARE1 <= |
| #define COMPARE2 >= |
| #define LOOP \ |
| for (i = iLB; i COMPARE0 iUB; i += iStep) \ |
| for (j = jA0; j COMPARE1 jB0; j += jStep) \ |
| for (k = kA0; k COMPARE2 kB0; k += kStep) |
| #include "collapse_test.inc" |
| |
| int main() { |
| int fail; |
| |
| iLB = -2; |
| iUB = 3; |
| jA0 = -3; |
| jA1 = 0; |
| jB0 = -6; |
| jB1 = 0; |
| kA0 = -2; |
| kA1 = 0; |
| kB0 = -4; |
| kB1 = 0; |
| iStep = -1; |
| jStep = -1; |
| kStep = -4; |
| PRINTF("\nOne off iLB=%d; iUB=%d; jA0=%d; jA1=%d; jB0=%d; jB1=%d; kA0=%d; " |
| "kA1=%d; kB0=%d; kB1=%d; iStep=%d; jStep=%d; kStep=%d;\n", |
| iLB, iUB, jA0, jA1, jB0, jB1, kA0, kA1, kB0, kB1, iStep, jStep, kStep); |
| fail = (test() == 0); |
| |
| if (!fail) { |
| |
| for (iStep = 2; iStep <= 6; iStep += 2) { |
| for (jA0 = -6; jA0 <= 6; jA0 += 3) { |
| for (jB0 = -3; jB0 <= 10; jB0 += 3) { |
| for (jStep = 1; jStep <= 10; jStep += 2) { |
| for (kA0 = -2; kA0 <= 4; ++kA0) { |
| for (kB0 = -4; kB0 <= 2; ++kB0) { |
| for (kStep = -2; kStep >= -10; kStep -= 4) { |
| { |
| PRINTF("\nTrying iLB=%d; iUB=%d; jA0=%d; jA1=%d; jB0=%d; " |
| "jB1=%d; kA0=%d; kA1=%d; kB0=%d; kB1=%d; iStep=%d; " |
| "jStep=%d; kStep=%d;\n", |
| iLB, iUB, jA0, jA1, jB0, jB1, kA0, kA1, kB0, kB1, |
| iStep, jStep, kStep); |
| fail = fail || (test() == 0); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| return fail; |
| } |
