================
@@ -0,0 +1,114 @@
+// This test checks that #pragma omp target update from(data1[0:6:2],
+// data2[0:4:3]) correctly updates strided sections covering full arrays
+// from the device to the host using dynamically allocated memory.
+
+// RUN: %libomptarget-compile-run-and-check-generic
+#include <omp.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+ int len = 12;
+ double *data1 = (double *)calloc(len, sizeof(double));
+ double *data2 = (double *)calloc(len, sizeof(double));
+
+// Initial values
+#pragma omp target map(tofrom : data1[0 : len], data2[0 : len])
+ {
+ for (int i = 0; i < len; i++) {
+ data1[i] = i;
+ data2[i] = i * 10;
+ }
+ }
+
+ printf("original host array values:\n");
+ printf("data1:\n");
+ for (int i = 0; i < len; i++)
+ printf("%.1f\n", data1[i]);
+ printf("data2:\n");
+ for (int i = 0; i < len; i++)
+ printf("%.1f\n", data2[i]);
+
+#pragma omp target data map(to : data1[0 : len], data2[0 : len])
+ {
+#pragma omp target
+ {
+ for (int i = 0; i < len; i++)
+ data1[i] += i;
+ for (int i = 0; i < len; i++)
+ data2[i] += 100;
+ }
+
+// data1[0:6:2] covers all even indices: 0,2,4,6,8,10 (6 elements)
+// data2[0:4:3] covers every 3rd: 0,3,6,9 (4 elements)
+#pragma omp target update from(data1[0 : 6 : 2], data2[0 : 4 : 3])
+ }
+
+ printf("device array values after update from:\n");
+ printf("data1:\n");
+ for (int i = 0; i < len; i++)
+ printf("%.1f\n", data1[i]);
+ printf("data2:\n");
+ for (int i = 0; i < len; i++)
+ printf("%.1f\n", data2[i]);
+
+ // CHECK: original host array values:
+ // CHECK-NEXT: data1:
+ // CHECK-NEXT: 0.0
+ // CHECK-NEXT: 1.0
+ // CHECK-NEXT: 2.0
+ // CHECK-NEXT: 3.0
+ // CHECK-NEXT: 4.0
+ // CHECK-NEXT: 5.0
+ // CHECK-NEXT: 6.0
+ // CHECK-NEXT: 7.0
+ // CHECK-NEXT: 8.0
+ // CHECK-NEXT: 9.0
+ // CHECK-NEXT: 10.0
+ // CHECK-NEXT: 11.0
+ // CHECK-NEXT: data2:
+ // CHECK-NEXT: 0.0
+ // CHECK-NEXT: 10.0
+ // CHECK-NEXT: 20.0
+ // CHECK-NEXT: 30.0
+ // CHECK-NEXT: 40.0
+ // CHECK-NEXT: 50.0
+ // CHECK-NEXT: 60.0
+ // CHECK-NEXT: 70.0
+ // CHECK-NEXT: 80.0
+ // CHECK-NEXT: 90.0
+ // CHECK-NEXT: 100.0
+ // CHECK-NEXT: 110.0
+
+ // CHECK: device array values after update from:
+ // CHECK-NEXT: data1:
+ // CHECK-NEXT: 0.0
+ // CHECK-NEXT: 1.0
+ // CHECK-NEXT: 4.0
+ // CHECK-NEXT: 3.0
+ // CHECK-NEXT: 8.0
+ // CHECK-NEXT: 5.0
+ // CHECK-NEXT: 12.0
+ // CHECK-NEXT: 7.0
+ // CHECK-NEXT: 16.0
+ // CHECK-NEXT: 9.0
+ // CHECK-NEXT: 20.0
+ // CHECK-NEXT: 11.0
+ // CHECK-NEXT: data2:
+ // CHECK-NEXT: 100.0
+ // CHECK-NEXT: 10.0
+ // CHECK-NEXT: 20.0
+ // CHECK-NEXT: 130.0
+ // CHECK-NEXT: 40.0
+ // CHECK-NEXT: 50.0
+ // CHECK-NEXT: 160.0
+ // CHECK-NEXT: 70.0
+ // CHECK-NEXT: 80.0
+ // CHECK-NEXT: 190.0
+ // CHECK-NEXT: 100.0
+ // CHECK-NEXT: 110.0
+
+ free(data1);
+ free(data2);
+ return 0;
+}
----------------
amitamd7 wrote:
Fixed for all the tests.
https://github.com/llvm/llvm-project/pull/157443
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