[clang] [llvm] [Offload][Tests] Non-contiguous_update_to_tests (PR #169623)

[Shilei Tian via llvm-commits]

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@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
+// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
+
+int main(int argc, char **argv) {
+  int len = 12;
+  double data1[len], data2[len];
+
+  // Valid multiple strided array sections
+  #pragma omp target update to(data1[0:4:2], data2[0:2:5]) // OK
+  {}
+
+  // Mixed strided and regular array sections
+  #pragma omp target update to(data1[0:len], data2[0:4:2]) // OK
+  {}
+
+  // Invalid stride in one of multiple sections
+  #pragma omp target update to(data1[0:3:4], data2[0:2:0]) // expected-error {{section stride is evaluated to a non-positive value 0}}
+  {}
+
+  // Missing colon 
+  #pragma omp target update to(data1[0:4:2], data2[0:3 4]) // expected-error {{expected ']'}} expected-note {{to match this '['}}
+  {}
+
+  return 0;
+}
+
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shiltian wrote:

you added two empty lines here.

https://github.com/llvm/llvm-project/pull/169623