================
@@ -0,0 +1,41 @@
+// RUN: %libomp-compile -fopenmp-version=61 && %libomp-run \
+// RUN: | FileCheck %s --match-full-lines
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+ int I = -1;
+ int J = -1;
+
+#pragma omp flatten
+ for (I = 0; I < 2; ++I)
+ for (J = 0; J < 3; ++J)
+ if (I == 1 && J == 2)
+ continue;
+
+ printf("i=%d j=%d\n", I, J);
+
+#pragma omp flatten
+ for (I = 5; I > 0; I -= 2)
+ for (J = 7; J > 1; J -= 3)
+ ;
+
+ printf("descending-i=%d descending-j=%d\n", I, J);
+
+ // An empty inner loop executes no body, but the outer loop still runs to
+ // completion, so 'I' reaches its final value while 'J' keeps the value from
+ // its initialization.
+ int Zero = 0;
+#pragma omp flatten
+ for (I = 0; I < 3; ++I)
+ for (J = 0; J < Zero; ++J)
+ ;
+
+ printf("empty-inner-i=%d empty-inner-j=%d\n", I, J);
+ return EXIT_SUCCESS;
+}
+
+// CHECK: i=2 j=3
----------------
Meinersbur wrote:
[nit] Variable names are upper case but printed lower case?
https://github.com/llvm/llvm-project/pull/206977
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