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Diffstat (limited to 'gcc/testsuite/gcc.dg/graphite/pr42771.c')
-rw-r--r--gcc/testsuite/gcc.dg/graphite/pr42771.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/graphite/pr42771.c b/gcc/testsuite/gcc.dg/graphite/pr42771.c
new file mode 100644
index 00000000000..505fda7eb73
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/pr42771.c
@@ -0,0 +1,19 @@
+/* { dg-options "-O3 -fgraphite-identity" } */
+
+extern int *A;
+extern int B[][4];
+extern void bar(void);
+
+void foo(int im, int jm, int cond)
+{
+ int i, j;
+ if (cond) {
+ for (i = 0; i < 256; i++)
+ A[i] = 0;
+ bar();
+ }
+ for (i = 0; i < im; i++)
+ for (j = 1; j < jm; j++)
+ if (jm != 8 || j != jm >> 1)
+ B[j][0] ^= B[j-1][0];
+}