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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-1.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-1.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-1.c
new file mode 100644
index 000000000..aa40d443b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-1.c
@@ -0,0 +1,22 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-lim" } */
+
+/* This is a variant that does cause fold to place a cast to
+ int before testing bit 1. */
+
+void
+quantum_toffoli (int control1, int control2, int target,
+ unsigned long *state, int size)
+{
+ int i;
+
+ for(i=0; i<size; i++)
+ {
+ if (state[i] & ((unsigned long) 1 << control1))
+ if (state[i] & ((unsigned long) 1 << control2))
+ state[i] ^= ((unsigned long) 1 << target);
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "1 <<" 3 "lim1" } } */
+/* { dg-final { cleanup-tree-dump "lim\[1-2\]" } } */