This commit was manufactured by cvs2svn to create tagapple/gcc-1757

'apple-gcc-1757'.

git-svn-id: https://gcc.gnu.org/svn/gcc/tags/apple-gcc-1757@82276 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 37 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivcanon-1.c b/gcc/testsuite/gcc.dg/tree-ssa/ivcanon-1.c
new file mode 100644
index 00000000000..430a9514ca5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ivcanon-1.c
@@ -0,0 +1,37 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O2 -ftree-loop-optimize -fscalar-evolutions -funroll-loops -fdump-tree-optimized" } */
+
+void foo(void)
+{
+  int n = 16875;
+
+  while (n)
+    {
+      if (n&1)
+	bar (n);
+      n >>= 1;
+    }
+}
+
+static inline int power (long x, unsigned int n)
+{
+  long y = n % 2 ? x : 1;
+
+  while (n >>= 1)
+    {
+      x = x * x;
+      if (n % 2)
+	y = y * x;
+    }
+
+  return y;
+}
+
+void test(long x)
+{
+  bar (power (x, 10));
+  bar (power (x, 27));
+}
+
+/* All loops should be completely unrolled, so there should be no labels.  */
+/* { dg-final { scan-tree-dump-times "<L" 0 "optimized"} } */