Add testcase for PR 110444

This testcase was fixed after r14-2135-gd915762ea9043da85 and
there was no testcase for it before so adding one is a good thing.

Committed as obvious after testing the testcase to make sure it works.

gcc/testsuite/ChangeLog:

	PR tree-optimization/110444
	* gcc.c-torture/compile/pr110444-1.c: New test.

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr110444-1.c b/gcc/testsuite/gcc.c-torture/compile/pr110444-1.c
new file mode 100644 (file)
index 0000000..1cdb400
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr110444-1.c
@@ -0,0 +1,11 @@
+/* This used to ICE after SLP during match-and-simplify
+   as real_can_shorten_arithmetic was called with the vector
+   mode.  */
+void f(float *a, float *b, float *c, int size)
+{
+  float t[2];
+  t[0] = b[0] - (float)__builtin_pow(c[0], 2);
+  t[1] = b[1] - (float)__builtin_pow(c[1], 2);
+  a[0] = t[0];
+  a[1] = t[1];
+}