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diff gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-pre-stats" } */
+extern int printf (const char *, ...);
+int foo(int argc, char **argv)
+{
+	int a;
+	int b;
+	int c;
+	b  = argc + 1;
+	c =  argc + 2;
+	a = b + c;
+	if (argc > 2)
+	{
+		c = argc + 3;
+	}
+	printf ("%d, %d\n", a, b + c);
+}
+/* We should eliminate one evaluation of b + c along the main path,
+   causing one reload. */
+/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */