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diff gcc/testsuite/gcc.dg/strict-overflow-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/strict-overflow-3.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-fstrict-overflow -O2 -fdump-tree-optimized" } */
+
+/* Source: Ian Lance Taylor.  Dual of no-strict-overflow-3.c.  */
+
+/* We can only simplify the conditional when using strict overflow
+   semantics.  */
+
+int
+foo (int i, int j)
+{
+  return i + 100 < j + 1000;
+}
+
+/* { dg-final { scan-tree-dump-not "1000" "optimized" } } */