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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
new file mode 100644
index 000000000..4be6049e9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c
@@ -0,0 +1,32 @@
+/* { dg-options "-O2 -fno-inline-functions" } */
+/* { dg-do run } */
+/* When there are no call-clobbered variables, we should still create
+ a .GLOBAL_VAR to model the side effects of functions. Without it,
+ we were moving the call to Faref() inside the second call to
+ Faset(). */
+extern void abort (void);
+extern void exit (int);
+
+main ()
+{
+ int table, c, elt;
+ int tem = Faref (table, elt);
+ Faset (table, elt, c);
+ Faset (table, c, tem);/* tem cannot be replaced with Faref (table, elt) */
+ exit (0);
+}
+
+int j = 0;
+
+int __attribute__ ((noinline)) Faref (table, elt)
+{
+ j = 1;
+ return 0;
+}
+
+int __attribute__ ((noinline)) Faset (table, elt, c)
+{
+ if (j != 1)
+ abort ();
+ return 0;
+}