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-rw-r--r--gcc/testsuite/gcc.dg/predict-1.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/predict-1.c b/gcc/testsuite/gcc.dg/predict-1.c
new file mode 100644
index 0000000..e7f4618
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/predict-1.c
@@ -0,0 +1,54 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+extern int global;
+
+int bar(int);
+
+void foo (int bound)
+{
+ int i, ret = 0;
+ for (i = 0; i < bound; i++)
+ {
+ if (i > bound)
+ global += bar (i);
+ if (i >= bound + 2)
+ global += bar (i);
+ if (i > bound - 2)
+ global += bar (i);
+ if (i + 2 > bound)
+ global += bar (i);
+ if (i == 10)
+ global += bar (i);
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "loop iv compare heuristics: 0.0%" 5 "profile_estimate"} } */
+/* { dg-final { cleanup-tree-dump "profile_estimate" } } */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+extern int global;
+
+int bar(int);
+
+void foo (int bound)
+{
+ int i, ret = 0;
+ for (i = 0; i < bound; i++)
+ {
+ if (i > bound)
+ global += bar (i);
+ if (i >= bound + 2)
+ global += bar (i);
+ if (i > bound - 2)
+ global += bar (i);
+ if (i + 2 > bound)
+ global += bar (i);
+ if (i == 10)
+ global += bar (i);
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "loop iv compare heuristics: 0.0%" 5 "profile_estimate"} } */
+/* { dg-final { cleanup-tree-dump "profile_estimate" } } */