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Diffstat (limited to 'gcc/testsuite/gcc.dg/predict-5.c')
-rw-r--r--gcc/testsuite/gcc.dg/predict-5.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/predict-5.c b/gcc/testsuite/gcc.dg/predict-5.c
new file mode 100644
index 0000000000..f2fe339b6c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/predict-5.c
@@ -0,0 +1,25 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-profile_estimate" } */
+
+extern int global;
+
+int bar (int);
+
+void foo (int base, int bound)
+{
+ int i, ret = 0;
+ for (i = base; i <= bound; i++)
+ {
+ if (i > base)
+ global += bar (i);
+ if (i > base + 1)
+ global += bar (i);
+ if (i >= base + 3)
+ global += bar (i);
+ if (i - 2 >= base)
+ global += bar (i);
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "loop iv compare heuristics: 100.0%" 4 "profile_estimate"} } */
+/* { dg-final { cleanup-tree-dump "profile_estimate" } } */