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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-8.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-8.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-8.c
new file mode 100644
index 000000000..436379cb2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-8.c
@@ -0,0 +1,29 @@
+/* Verify -mpatch-functions-for-instrumentation works. */
+/* { dg-do run } */
+/* { dg-require-effective-target lp64 } */
+
+/* -O2 forces a sibling call for foo from bar. */
+/* { dg-options "-O2 -mpatch-functions-for-instrumentation --param function-patch-min-instructions=0" } */
+
+__attribute__ ((noinline))
+int foo()
+{
+ /* Dummy loop. */
+ int x = 10;
+ int y = 100;
+ while (--x)
+ ++y;
+ return y;
+}
+
+__attribute__ ((noinline))
+int bar()
+{
+ return foo();
+}
+
+int main()
+{
+ bar();
+ return 0;
+}