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-rw-r--r--tests/run-make/pgo-branch-weights/interesting.rs40
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/run-make/pgo-branch-weights/interesting.rs b/tests/run-make/pgo-branch-weights/interesting.rs
new file mode 100644
index 000000000..a26d6fd69
--- /dev/null
+++ b/tests/run-make/pgo-branch-weights/interesting.rs
@@ -0,0 +1,40 @@
+#![crate_name="interesting"]
+#![crate_type="rlib"]
+
+extern crate opaque;
+
+#[no_mangle]
+#[inline(never)]
+pub fn function_called_twice(c: char) {
+ if c == '2' {
+ // This branch is taken twice
+ opaque::f1();
+ } else {
+ // This branch is never taken
+ opaque::f2();
+ }
+}
+
+#[no_mangle]
+#[inline(never)]
+pub fn function_called_42_times(c: char) {
+ if c == 'a' {
+ // This branch is taken 12 times
+ opaque::f1();
+ } else {
+
+ if c == 'b' {
+ // This branch is taken 28 times
+ opaque::f2();
+ } else {
+ // This branch is taken 2 times
+ opaque::f3();
+ }
+ }
+}
+
+#[no_mangle]
+#[inline(never)]
+pub fn function_called_never(_: char) {
+ opaque::f1();
+}