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-rw-r--r--test/codegen/shortcircuit.go17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/codegen/shortcircuit.go b/test/codegen/shortcircuit.go
new file mode 100644
index 0000000..e971dca
--- /dev/null
+++ b/test/codegen/shortcircuit.go
@@ -0,0 +1,17 @@
+// asmcheck
+
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package codegen
+
+func efaceExtract(e interface{}) int {
+ // This should be compiled with only
+ // a single conditional jump.
+ // amd64:-"JMP"
+ if x, ok := e.(int); ok {
+ return x
+ }
+ return 0
+}