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diff --git a/test/CodeGen/X86/x86-64-shortint.ll b/test/CodeGen/X86/x86-64-shortint.ll
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+++ b/test/CodeGen/X86/x86-64-shortint.ll
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+; RUN: llvm-as < %s | llc | grep movswl
+
+target datalayout = "e-p:64:64"
+target triple = "x86_64-apple-darwin8"
+
+
+define void @bar(i16 zext %A) {
+ tail call void @foo( i16 %A sext )
+ ret void
+}
+declare void @foo(i16 sext )
+