test/CodeGen/X86/x86-64-arg.ll

; RUN: llvm-as < %s | llc | grep 'movl %edi, %eax'
; The input value is already sign extended, don't re-extend it.
; This testcase corresponds to:
;   int test(short X) { return (int)X; }

target datalayout = "e-p:64:64"
target triple = "x86_64-apple-darwin8"

implementation   ; Functions:

define i32 @test(i16 sext  %X) {
entry:
        %tmp12 = sext i16 %X to i32             ; <i32> [#uses=1]
        ret i32 %tmp12
}