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; RUN: llc < %s -mtriple=x86_64-linux -mcpu=nehalem | FileCheck %s
; CHECK-NOT: mov
; CHECK: paddw
; CHECK-NOT: mov
; CHECK: paddw
; CHECK-NOT: paddw
; CHECK-NOT: mov
; The 2-addr pass should ensure that identical code is produced for these functions
; no extra copy should be generated.
define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind {
entry:
%tmp6 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp8 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]
%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp10
}
define <2 x i64> @test2(<2 x i64> %x, <2 x i64> %y) nounwind {
entry:
%tmp6 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp8 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]
%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp10
}
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