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1; RUN: llc < %s -mtriple=x86_64-linux -mcpu=nehalem | FileCheck %s2; CHECK-NOT: mov3; CHECK: paddw4; CHECK-NOT: mov5; CHECK: paddw6; CHECK-NOT: paddw7; CHECK-NOT: mov8 9; The 2-addr pass should ensure that identical code is produced for these functions10; no extra copy should be generated.11 12define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind {13entry:14 %tmp6 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]15 %tmp8 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]16 %tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]17 %tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]18 ret <2 x i64> %tmp1019}20 21define <2 x i64> @test2(<2 x i64> %x, <2 x i64> %y) nounwind {22entry:23 %tmp6 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]24 %tmp8 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]25 %tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]26 %tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]27 ret <2 x i64> %tmp1028}29