1 ; Tests for SSE1 and below, without SSE2+.
2 ; RUN: llc < %s -march=x86 -mcpu=pentium3 -O3 | FileCheck %s
3 ; RUN: llc < %s -march=x86-64 -mcpu=pentium3 -O3 | FileCheck %s
5 define <8 x i16> @test1(<8 x i32> %a) nounwind {
7 ret <8 x i16> zeroinitializer
10 define <8 x i16> @test2(<8 x i32> %a) nounwind {
12 %c = trunc <8 x i32> %a to <8 x i16> ; <<8 x i16>> [#uses=1]
17 ;define <4 x i32> @test3(<4 x i16> %a) nounwind {
18 ; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1]
22 ; This should not emit shuffles to populate the top 2 elements of the 4-element
23 ; vector that this ends up returning.
25 define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind {
27 %tmp7 = extractelement <2 x float> %A, i32 0
28 %tmp5 = extractelement <2 x float> %A, i32 1
29 %tmp3 = extractelement <2 x float> %B, i32 0
30 %tmp1 = extractelement <2 x float> %B, i32 1
31 %add.r = fadd float %tmp7, %tmp3
32 %add.i = fsub float %tmp5, %tmp1
33 %tmp11 = insertelement <2 x float> undef, float %add.r, i32 0
34 %tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1
37 ; CHECK-NOT: shufps $16
39 ; CHECK-NOT: shufps $16
41 ; CHECK-NOT: shufps $16
43 ; CHECK-NOT: shufps $16