1 ; Tests for SSE1 and below, without SSE2+.
2 ; RUN: llc < %s -mtriple=i386-unknown-unknown -march=x86 -mcpu=pentium3 -O3 | FileCheck %s
3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -march=x86-64 -mattr=-sse2,+sse -O3 | FileCheck %s
6 ;define <4 x i32> @test3(<4 x i16> %a) nounwind {
7 ; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1]
11 ; This should not emit shuffles to populate the top 2 elements of the 4-element
12 ; vector that this ends up returning.
14 define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind {
16 ; CHECK: # BB#0: # %entry
17 ; CHECK-NEXT: movaps %xmm0, %xmm2
18 ; CHECK-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,1,2,3]
19 ; CHECK-NEXT: addss %xmm1, %xmm0
20 ; CHECK-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,2,3]
21 ; CHECK-NEXT: subss %xmm1, %xmm2
22 ; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1]
25 %tmp7 = extractelement <2 x float> %A, i32 0
26 %tmp5 = extractelement <2 x float> %A, i32 1
27 %tmp3 = extractelement <2 x float> %B, i32 0
28 %tmp1 = extractelement <2 x float> %B, i32 1
29 %add.r = fadd float %tmp7, %tmp3
30 %add.i = fsub float %tmp5, %tmp1
31 %tmp11 = insertelement <2 x float> undef, float %add.r, i32 0
32 %tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1
36 ; We used to get stuck in type legalization for this example when lowering the
37 ; vselect. With SSE1 v4f32 is a legal type but v4i1 (or any vector integer type)
38 ; is not. We used to ping pong between splitting the vselect for the v4i
39 ; condition operand and widening the resulting vselect for the v4f32 result.
42 define <4 x float> @vselect(<4 x float>*%p, <4 x i32> %q) {
43 ; CHECK-LABEL: vselect:
46 %a1 = icmp eq <4 x i32> %q, zeroinitializer
47 %a14 = select <4 x i1> %a1, <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+0> , <4 x float> zeroinitializer