1 ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s
3 ; Check that a <4 x float> compare is generated and that we are
4 ; not stuck in an endless loop.
6 define void @cmp_2_floats() {
7 ; CHECK-LABEL: cmp_2_floats:
8 ; CHECK: # BB#0: # %entry
9 ; CHECK-NEXT: cmpordps %xmm0, %xmm0
10 ; CHECK-NEXT: pmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero
11 ; CHECK-NEXT: psllq $32, %xmm0
12 ; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,1,3,3]
13 ; CHECK-NEXT: psrad $31, %xmm0
14 ; CHECK-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3],xmm1[4,5],xmm0[6,7]
15 ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
16 ; CHECK-NEXT: pslld $31, %xmm0
17 ; CHECK-NEXT: blendvps %xmm0, %xmm0
18 ; CHECK-NEXT: movlps %xmm0, (%rax)
21 %0 = fcmp oeq <2 x float> undef, undef
22 %1 = select <2 x i1> %0, <2 x float> undef, <2 x float> undef
23 store <2 x float> %1, <2 x float>* undef
27 define void @cmp_2_doubles() {
28 ; CHECK-LABEL: cmp_2_doubles:
29 ; CHECK: # BB#0: # %entry
30 ; CHECK-NEXT: cmpordpd %xmm0, %xmm0
31 ; CHECK-NEXT: blendvpd %xmm0, %xmm0
32 ; CHECK-NEXT: movapd %xmm0, (%rax)
35 %0 = fcmp oeq <2 x double> undef, undef
36 %1 = select <2 x i1> %0, <2 x double> undef, <2 x double> undef
37 store <2 x double> %1, <2 x double>* undef
41 define void @mp_11193(<8 x float> * nocapture %aFOO, <8 x float>* nocapture %RET) nounwind {
42 ; CHECK-LABEL: mp_11193:
43 ; CHECK: # BB#0: # %allocas
44 ; CHECK-NEXT: movaps {{.*#+}} xmm0 = [3.000000e+00,3.000000e+00,3.000000e+00,3.000000e+00]
45 ; CHECK-NEXT: movaps {{.*#+}} xmm1 = [9.000000e+00,1.000000e+00,9.000000e+00,1.000000e+00]
46 ; CHECK-NEXT: cmpltps %xmm0, %xmm1
47 ; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
48 ; CHECK-NEXT: pshufb %xmm2, %xmm1
49 ; CHECK-NEXT: movaps {{.*#+}} xmm3 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
50 ; CHECK-NEXT: cmpltps %xmm0, %xmm3
51 ; CHECK-NEXT: pshufb %xmm2, %xmm3
52 ; CHECK-NEXT: punpcklqdq {{.*#+}} xmm3 = xmm3[0],xmm1[0]
53 ; CHECK-NEXT: psllw $15, %xmm3
54 ; CHECK-NEXT: psraw $15, %xmm3
55 ; CHECK-NEXT: pextrb $0, %xmm3, %eax
56 ; CHECK-NEXT: shlb $7, %al
57 ; CHECK-NEXT: sarb $7, %al
58 ; CHECK-NEXT: movsbl %al, %eax
59 ; CHECK-NEXT: xorps %xmm0, %xmm0
60 ; CHECK-NEXT: cvtsi2ssl %eax, %xmm0
61 ; CHECK-NEXT: movss %xmm0, (%rsi)
64 %bincmp = fcmp olt <8 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 9.000000e+00, float 1.000000e+00, float 9.000000e+00, float 1.000000e+00> , <float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00, float 3.000000e+00>
65 %t = extractelement <8 x i1> %bincmp, i32 0
66 %ft = sitofp i1 %t to float
67 %pp = bitcast <8 x float>* %RET to float*
68 store float %ft, float* %pp