1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mcpu=skx | FileCheck %s --check-prefixes=CHECK,CHECK-SKX
3 ; RUN: llc < %s -mcpu=knl | FileCheck %s --check-prefixes=CHECK,CHECK-KNL
5 target triple = "x86_64-unknown-unknown"
7 define <8 x i64> @test1(<8 x i64> %m, <8 x i64> %a, <8 x i64> %b) {
8 ; CHECK-SKX-LABEL: test1:
9 ; CHECK-SKX: # %bb.0: # %entry
10 ; CHECK-SKX-NEXT: vpsllq $63, %zmm0, %zmm0
11 ; CHECK-SKX-NEXT: vpmovq2m %zmm0, %k1
12 ; CHECK-SKX-NEXT: vpblendmq %zmm1, %zmm2, %zmm0 {%k1}
13 ; CHECK-SKX-NEXT: retq
15 ; CHECK-KNL-LABEL: test1:
16 ; CHECK-KNL: # %bb.0: # %entry
17 ; CHECK-KNL-NEXT: vpsllq $63, %zmm0, %zmm0
18 ; CHECK-KNL-NEXT: vptestmq %zmm0, %zmm0, %k1
19 ; CHECK-KNL-NEXT: vpblendmq %zmm1, %zmm2, %zmm0 {%k1}
20 ; CHECK-KNL-NEXT: retq
22 %m.trunc = trunc <8 x i64> %m to <8 x i1>
23 %ret = select <8 x i1> %m.trunc, <8 x i64> %a, <8 x i64> %b
27 ; This is a very contrived test case to trick the legalizer into splitting the
28 ; v16i1 masks in the select during type legalization, and in so doing extend them
29 ; into two v8i64 types. This lets us ensure that the lowering code can handle
30 ; both formulations of vselect. All of this trickery is because we can't
31 ; directly form an SDAG input to the lowering.
32 define <16 x double> @test2(<16 x float> %x, <16 x float> %y, <16 x double> %a, <16 x double> %b) {
34 ; CHECK: # %bb.0: # %entry
35 ; CHECK-NEXT: vxorps %xmm6, %xmm6, %xmm6
36 ; CHECK-NEXT: vcmpltps %zmm0, %zmm6, %k0
37 ; CHECK-NEXT: vcmpltps %zmm6, %zmm1, %k1
38 ; CHECK-NEXT: korw %k1, %k0, %k1
39 ; CHECK-NEXT: vblendmpd %zmm2, %zmm4, %zmm0 {%k1}
40 ; CHECK-NEXT: kshiftrw $8, %k1, %k1
41 ; CHECK-NEXT: vblendmpd %zmm3, %zmm5, %zmm1 {%k1}
44 %gt.m = fcmp ogt <16 x float> %x, zeroinitializer
45 %lt.m = fcmp olt <16 x float> %y, zeroinitializer
46 %m.or = or <16 x i1> %gt.m, %lt.m
47 %ret = select <16 x i1> %m.or, <16 x double> %a, <16 x double> %b
48 ret <16 x double> %ret