1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
3 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
5 ; Prefer a blend instruction to a vinsert128 instruction because blends
6 ; are simpler (no lane changes) and therefore will have equal or better
9 define <8 x float> @castA(<4 x float> %m) nounwind uwtable readnone ssp {
12 ; AVX-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<def>
13 ; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
14 ; AVX-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7]
16 %shuffle.i = shufflevector <4 x float> %m, <4 x float> zeroinitializer, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 4, i32 4, i32 4>
17 ret <8 x float> %shuffle.i
20 define <4 x double> @castB(<2 x double> %m) nounwind uwtable readnone ssp {
23 ; AVX-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<def>
24 ; AVX-NEXT: vxorpd %xmm1, %xmm1, %xmm1
25 ; AVX-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3]
27 %shuffle.i = shufflevector <2 x double> %m, <2 x double> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
28 ret <4 x double> %shuffle.i
31 ; AVX2 is needed for integer types.
33 define <4 x i64> @castC(<2 x i64> %m) nounwind uwtable readnone ssp {
36 ; AVX1-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<def>
37 ; AVX1-NEXT: vxorpd %xmm1, %xmm1, %xmm1
38 ; AVX1-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3]
43 ; AVX2-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<def>
44 ; AVX2-NEXT: vxorps %xmm1, %xmm1, %xmm1
45 ; AVX2-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7]
47 %shuffle.i = shufflevector <2 x i64> %m, <2 x i64> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 2>
48 ret <4 x i64> %shuffle.i
51 ; The next three tests don't need any shuffling. There may or may not be a
52 ; vzeroupper before the return, so just check for the absence of shuffles.
54 define <4 x float> @castD(<8 x float> %m) nounwind uwtable readnone ssp {
57 ; AVX-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<kill>
58 ; AVX-NEXT: vzeroupper
60 %shuffle.i = shufflevector <8 x float> %m, <8 x float> %m, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
61 ret <4 x float> %shuffle.i
64 define <2 x i64> @castE(<4 x i64> %m) nounwind uwtable readnone ssp {
67 ; AVX-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<kill>
68 ; AVX-NEXT: vzeroupper
70 %shuffle.i = shufflevector <4 x i64> %m, <4 x i64> %m, <2 x i32> <i32 0, i32 1>
71 ret <2 x i64> %shuffle.i
74 define <2 x double> @castF(<4 x double> %m) nounwind uwtable readnone ssp {
77 ; AVX-NEXT: ## kill: %xmm0<def> %xmm0<kill> %ymm0<kill>
78 ; AVX-NEXT: vzeroupper
80 %shuffle.i = shufflevector <4 x double> %m, <4 x double> %m, <2 x i32> <i32 0, i32 1>
81 ret <2 x double> %shuffle.i