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[x86] add test for insert/extract binop; NFC 

This pattern is visible in the c-ray benchmark with an AVX target.

llvm-svn: 360582
This commit is contained in:
Sanjay Patel 2019-05-13 13:32:16 +00:00
parent 5987749e33
commit 83e61bc5e2
1 changed files with 53 additions and 0 deletions
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53
llvm/test/CodeGen/X86/vector-narrow-binop.ll
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@ -163,3 +163,56 @@ define <2 x i8> @PR39893_2(<2 x float> %x) {
ret <2 x i8> %shuffle
}
define <4 x double> @fmul_v2f64(<2 x double> %x, <2 x double> %y) {
; SSE-LABEL: fmul_v2f64:
; SSE: # %bb.0:
; SSE-NEXT: movapd %xmm1, %xmm2
; SSE-NEXT: unpcklpd {{.*#+}} xmm2 = xmm2[0],xmm0[0]
; SSE-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE-NEXT: mulpd %xmm0, %xmm0
; SSE-NEXT: mulpd %xmm2, %xmm2
; SSE-NEXT: addpd %xmm0, %xmm2
; SSE-NEXT: unpckhpd {{.*#+}} xmm2 = xmm2[1,1]
; SSE-NEXT: movapd %xmm2, %xmm0
; SSE-NEXT: retq
;
; AVX1-LABEL: fmul_v2f64:
; AVX1: # %bb.0:
; AVX1-NEXT: vunpckhpd {{.*#+}} xmm2 = xmm0[1],xmm1[1]
; AVX1-NEXT: vmovlhps {{.*#+}} xmm0 = xmm1[0],xmm0[0]
; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX1-NEXT: vmulpd %ymm0, %ymm0, %ymm0
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX1-NEXT: vaddpd %xmm1, %xmm0, %xmm0
; AVX1-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
; AVX1-NEXT: retq
;
; AVX2-LABEL: fmul_v2f64:
; AVX2: # %bb.0:
; AVX2-NEXT: vunpckhpd {{.*#+}} xmm2 = xmm0[1],xmm1[1]
; AVX2-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm1[0],xmm0[0]
; AVX2-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX2-NEXT: vmulpd %ymm0, %ymm0, %ymm0
; AVX2-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX2-NEXT: vaddpd %xmm1, %xmm0, %xmm0
; AVX2-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
; AVX2-NEXT: retq
;
; AVX512-LABEL: fmul_v2f64:
; AVX512: # %bb.0:
; AVX512-NEXT: vunpckhpd {{.*#+}} xmm2 = xmm0[1],xmm1[1]
; AVX512-NEXT: vunpcklpd {{.*#+}} xmm0 = xmm1[0],xmm0[0]
; AVX512-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0
; AVX512-NEXT: vmulpd %ymm0, %ymm0, %ymm0
; AVX512-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX512-NEXT: vaddpd %xmm1, %xmm0, %xmm0
; AVX512-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
; AVX512-NEXT: retq
%s = shufflevector <2 x double> %x, <2 x double> %y, <4 x i32> <i32 2, i32 0, i32 1, i32 3>
%bo = fmul fast <4 x double> %s, %s
%ext = shufflevector <4 x double> %bo, <4 x double> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
%add = fadd fast <4 x double> %bo, %ext
%rdx = shufflevector <4 x double> %add, <4 x double> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
ret <4 x double> %rdx
}