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[X86][SSE] Add test case from PR32160 

llvm-svn: 321620
This commit is contained in:
Simon Pilgrim 2018-01-01 13:04:04 +00:00
parent c06596ced4
commit e337268df7
1 changed files with 77 additions and 0 deletions
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77
llvm/test/CodeGen/X86/vector-trunc.ll
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@ -1852,6 +1852,83 @@ entry:
ret <16 x i8> %1
}
define <8 x i16> @PR32160(<8 x i32> %x) {
; SSE2-LABEL: PR32160:
; SSE2: # %bb.0:
; SSE2-NEXT: pslld $16, %xmm1
; SSE2-NEXT: psrad $16, %xmm1
; SSE2-NEXT: pslld $16, %xmm0
; SSE2-NEXT: psrad $16, %xmm0
; SSE2-NEXT: packssdw %xmm1, %xmm0
; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: PR32160:
; SSSE3: # %bb.0:
; SSSE3-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,4,6,7]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,2,2,2]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: PR32160:
; SSE41: # %bb.0:
; SSE41-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,4,6,7]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,2,2,2]
; SSE41-NEXT: retq
;
; AVX1-LABEL: PR32160:
; AVX1: # %bb.0:
; AVX1-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[8,9,8,9,8,9,8,9,8,9,8,9,8,9,8,9]
; AVX1-NEXT: vzeroupper
; AVX1-NEXT: retq
;
; AVX2-LABEL: PR32160:
; AVX2: # %bb.0:
; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; AVX2-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; AVX2-NEXT: vpbroadcastd %xmm0, %xmm0
; AVX2-NEXT: vzeroupper
; AVX2-NEXT: retq
;
; AVX512F-LABEL: PR32160:
; AVX512F: # %bb.0:
; AVX512F-NEXT: # kill: def %ymm0 killed %ymm0 def %zmm0
; AVX512F-NEXT: vpmovdw %zmm0, %ymm0
; AVX512F-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; AVX512F-NEXT: vpbroadcastd %xmm0, %xmm0
; AVX512F-NEXT: vzeroupper
; AVX512F-NEXT: retq
;
; AVX512VL-LABEL: PR32160:
; AVX512VL: # %bb.0:
; AVX512VL-NEXT: vpmovdw %ymm0, %xmm0
; AVX512VL-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; AVX512VL-NEXT: vpbroadcastd %xmm0, %xmm0
; AVX512VL-NEXT: vzeroupper
; AVX512VL-NEXT: retq
;
; AVX512BW-LABEL: PR32160:
; AVX512BW: # %bb.0:
; AVX512BW-NEXT: # kill: def %ymm0 killed %ymm0 def %zmm0
; AVX512BW-NEXT: vpmovdw %zmm0, %ymm0
; AVX512BW-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; AVX512BW-NEXT: vpbroadcastd %xmm0, %xmm0
; AVX512BW-NEXT: vzeroupper
; AVX512BW-NEXT: retq
;
; AVX512BWVL-LABEL: PR32160:
; AVX512BWVL: # %bb.0:
; AVX512BWVL-NEXT: vpmovdw %ymm0, %xmm0
; AVX512BWVL-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[2,2,2,3,4,5,6,7]
; AVX512BWVL-NEXT: vpbroadcastd %xmm0, %xmm0
; AVX512BWVL-NEXT: vzeroupper
; AVX512BWVL-NEXT: retq
%shuf = trunc <8 x i32> %x to <8 x i16>
%trunc = shufflevector <8 x i16> %shuf, <8 x i16> undef, <8 x i32> <i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2>
ret <8 x i16> %trunc
}
define void @PR34773(i16* %a0, i8* %a1) {
; SSE-LABEL: PR34773:
; SSE: # %bb.0: