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[X86][SSE] Add more tests for shuffle combining with extracted vector elements (PR22415) 

llvm-svn: 314077
This commit is contained in:
Simon Pilgrim 2017-09-24 13:45:49 +00:00
parent a705db9a9e
commit e1335b1c75
1 changed files with 56 additions and 0 deletions
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56
llvm/test/CodeGen/X86/vector-shuffle-combining-ssse3.ll
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@ -689,6 +689,62 @@ define <16 x i8> @constant_fold_pshufb_2() {
ret <16 x i8> %1
}
define i32 @mask_zzz3_v16i8(<16 x i8> %a0) {
; SSSE3-LABEL: mask_zzz3_v16i8:
; SSSE3: # BB#0:
; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[8,10,12,14,8,10,12,14,0,2,4,6,8,10,12,14]
; SSSE3-NEXT: movd %xmm0, %eax
; SSSE3-NEXT: andl $-16777216, %eax # imm = 0xFF000000
; SSSE3-NEXT: retq
;
; SSE41-LABEL: mask_zzz3_v16i8:
; SSE41: # BB#0:
; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,0,2,4,6,8,10,12,14]
; SSE41-NEXT: pextrd $3, %xmm0, %eax
; SSE41-NEXT: andl $-16777216, %eax # imm = 0xFF000000
; SSE41-NEXT: retq
;
; AVX-LABEL: mask_zzz3_v16i8:
; AVX: # BB#0:
; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,0,2,4,6,8,10,12,14]
; AVX-NEXT: vpextrd $3, %xmm0, %eax
; AVX-NEXT: andl $-16777216, %eax # imm = 0xFF000000
; AVX-NEXT: retq
%1 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %a0, <16 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>)
%2 = bitcast <16 x i8> %1 to <4 x i32>
%3 = extractelement <4 x i32> %2, i32 3
%4 = and i32 %3, 4278190080
ret i32 %4
}
define i32 @mask_z1z3_v16i8(<16 x i8> %a0) {
; SSSE3-LABEL: mask_z1z3_v16i8:
; SSSE3: # BB#0:
; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[8,10,12,14,8,10,12,14,0,2,4,6,8,10,12,14]
; SSSE3-NEXT: movd %xmm0, %eax
; SSSE3-NEXT: andl $-16711936, %eax # imm = 0xFF00FF00
; SSSE3-NEXT: retq
;
; SSE41-LABEL: mask_z1z3_v16i8:
; SSE41: # BB#0:
; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,0,2,4,6,8,10,12,14]
; SSE41-NEXT: pextrd $3, %xmm0, %eax
; SSE41-NEXT: andl $-16711936, %eax # imm = 0xFF00FF00
; SSE41-NEXT: retq
;
; AVX-LABEL: mask_z1z3_v16i8:
; AVX: # BB#0:
; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,0,2,4,6,8,10,12,14]
; AVX-NEXT: vpextrd $3, %xmm0, %eax
; AVX-NEXT: andl $-16711936, %eax # imm = 0xFF00FF00
; AVX-NEXT: retq
%1 = call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %a0, <16 x i8> <i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14, i8 0, i8 2, i8 4, i8 6, i8 8, i8 10, i8 12, i8 14>)
%2 = bitcast <16 x i8> %1 to <4 x i32>
%3 = extractelement <4 x i32> %2, i32 3
%4 = and i32 %3, 4278255360
ret i32 %4
}
define i32 @PR22415(double %a0) {
; SSE-LABEL: PR22415:
; SSE: # BB#0: