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[x86] add test for 256-bit andn (PR37749); NFC 

llvm-svn: 342595
This commit is contained in:
Sanjay Patel 2018-09-19 22:00:56 +00:00
parent fdc0de19cb
commit 0bda919870
1 changed files with 29 additions and 0 deletions
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29
llvm/test/CodeGen/X86/avx-logic.ll
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@ -335,6 +335,35 @@ define <8 x i32> @and_disguised_i8_elts(<8 x i32> %x, <8 x i32> %y, <8 x i32> %z
ret <8 x i32> %t
}
define <8 x i32> @andn_disguised_i8_elts(<8 x i32> %x, <8 x i32> %y, <8 x i32> %z) {
; AVX1-LABEL: andn_disguised_i8_elts:
; AVX1: # %bb.0:
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm3
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm4
; AVX1-NEXT: vpaddd %xmm3, %xmm4, %xmm3
; AVX1-NEXT: vpaddd %xmm0, %xmm1, %xmm0
; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm0, %ymm0
; AVX1-NEXT: vandnps {{.*}}(%rip), %ymm0, %ymm0
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX1-NEXT: vextractf128 $1, %ymm2, %xmm3
; AVX1-NEXT: vpaddd %xmm3, %xmm1, %xmm1
; AVX1-NEXT: vpaddd %xmm2, %xmm0, %xmm0
; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; INT256-LABEL: andn_disguised_i8_elts:
; INT256: # %bb.0:
; INT256-NEXT: vpaddd %ymm0, %ymm1, %ymm0
; INT256-NEXT: vpandn {{.*}}(%rip), %ymm0, %ymm0
; INT256-NEXT: vpaddd %ymm2, %ymm0, %ymm0
; INT256-NEXT: retq
%add = add <8 x i32> %y, %x
%neg = and <8 x i32> %add, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
%and = xor <8 x i32> %neg, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
%add1 = add <8 x i32> %and, %z
ret <8 x i32> %add1
}
define <8 x i32> @or_disguised_i8_elts(<8 x i32> %x, <8 x i32> %y, <8 x i32> %z) {
; AVX1-LABEL: or_disguised_i8_elts:
; AVX1: # %bb.0: