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llvm-mirror/test/CodeGen/X86/avx512dq-mask-op.ll
Robert Khasanov d86d770d47 [SKX] Enabling mask logic instructions: encoding, lowering
Instructions: KAND{BWDQ}, KANDN{BWDQ}, KOR{BWDQ}, KXOR{BWDQ}, KXNOR{BWDQ}

Reviewed by Elena Demikhovsky <elena.demikhovsky@intel.com>

llvm-svn: 214081
2014-07-28 13:46:45 +00:00

39 lines
1.0 KiB
LLVM

; RUN: llc < %s -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=skx | FileCheck %s
define i8 @mask8(i8 %x) {
%m0 = bitcast i8 %x to <8 x i1>
%m1 = xor <8 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
%ret = bitcast <8 x i1> %m1 to i8
ret i8 %ret
; CHECK: mask8
; CHECK: knotb
; CHECK: ret
}
define void @mask8_mem(i8* %ptr) {
%x = load i8* %ptr, align 4
%m0 = bitcast i8 %x to <8 x i1>
%m1 = xor <8 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
%ret = bitcast <8 x i1> %m1 to i8
store i8 %ret, i8* %ptr, align 4
ret void
; CHECK-LABEL: mask8_mem
; CHECK: kmovb ([[ARG1:%rdi|%rcx]]), %k{{[0-7]}}
; CHECK-NEXT: knotb
; CHECK-NEXT: kmovb %k{{[0-7]}}, ([[ARG1]])
; CHECK: ret
}
define i8 @mand8(i8 %x, i8 %y) {
%ma = bitcast i8 %x to <8 x i1>
%mb = bitcast i8 %y to <8 x i1>
%mc = and <8 x i1> %ma, %mb
%md = xor <8 x i1> %ma, %mb
%me = or <8 x i1> %mc, %md
%ret = bitcast <8 x i1> %me to i8
; CHECK: kandb
; CHECK: kxorb
; CHECK: korb
ret i8 %ret
}