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281d2bf320
Instructions: KAND{BWDQ}, KANDN{BWDQ}, KOR{BWDQ}, KXOR{BWDQ}, KXNOR{BWDQ}
Reviewed by Elena Demikhovsky <elena.demikhovsky@intel.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214081 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.0 KiB
LLVM
39 lines
1.0 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=skx | FileCheck %s
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define i8 @mask8(i8 %x) {
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%m0 = bitcast i8 %x to <8 x i1>
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%m1 = xor <8 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
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%ret = bitcast <8 x i1> %m1 to i8
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ret i8 %ret
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; CHECK: mask8
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; CHECK: knotb
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; CHECK: ret
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}
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define void @mask8_mem(i8* %ptr) {
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%x = load i8* %ptr, align 4
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%m0 = bitcast i8 %x to <8 x i1>
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%m1 = xor <8 x i1> %m0, <i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1, i1 -1>
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%ret = bitcast <8 x i1> %m1 to i8
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store i8 %ret, i8* %ptr, align 4
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ret void
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; CHECK-LABEL: mask8_mem
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; CHECK: kmovb ([[ARG1:%rdi|%rcx]]), %k{{[0-7]}}
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; CHECK-NEXT: knotb
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; CHECK-NEXT: kmovb %k{{[0-7]}}, ([[ARG1]])
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; CHECK: ret
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}
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define i8 @mand8(i8 %x, i8 %y) {
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%ma = bitcast i8 %x to <8 x i1>
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%mb = bitcast i8 %y to <8 x i1>
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%mc = and <8 x i1> %ma, %mb
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%md = xor <8 x i1> %ma, %mb
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%me = or <8 x i1> %mc, %md
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%ret = bitcast <8 x i1> %me to i8
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; CHECK: kandb
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; CHECK: kxorb
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; CHECK: korb
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ret i8 %ret
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}
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