llvm-6502/test/Bitcode/arm32_neon_vcnt_upgrade.ll
Duncan P. N. Exon Smith 94f7c7aeaa verify-uselistorder: Change the default -num-shuffles=5
Change the default for `-num-shuffles` to 5 and better document the
algorithm in the header docs of `verify-uselistorder`.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214419 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-31 18:46:24 +00:00

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785 B
LLVM

; RUN: llvm-as < %s | llvm-dis | FileCheck %s
; RUN: verify-uselistorder < %s -preserve-bc-use-list-order
; Tests vclz and vcnt
define <4 x i16> @vclz16(<4 x i16>* %A) nounwind {
;CHECK: @vclz16
%tmp1 = load <4 x i16>* %A
%tmp2 = call <4 x i16> @llvm.arm.neon.vclz.v4i16(<4 x i16> %tmp1)
;CHECK: {{call.*@llvm.ctlz.v4i16\(<4 x i16>.*, i1 false}}
ret <4 x i16> %tmp2
}
define <8 x i8> @vcnt8(<8 x i8>* %A) nounwind {
;CHECK: @vcnt8
%tmp1 = load <8 x i8>* %A
%tmp2 = call <8 x i8> @llvm.arm.neon.vcnt.v8i8(<8 x i8> %tmp1)
;CHECK: call <8 x i8> @llvm.ctpop.v8i8(<8 x i8>
ret <8 x i8> %tmp2
}
declare <4 x i16> @llvm.arm.neon.vclz.v4i16(<4 x i16>) nounwind readnone
declare <8 x i8> @llvm.arm.neon.vcnt.v8i8(<8 x i8>) nounwind readnone