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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon,+sve | FileCheck %s
define <16 x i8> @subsubii8(<16 x i8> %a, i8 %b) {
; CHECK-LABEL: subsubii8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: dup v0.16b, w0
; CHECK-NEXT: ret
entry:
%sub = sub i8 0, %b
%0 = insertelement <16 x i8> poison, i8 %sub, i32 0
%sh_prom = shufflevector <16 x i8> %0, <16 x i8> poison, <16 x i32> zeroinitializer
%sub2 = sub <16 x i8> zeroinitializer, %sh_prom
ret <16 x i8> %sub2
}
define <vscale x 16 x i8> @subsubni8(<vscale x 16 x i8> %a, i8 %b) {
; CHECK-LABEL: subsubni8:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov z0.b, w0
; CHECK-NEXT: ret
entry:
%sub = sub i8 0, %b
%0 = insertelement <vscale x 16 x i8> poison, i8 %sub, i32 0
%sh_prom = shufflevector <vscale x 16 x i8> %0, <vscale x 16 x i8> poison, <vscale x 16 x i32> zeroinitializer
%sub2 = sub <vscale x 16 x i8> zeroinitializer, %sh_prom
ret <vscale x 16 x i8> %sub2
}
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