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; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple -aarch64-simd-scalar=true -asm-verbose=false | FileCheck %s
; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=generic -aarch64-simd-scalar=true -asm-verbose=false | FileCheck %s -check-prefix=GENERIC
define <2 x i64> @bar(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
; CHECK-LABEL: bar:
; CHECK: add.2d v[[REG:[0-9]+]], v0, v1
; CHECK: add d[[REG3:[0-9]+]], d[[REG]], d1
; CHECK: sub d[[REG2:[0-9]+]], d[[REG]], d1
; GENERIC-LABEL: bar:
; GENERIC: add v[[REG:[0-9]+]].2d, v0.2d, v1.2d
; GENERIC: add d[[REG3:[0-9]+]], d[[REG]], d1
; GENERIC: sub d[[REG2:[0-9]+]], d[[REG]], d1
%add = add <2 x i64> %a, %b
%vgetq_lane = extractelement <2 x i64> %add, i32 0
%vgetq_lane2 = extractelement <2 x i64> %b, i32 0
%add3 = add i64 %vgetq_lane, %vgetq_lane2
%sub = sub i64 %vgetq_lane, %vgetq_lane2
%vecinit = insertelement <2 x i64> undef, i64 %add3, i32 0
%vecinit8 = insertelement <2 x i64> %vecinit, i64 %sub, i32 1
ret <2 x i64> %vecinit8
}
define double @subdd_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
; CHECK-LABEL: subdd_su64:
; CHECK: sub d0, d1, d0
; CHECK-NEXT: ret
; GENERIC-LABEL: subdd_su64:
; GENERIC: sub d0, d1, d0
; GENERIC-NEXT: ret
%vecext = extractelement <2 x i64> %a, i32 0
%vecext1 = extractelement <2 x i64> %b, i32 0
%sub.i = sub nsw i64 %vecext1, %vecext
%retval = bitcast i64 %sub.i to double
ret double %retval
}
define double @vaddd_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
; CHECK-LABEL: vaddd_su64:
; CHECK: add d0, d1, d0
; CHECK-NEXT: ret
; GENERIC-LABEL: vaddd_su64:
; GENERIC: add d0, d1, d0
; GENERIC-NEXT: ret
%vecext = extractelement <2 x i64> %a, i32 0
%vecext1 = extractelement <2 x i64> %b, i32 0
%add.i = add nsw i64 %vecext1, %vecext
%retval = bitcast i64 %add.i to double
ret double %retval
}
; sub MI doesn't access dsub register.
define double @add_sub_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
; CHECK-LABEL: add_sub_su64:
; CHECK: add d0, d1, d0
; CHECK: sub d0, {{d[0-9]+}}, d0
; CHECK-NEXT: ret
; GENERIC-LABEL: add_sub_su64:
; GENERIC: add d0, d1, d0
; GENERIC: sub d0, {{d[0-9]+}}, d0
; GENERIC-NEXT: ret
%vecext = extractelement <2 x i64> %a, i32 0
%vecext1 = extractelement <2 x i64> %b, i32 0
%add.i = add i64 %vecext1, %vecext
%sub.i = sub i64 0, %add.i
%retval = bitcast i64 %sub.i to double
ret double %retval
}
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