2014-05-24 14:50:23 +02:00
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; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple -aarch64-simd-scalar=true -asm-verbose=false | FileCheck %s
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; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=generic -aarch64-simd-scalar=true -asm-verbose=false | FileCheck %s -check-prefix=GENERIC
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2014-04-28 18:21:50 +02:00
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2014-03-29 11:18:08 +01:00
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define <2 x i64> @bar(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
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; CHECK-LABEL: bar:
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; CHECK: add.2d v[[REG:[0-9]+]], v0, v1
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; CHECK: add d[[REG3:[0-9]+]], d[[REG]], d1
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; CHECK: sub d[[REG2:[0-9]+]], d[[REG]], d1
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2014-04-28 18:21:50 +02:00
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; GENERIC-LABEL: bar:
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; GENERIC: add v[[REG:[0-9]+]].2d, v0.2d, v1.2d
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; GENERIC: add d[[REG3:[0-9]+]], d[[REG]], d1
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; GENERIC: sub d[[REG2:[0-9]+]], d[[REG]], d1
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2014-03-29 11:18:08 +01:00
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%add = add <2 x i64> %a, %b
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%vgetq_lane = extractelement <2 x i64> %add, i32 0
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%vgetq_lane2 = extractelement <2 x i64> %b, i32 0
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%add3 = add i64 %vgetq_lane, %vgetq_lane2
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%sub = sub i64 %vgetq_lane, %vgetq_lane2
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%vecinit = insertelement <2 x i64> undef, i64 %add3, i32 0
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%vecinit8 = insertelement <2 x i64> %vecinit, i64 %sub, i32 1
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ret <2 x i64> %vecinit8
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}
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define double @subdd_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
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; CHECK-LABEL: subdd_su64:
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; CHECK: sub d0, d1, d0
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; CHECK-NEXT: ret
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2014-04-28 18:21:50 +02:00
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; GENERIC-LABEL: subdd_su64:
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; GENERIC: sub d0, d1, d0
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; GENERIC-NEXT: ret
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2014-03-29 11:18:08 +01:00
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%vecext = extractelement <2 x i64> %a, i32 0
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%vecext1 = extractelement <2 x i64> %b, i32 0
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%sub.i = sub nsw i64 %vecext1, %vecext
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%retval = bitcast i64 %sub.i to double
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ret double %retval
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}
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define double @vaddd_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
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; CHECK-LABEL: vaddd_su64:
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; CHECK: add d0, d1, d0
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; CHECK-NEXT: ret
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2014-04-28 18:21:50 +02:00
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; GENERIC-LABEL: vaddd_su64:
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; GENERIC: add d0, d1, d0
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; GENERIC-NEXT: ret
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2014-03-29 11:18:08 +01:00
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%vecext = extractelement <2 x i64> %a, i32 0
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%vecext1 = extractelement <2 x i64> %b, i32 0
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%add.i = add nsw i64 %vecext1, %vecext
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%retval = bitcast i64 %add.i to double
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ret double %retval
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}
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2014-04-28 18:21:50 +02:00
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; sub MI doesn't access dsub register.
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define double @add_sub_su64(<2 x i64> %a, <2 x i64> %b) nounwind readnone {
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; CHECK-LABEL: add_sub_su64:
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; CHECK: add d0, d1, d0
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; CHECK: sub d0, {{d[0-9]+}}, d0
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; CHECK-NEXT: ret
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; GENERIC-LABEL: add_sub_su64:
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; GENERIC: add d0, d1, d0
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; GENERIC: sub d0, {{d[0-9]+}}, d0
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; GENERIC-NEXT: ret
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%vecext = extractelement <2 x i64> %a, i32 0
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%vecext1 = extractelement <2 x i64> %b, i32 0
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%add.i = add i64 %vecext1, %vecext
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%sub.i = sub i64 0, %add.i
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%retval = bitcast i64 %sub.i to double
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ret double %retval
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}
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