llvm/test/Transforms/InstCombine/ARM/2012-04-23-Neon-Intrinsics.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=instcombine < %s | FileCheck %s

define <4 x i32> @mulByZero(<4 x i16> %x) nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @mulByZero(
; CHECK-SAME: <4 x i16> [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    ret <4 x i32> zeroinitializer
;
entry:
  %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> %x, <4 x i16> zeroinitializer) nounwind
  ret <4 x i32> %a
}

define <4 x i32> @mulByOne(<4 x i16> %x) nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @mulByOne(
; CHECK-SAME: <4 x i16> [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[A:%.*]] = sext <4 x i16> [[X]] to <4 x i32>
; CHECK-NEXT:    ret <4 x i32> [[A]]
;
entry:
  %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> %x, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
  ret <4 x i32> %a
}

define <4 x i32> @constantMul() nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @constantMul(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    ret <4 x i32> splat (i32 6)
;
entry:
  %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 3, i16 3, i16 3, i16 3>, <4 x i16> <i16 2, i16 2, i16 2, i16 2>) nounwind
  ret <4 x i32> %a
}

define <4 x i32> @constantMulS() nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @constantMulS(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    ret <4 x i32> splat (i32 -1)
;
entry:
  %b = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
  ret <4 x i32> %b
}

define <4 x i32> @constantMulU() nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @constantMulU(
; CHECK-SAME: ) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    ret <4 x i32> splat (i32 65535)
;
entry:
  %b = tail call <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, <4 x i16> <i16 1, i16 1, i16 1, i16 1>) nounwind
  ret <4 x i32> %b
}

define <4 x i32> @complex1(<4 x i16> %x) nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @complex1(
; CHECK-SAME: <4 x i16> [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[A:%.*]] = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> splat (i16 2), <4 x i16> [[X]]) #[[ATTR2:[0-9]+]]
; CHECK-NEXT:    ret <4 x i32> [[A]]
;
entry:
  %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 2, i16 2, i16 2, i16 2>, <4 x i16> %x) nounwind
  %b = add <4 x i32> zeroinitializer, %a
  ret <4 x i32> %b
}

define <4 x i32> @complex2(<4 x i32> %x) nounwind readnone ssp {
; CHECK-LABEL: define <4 x i32> @complex2(
; CHECK-SAME: <4 x i32> [[X:%.*]]) #[[ATTR0]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[B:%.*]] = add <4 x i32> [[X]], splat (i32 6)
; CHECK-NEXT:    ret <4 x i32> [[B]]
;
entry:
  %a = tail call <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16> <i16 3, i16 3, i16 3, i16 3>, <4 x i16> <i16 2, i16 2, i16 2, i16 2>) nounwind
  %b = add <4 x i32> %x, %a
  ret <4 x i32> %b
}

declare <4 x i32> @llvm.arm.neon.vmulls.v4i32(<4 x i16>, <4 x i16>) nounwind readnone
declare <4 x i32> @llvm.arm.neon.vmullu.v4i32(<4 x i16>, <4 x i16>) nounwind readnone