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llvm/llvm/test/Transforms/InstCombine/vector-logical-reductions.ll 

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

define i1 @reduction_logical_or(<4 x i1> %x) {
; CHECK-LABEL: @reduction_logical_or(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <4 x i1> [[X:%.*]] to i4
; CHECK-NEXT:    [[R:%.*]] = icmp ne i4 [[TMP1]], 0
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.or.v4i1(<4 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_or_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_or_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_and(<4 x i1> %x) {
; CHECK-LABEL: @reduction_logical_and(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <4 x i1> [[X:%.*]] to i4
; CHECK-NEXT:    [[R:%.*]] = icmp eq i4 [[TMP1]], -1
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.and.v4i1(<4 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_and_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_and_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_mul(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_mul(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[R:%.*]] = icmp eq i2 [[TMP1]], -1
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.mul.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_mul_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_mul_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.mul.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_xor(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_xor(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[TMP2:%.*]] = call range(i2 0, -1) i2 @llvm.ctpop.i2(i2 [[TMP1]])
; CHECK-NEXT:    [[R:%.*]] = trunc i2 [[TMP2]] to i1
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.xor.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_xor_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_xor_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.add.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.xor.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_smin(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_smin(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[R:%.*]] = icmp ne i2 [[TMP1]], 0
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.smin.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_smin_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_smin_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.smin.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_smax(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_smax(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[R:%.*]] = icmp eq i2 [[TMP1]], -1
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.smax.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_smax_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_smax_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.smax.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_umin(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_umin(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[R:%.*]] = icmp eq i2 [[TMP1]], -1
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.umin.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_umin_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_umin_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.umin.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_umax(<2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_umax(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[X:%.*]] to i2
; CHECK-NEXT:    [[R:%.*]] = icmp ne i2 [[TMP1]], 0
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.umax.v4i1(<2 x i1> %x)
  ret i1 %r
}

define i1 @reduction_logical_umax_nxv2i1(<vscale x 2 x i1> %x) {
; CHECK-LABEL: @reduction_logical_umax_nxv2i1(
; CHECK-NEXT:    [[R:%.*]] = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> [[X:%.*]])
; CHECK-NEXT:    ret i1 [[R]]
;
  %r = call i1 @llvm.vector.reduce.umax.nxv2i1(<vscale x 2 x i1> %x)
  ret i1 %r
}


define i1 @reduction_logical_or_reverse_nxv2i1(<vscale x 2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_or_reverse_nxv2i1(
; CHECK-NEXT:    [[RED:%.*]] = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> [[P:%.*]])
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1> %rev)
  ret i1 %red
}

define i1 @reduction_logical_or_reverse_v2i1(<2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_or_reverse_v2i1(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[P:%.*]] to i2
; CHECK-NEXT:    [[RED:%.*]] = icmp ne i2 [[TMP1]], 0
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <2 x i1> @llvm.vector.reverse.v2i1(<2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.or.v2i1(<2 x i1> %rev)
  ret i1 %red
}

define i1 @reduction_logical_and_reverse_nxv2i1(<vscale x 2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_and_reverse_nxv2i1(
; CHECK-NEXT:    [[RED:%.*]] = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> [[P:%.*]])
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1> %rev)
  ret i1 %red
}

define i1 @reduction_logical_and_reverse_v2i1(<2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_and_reverse_v2i1(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[P:%.*]] to i2
; CHECK-NEXT:    [[RED:%.*]] = icmp eq i2 [[TMP1]], -1
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <2 x i1> @llvm.vector.reverse.v2i1(<2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.and.v2i1(<2 x i1> %rev)
  ret i1 %red
}

define i1 @reduction_logical_xor_reverse_nxv2i1(<vscale x 2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_xor_reverse_nxv2i1(
; CHECK-NEXT:    [[RED:%.*]] = call i1 @llvm.vector.reduce.add.nxv2i1(<vscale x 2 x i1> [[P:%.*]])
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.xor.nxv2i1(<vscale x 2 x i1> %rev)
  ret i1 %red
}

define i1 @reduction_logical_xor_reverse_v2i1(<2 x i1> %p) {
; CHECK-LABEL: @reduction_logical_xor_reverse_v2i1(
; CHECK-NEXT:    [[TMP1:%.*]] = bitcast <2 x i1> [[P:%.*]] to i2
; CHECK-NEXT:    [[TMP2:%.*]] = call range(i2 0, -1) i2 @llvm.ctpop.i2(i2 [[TMP1]])
; CHECK-NEXT:    [[RED:%.*]] = trunc i2 [[TMP2]] to i1
; CHECK-NEXT:    ret i1 [[RED]]
;
  %rev = call <2 x i1> @llvm.vector.reverse.v2i1(<2 x i1> %p)
  %red = call i1 @llvm.vector.reduce.xor.v2i1(<2 x i1> %rev)
  ret i1 %red
}

declare i1 @llvm.vector.reduce.or.v4i1(<4 x i1>)
declare i1 @llvm.vector.reduce.or.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.or.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.and.v4i1(<4 x i1>)
declare i1 @llvm.vector.reduce.and.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.and.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.xor.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.xor.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.mul.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.mul.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.smin.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.smin.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.smax.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.smax.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.umin.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.umin.v2i1(<2 x i1>)
declare i1 @llvm.vector.reduce.umax.nxv2i1(<vscale x 2 x i1>)
declare i1 @llvm.vector.reduce.umax.v2i1(<2 x i1>)
declare <vscale x 2 x i1> @llvm.vector.reverse.nxv2i1(<vscale x 2 x i1>)
declare <2 x i1> @llvm.vector.reverse.v2i1(<2 x i1>)