llvm/test/Transforms/SLPVectorizer/X86/reduced-val-extracted-and-externally-used.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define void @test(i32 %arg) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: i32 [[ARG:%.*]]) {
; CHECK-NEXT:  [[BB:.*]]:
; CHECK-NEXT:    br label %[[BB1:.*]]
; CHECK:       [[BB1]]:
; CHECK-NEXT:    [[PHI:%.*]] = phi i32 [ 0, %[[BB]] ], [ [[TMP5:%.*]], %[[BB1]] ]
; CHECK-NEXT:    [[PHI2:%.*]] = phi i32 [ 0, %[[BB]] ], [ [[ADD24:%.*]], %[[BB1]] ]
; CHECK-NEXT:    [[PHI3:%.*]] = phi i32 [ 0, %[[BB]] ], [ [[XOR26:%.*]], %[[BB1]] ]
; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[ADD4:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[XOR:%.*]] = xor i32 [[ADD]], [[ADD4]]
; CHECK-NEXT:    [[ADD23:%.*]] = add i32 [[PHI]], 0
; CHECK-NEXT:    [[ADD6:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[ADD7:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[XOR8:%.*]] = xor i32 [[ADD6]], [[XOR]]
; CHECK-NEXT:    [[XOR9:%.*]] = xor i32 [[XOR8]], [[ADD23]]
; CHECK-NEXT:    [[OP_RDX1:%.*]] = xor i32 [[XOR9]], [[ADD7]]
; CHECK-NEXT:    [[OP_RDX2:%.*]] = add i32 [[PHI]], 0
; CHECK-NEXT:    [[OP_RDX:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[ADD13:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[OP_RDX3:%.*]] = xor i32 [[OP_RDX]], [[OP_RDX1]]
; CHECK-NEXT:    [[OP_RDX4:%.*]] = xor i32 [[OP_RDX3]], [[OP_RDX2]]
; CHECK-NEXT:    [[XOR16:%.*]] = xor i32 [[OP_RDX4]], [[ADD13]]
; CHECK-NEXT:    [[ADD17:%.*]] = add i32 [[PHI]], 0
; CHECK-NEXT:    [[ADD18:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[ADD19:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[XOR20:%.*]] = xor i32 [[ADD18]], [[XOR16]]
; CHECK-NEXT:    [[XOR21:%.*]] = xor i32 [[XOR20]], [[ADD17]]
; CHECK-NEXT:    [[XOR22:%.*]] = xor i32 [[XOR21]], [[ADD19]]
; CHECK-NEXT:    [[ADD25:%.*]] = add i32 [[PHI2]], 0
; CHECK-NEXT:    [[ADD24]] = add i32 [[ARG]], 0
; CHECK-NEXT:    [[XOR25:%.*]] = xor i32 [[ADD25]], [[XOR22]]
; CHECK-NEXT:    [[XOR26]] = xor i32 [[XOR25]], [[ADD24]]
; CHECK-NEXT:    [[TMP5]] = add i32 1, 0
; CHECK-NEXT:    [[ICMP:%.*]] = icmp ult i32 [[TMP5]], 0
; CHECK-NEXT:    br label %[[BB1]]
;
bb:
  br label %bb1

bb1:
  %phi = phi i32 [ 0, %bb ], [ %add27, %bb1 ]
  %phi2 = phi i32 [ 0, %bb ], [ %add24, %bb1 ]
  %phi3 = phi i32 [ 0, %bb ], [ %xor26, %bb1 ]
  %add = add i32 %phi2, 0
  %add4 = add i32 %phi2, 0
  %xor = xor i32 %add, %add4
  %add5 = add i32 %phi, 0
  %add6 = add i32 %phi2, 0
  %add7 = add i32 %phi2, 0
  %xor8 = xor i32 %add6, %xor
  %xor9 = xor i32 %xor8, %add5
  %xor10 = xor i32 %xor9, %add7
  %add11 = add i32 %phi, 0
  %add12 = add i32 %phi2, 0
  %add13 = add i32 %phi2, 0
  %xor14 = xor i32 %add12, %xor10
  %xor15 = xor i32 %xor14, %add11
  %xor16 = xor i32 %xor15, %add13
  %add17 = add i32 %phi, 0
  %add18 = add i32 %phi2, 0
  %add19 = add i32 %phi2, 0
  %xor20 = xor i32 %add18, %xor16
  %xor21 = xor i32 %xor20, %add17
  %xor22 = xor i32 %xor21, %add19
  %add23 = add i32 %phi2, 0
  %add24 = add i32 %arg, 0
  %xor25 = xor i32 %add23, %xor22
  %xor26 = xor i32 %xor25, %add24
  %add27 = add i32 1, 0
  %icmp = icmp ult i32 %add27, 0
  br label %bb1
}