llvm/test/Transforms/SLPVectorizer/X86/extractlements-gathered-first-node.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -S --passes=slp-vectorizer -slp-threshold=-99999 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s

define void @test() {
; CHECK-LABEL: define void @test() {
; CHECK-NEXT:  bb:
; CHECK-NEXT:    [[TMP0:%.*]] = extractelement <4 x i32> zeroinitializer, i32 0
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x i32> zeroinitializer, i32 0
; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> <i32 0, i32 undef>, i32 [[TMP1]], i32 1
; CHECK-NEXT:    [[ICMP:%.*]] = icmp ult i32 [[TMP0]], [[TMP1]]
; CHECK-NEXT:    ret void
;
bb:
  %0 = extractelement <4 x i32> zeroinitializer, i32 0
  %1 = extractelement <2 x i32> zeroinitializer, i32 0
  %icmp = icmp ult i32 %0, %1
  ret void
}