File: pr46430.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=loop-unroll -costmodel-reduxcost -S -o - %s | FileCheck %s

define void @g() {
; CHECK-LABEL: @g(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[F_EXIT:%.*]]
; CHECK:       f.exit:
; CHECK-NEXT:    [[RDX_SHUF9_I:%.*]] = shufflevector <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, <4 x i16> undef, <4 x i32> <i32 1, i32 poison, i32 poison, i32 poison>
; CHECK-NEXT:    [[BIN_RDX10_I:%.*]] = xor <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, [[RDX_SHUF9_I]]
; CHECK-NEXT:    [[TMP0:%.*]] = extractelement <4 x i16> [[BIN_RDX10_I]], i32 0
; CHECK-NEXT:    br label [[F_EXIT]]
;
entry:
  br label %f.exit

f.exit:                                           ; preds = %f.exit, %entry
  %rdx.shuf9.i = shufflevector <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, <4 x i16> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
  %bin.rdx10.i = xor <4 x i16> <i16 1, i16 0, i16 undef, i16 undef>, %rdx.shuf9.i
  %0 = extractelement <4 x i16> %bin.rdx10.i, i32 0
  br label %f.exit
}