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      1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
      2 ; RUN: opt < %s -instcombine -S | FileCheck %s
      3 
      4 ; Provide legal integer types.
      5 target datalayout = "n8:16:32:64"
      6 
      7 define void @PR21651() {
      8 ; CHECK-LABEL: @PR21651(
      9 ; CHECK-NEXT:    switch i1 false, label %out [
     10 ; CHECK-NEXT:    i1 false, label %out
     11 ; CHECK-NEXT:    i1 true, label %out
     12 ; CHECK-NEXT:    ]
     13 ; CHECK:       out:
     14 ; CHECK-NEXT:    ret void
     15 ;
     16   switch i2 0, label %out [
     17   i2 0, label %out
     18   i2 1, label %out
     19   ]
     20 
     21 out:
     22   ret void
     23 }
     24 
     25