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      1 ; RUN: llc -mtriple=arm64-apple-ios -mcpu=cyclone < %s | FileCheck %s
      2 ; Do not generate redundant select in early if-converstion pass. 
      3 
      4 define i32 @foo(i32 %a, i32 %b)  {
      5 entry:
      6 ;CHECK-LABEL: foo:
      7 ;CHECK: csinc
      8 ;CHECK-NOT: csel
      9   %sub = sub nsw i32 %b, %a
     10   %cmp10 = icmp sgt i32 %a, 0
     11   br i1 %cmp10, label %while.body.lr.ph, label %while.end
     12 
     13 while.body.lr.ph:
     14   br label %while.body
     15 
     16 while.body:                                  
     17   %j.012 = phi i32 [ %sub, %while.body.lr.ph ], [ %inc, %if.then ], [ %inc, %if.else ]
     18   %i.011 = phi i32 [ %a, %while.body.lr.ph ], [ %inc2, %if.then ], [ %dec, %if.else ]
     19   %cmp1 = icmp slt i32 %i.011, %j.012
     20   br i1 %cmp1, label %while.end, label %while.cond
     21 
     22 while.cond:
     23   %inc = add nsw i32 %j.012, 5
     24   %cmp2 = icmp slt i32 %inc, %b
     25   br i1 %cmp2, label %if.then, label %if.else
     26 
     27 if.then:
     28   %inc2 = add nsw i32 %i.011, 1
     29   br label %while.body
     30 
     31 if.else:
     32   %dec = add nsw i32 %i.011, -1
     33   br label %while.body
     34 
     35 while.end:
     36   %j.0.lcssa = phi i32 [ %j.012, %while.body ], [ %sub, %entry ]
     37   %i.0.lcssa = phi i32 [ %i.011, %while.body ], [ %a, %entry ]
     38   %add = add nsw i32 %j.0.lcssa, %i.0.lcssa
     39   ret i32 %add
     40 }
     41 
     42