Home | History | Annotate | Download | only in InstCombine
      1 ; RUN: opt < %s -instcombine -disable-output
      2 ; PR3144
      3 
      4 define fastcc i32 @func(i32 %length) nounwind {
      5 entry:
      6 	%0 = icmp ne i32 %length, -1		; <i1> [#uses=1]
      7 	%iftmp.13.0 = select i1 %0, i128 0, i128 200000000		; <i128> [#uses=2]
      8 	%1 = sdiv i128 %iftmp.13.0, 10		; <i128> [#uses=1]
      9 	br label %bb5
     10 
     11 bb5:		; preds = %bb8, %entry
     12 	%v.0 = phi i128 [ 0, %entry ], [ %6, %bb8 ]		; <i128> [#uses=2]
     13 	%2 = icmp sgt i128 %v.0, %1		; <i1> [#uses=1]
     14 	br i1 %2, label %overflow, label %bb7
     15 
     16 bb7:		; preds = %bb5
     17 	%3 = mul i128 %v.0, 10		; <i128> [#uses=2]
     18 	%4 = sub i128 %iftmp.13.0, 0		; <i128> [#uses=1]
     19 	%5 = icmp slt i128 %4, %3		; <i1> [#uses=1]
     20 	br i1 %5, label %overflow, label %bb8
     21 
     22 bb8:		; preds = %bb7
     23 	%6 = add i128 0, %3		; <i128> [#uses=1]
     24 	br label %bb5
     25 
     26 overflow:		; preds = %bb7, %bb5
     27 	ret i32 1
     28 }
     29