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      1 ; RUN: llc < %s -march=x86
      2 ; PR2783
      3 
      4 @g_15 = external global i16		; <i16*> [#uses=2]
      5 
      6 define i32 @func_3(i32 %p_5) nounwind {
      7 entry:
      8 	%0 = srem i32 1, 0		; <i32> [#uses=2]
      9 	%1 = load i16* @g_15, align 2		; <i16> [#uses=1]
     10 	%2 = zext i16 %1 to i32		; <i32> [#uses=1]
     11 	%3 = and i32 %2, 1		; <i32> [#uses=1]
     12 	%4 = tail call i32 (...)* @rshift_u_s( i32 1 ) nounwind		; <i32> [#uses=1]
     13 	%5 = icmp slt i32 %4, 2		; <i1> [#uses=1]
     14 	%6 = zext i1 %5 to i32		; <i32> [#uses=1]
     15 	%7 = icmp sge i32 %3, %6		; <i1> [#uses=1]
     16 	%8 = zext i1 %7 to i32		; <i32> [#uses=1]
     17 	%9 = load i16* @g_15, align 2		; <i16> [#uses=1]
     18 	%10 = icmp eq i16 %9, 0		; <i1> [#uses=1]
     19 	%11 = zext i1 %10 to i32		; <i32> [#uses=1]
     20 	%12 = tail call i32 (...)* @func_20( i32 1 ) nounwind		; <i32> [#uses=1]
     21 	%13 = icmp sge i32 %11, %12		; <i1> [#uses=1]
     22 	%14 = zext i1 %13 to i32		; <i32> [#uses=1]
     23 	%15 = sub i32 %8, %14		; <i32> [#uses=1]
     24 	%16 = icmp ult i32 %15, 2		; <i1> [#uses=1]
     25 	%17 = zext i1 %16 to i32		; <i32> [#uses=1]
     26 	%18 = icmp ugt i32 %0, 3		; <i1> [#uses=1]
     27 	%or.cond = or i1 false, %18		; <i1> [#uses=1]
     28 	%19 = select i1 %or.cond, i32 0, i32 %0		; <i32> [#uses=1]
     29 	%.0 = lshr i32 %17, %19		; <i32> [#uses=1]
     30 	%20 = tail call i32 (...)* @func_7( i32 %.0 ) nounwind		; <i32> [#uses=0]
     31 	ret i32 undef
     32 }
     33 
     34 declare i32 @rshift_u_s(...)
     35 
     36 declare i32 @func_20(...)
     37 
     38 declare i32 @func_7(...)
     39