|  | ; RUN: llc < %s -mtriple=i686-- | grep shrl | 
|  | ; Bug in FindModifiedNodeSlot cause tmp14 load to become a zextload and shr 31 | 
|  | ; is then optimized away. | 
|  | @tree_code_type = external global [0 x i32]		; <[0 x i32]*> [#uses=1] | 
|  |  | 
|  | define void @copy_if_shared_r() { | 
|  | %tmp = load i32, i32* null		; <i32> [#uses=1] | 
|  | %tmp56 = and i32 %tmp, 255		; <i32> [#uses=1] | 
|  | %gep.upgrd.1 = zext i32 %tmp56 to i64		; <i64> [#uses=1] | 
|  | %tmp8 = getelementptr [0 x i32], [0 x i32]* @tree_code_type, i32 0, i64 %gep.upgrd.1	; <i32*> [#uses=1] | 
|  | %tmp9 = load i32, i32* %tmp8		; <i32> [#uses=1] | 
|  | %tmp10 = add i32 %tmp9, -1		; <i32> [#uses=1] | 
|  | %tmp.upgrd.2 = icmp ugt i32 %tmp10, 2		; <i1> [#uses=1] | 
|  | %tmp14 = load i32, i32* null		; <i32> [#uses=1] | 
|  | %tmp15 = lshr i32 %tmp14, 31		; <i32> [#uses=1] | 
|  | %tmp15.upgrd.3 = trunc i32 %tmp15 to i8		; <i8> [#uses=1] | 
|  | %tmp16 = icmp ne i8 %tmp15.upgrd.3, 0		; <i1> [#uses=1] | 
|  | br i1 %tmp.upgrd.2, label %cond_false25, label %cond_true | 
|  | cond_true:		; preds = %0 | 
|  | br i1 %tmp16, label %cond_true17, label %cond_false | 
|  | cond_true17:		; preds = %cond_true | 
|  | ret void | 
|  | cond_false:		; preds = %cond_true | 
|  | ret void | 
|  | cond_false25:		; preds = %0 | 
|  | ret void | 
|  | } | 
|  |  |