|  | ; RUN: llc < %s -march=x86 | 
|  | ; PR4188 | 
|  | ; ModuleID = '<stdin>' | 
|  | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | 
|  | target triple = "i386-apple-darwin9.6" | 
|  | @g_9 = external global i32		; <i32*> [#uses=1] | 
|  |  | 
|  | define i32 @int86(i32 %p_87) nounwind { | 
|  | entry: | 
|  | %0 = trunc i32 %p_87 to i8		; <i8> [#uses=1] | 
|  | %1 = icmp ne i8 %0, 0		; <i1> [#uses=1] | 
|  | br label %bb | 
|  |  | 
|  | bb:		; preds = %bb.i, %bb, %entry | 
|  | %2 = load volatile i32, i32* @g_9, align 4		; <i32> [#uses=2] | 
|  | %3 = icmp sgt i32 %2, 1		; <i1> [#uses=1] | 
|  | %4 = and i1 %3, %1		; <i1> [#uses=1] | 
|  | br i1 %4, label %bb.i, label %bb | 
|  |  | 
|  | bb.i:		; preds = %bb | 
|  | %5 = icmp sgt i32 0, %2		; <i1> [#uses=0] | 
|  | br label %bb | 
|  | } |