|  | ; RUN: llc < %s -march=x86 | grep "(%esp)" | count 2 | 
|  | 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-darwin9.5" | 
|  | ; a - a should be found and removed, leaving refs to only L and P | 
|  | define i8* @test(i8* %a, i8* %L, i8* %P) nounwind { | 
|  | entry: | 
|  | %0 = ptrtoint i8* %a to i32 | 
|  | %1 = ptrtoint i8* %P to i32 | 
|  | %2 = sub i32 %1, %0 | 
|  | %3 = ptrtoint i8* %L to i32 | 
|  | %4 = sub i32 %2, %3         	; <i32> [#uses=1] | 
|  | %5 = getelementptr i8* %a, i32 %4		; <i8*> [#uses=1] | 
|  | br label %return | 
|  |  | 
|  | return:		; preds = %bb3 | 
|  | ret i8* %5 | 
|  | } |