| ; RUN: llc < %s | grep "(%esp)" | count 4 | 
 | 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 i32 @test(i32 %a, i32 %L, i32 %P) nounwind { | 
 | entry: | 
 |         %0 = add i32 %a, %L | 
 |         %1 = add i32 %P, %0 | 
 | 	%2 = sub i32 %1, %a | 
 | 	br label %return | 
 |  | 
 | return:		; preds = %bb3 | 
 | 	ret i32 %2 | 
 | } | 
 | define i32 @test2(i32 %a, i32 %L, i32 %P) nounwind { | 
 | entry: | 
 |         %0 = add i32 %L, %a | 
 |         %1 = add i32 %P, %0 | 
 | 	%2 = sub i32 %1, %a | 
 | 	br label %return | 
 |  | 
 | return:		; preds = %bb3 | 
 | 	ret i32 %2 | 
 | } |