; 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 i32 @test(i32 %a, i32 %L, i32 %P) nounwind { entry: %0 = sub i32 %a, %L %1 = add i32 %P, %0 %2 = sub i32 %1, %a br label %return return: ; preds = %bb3 ret i32 %2 }