1 ; RUN: llc < %s -march=x86 | grep "(%esp)" | count 4 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" 3 target triple = "i386-apple-darwin9.5" 4 ; a - a should be found and removed, leaving refs to only L and P 5 define i32 @test(i32 %a, i32 %L, i32 %P) nounwind { 6 entry: 7 %0 = add i32 %a, %L 8 %1 = add i32 %P, %0 9 %2 = sub i32 %1, %a 10 br label %return 11 12 return: ; preds = %bb3 13 ret i32 %2 14 } 15 define i32 @test2(i32 %a, i32 %L, i32 %P) nounwind { 16 entry: 17 %0 = add i32 %L, %a 18 %1 = add i32 %P, %0 19 %2 = sub i32 %1, %a 20 br label %return 21 22 return: ; preds = %bb3 23 ret i32 %2 24 } 25