; Don't reduce the byte access to P[i], at least not on targets that ; support an efficient 'mem[r1+r2]' addressing mode. ; RUN: opt < %s -loop-reduce -disable-output declare i1 @pred(i32) define void @test(i8* %PTR) { ; <label>:0 br label %Loop Loop: ; preds = %Loop, %0 %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2] %STRRED = getelementptr i8, i8* %PTR, i32 %INDVAR ; <i8*> [#uses=1] store i8 0, i8* %STRRED %INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=2] ;; cannot eliminate indvar %cond = call i1 @pred( i32 %INDVAR2 ) ; <i1> [#uses=1] br i1 %cond, label %Loop, label %Out Out: ; preds = %Loop ret void }