; RUN: opt < %s -loop-reduce -S | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" declare void @foo(i8) define void @not_addressing_mode(i8* %input, i64 %n) { ; CHECK-LABEL: @not_addressing_mode( entry: br label %loop loop: ; CHECK: loop: ; CHECK: %lsr.iv = phi i8* [ {{%[^,]+}}, %loop ], [ %input, %entry ] %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] %i.next = add i64 %i, 1 %j = mul i64 %i, -2 ; (%input - 2 * %j) is not foldable. Worth another indvar. %p = getelementptr i8, i8* %input, i64 %j %v = load i8, i8* %p ; CHECK: %v = load i8, i8* %lsr.iv call void @foo(i8 %v) %exitcond = icmp slt i64 %i.next, %n br i1 %exitcond, label %exit, label %loop exit: ret void }