1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget 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" 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare void @foo(i8) 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine void @not_addressing_mode(i8* %input, i64 %n) { 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @not_addressing_mode( 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker br label %loop 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerloop: 13*9880d681SAndroid Build Coastguard Worker; CHECK: loop: 14*9880d681SAndroid Build Coastguard Worker; CHECK: %lsr.iv = phi i8* [ {{%[^,]+}}, %loop ], [ %input, %entry ] 15*9880d681SAndroid Build Coastguard Worker %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] 16*9880d681SAndroid Build Coastguard Worker %i.next = add i64 %i, 1 17*9880d681SAndroid Build Coastguard Worker %j = mul i64 %i, -2 18*9880d681SAndroid Build Coastguard Worker ; (%input - 2 * %j) is not foldable. Worth another indvar. 19*9880d681SAndroid Build Coastguard Worker %p = getelementptr i8, i8* %input, i64 %j 20*9880d681SAndroid Build Coastguard Worker %v = load i8, i8* %p 21*9880d681SAndroid Build Coastguard Worker; CHECK: %v = load i8, i8* %lsr.iv 22*9880d681SAndroid Build Coastguard Worker call void @foo(i8 %v) 23*9880d681SAndroid Build Coastguard Worker %exitcond = icmp slt i64 %i.next, %n 24*9880d681SAndroid Build Coastguard Worker br i1 %exitcond, label %exit, label %loop 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerexit: 27*9880d681SAndroid Build Coastguard Worker ret void 28*9880d681SAndroid Build Coastguard Worker} 29