; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 ; RUN: opt -p loop-vectorize -S %s | FileCheck %s target triple = "armv7-unknown-linux-gnueabihf" define void @replicating_load_used_by_other_load(i32 %arg, ptr %a, i32 %b) { ; CHECK-LABEL: define void @replicating_load_used_by_other_load( ; CHECK-SAME: i32 [[ARG:%.*]], ptr [[A:%.*]], i32 [[B:%.*]]) { ; CHECK-NEXT: [[ENTRY:.*]]: ; CHECK-NEXT: br label %[[LOOP:.*]] ; CHECK: [[LOOP]]: ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[LOOP]] ], [ [[ARG]], %[[ENTRY]] ] ; CHECK-NEXT: [[SHR:%.*]] = lshr i32 [[IV]], 1 ; CHECK-NEXT: [[AND_1:%.*]] = and i32 [[IV]], 1 ; CHECK-NEXT: [[SHL_1:%.*]] = shl i32 [[IV]], 2 ; CHECK-NEXT: [[SHL_2:%.*]] = shl i32 [[IV]], 1 ; CHECK-NEXT: [[AND_2:%.*]] = and i32 [[SHL_2]], 2 ; CHECK-NEXT: [[OR_1:%.*]] = or i32 [[AND_2]], [[AND_1]] ; CHECK-NEXT: [[OR_2:%.*]] = or i32 [[OR_1]], [[SHL_1]] ; CHECK-NEXT: [[XOR_1:%.*]] = xor i32 [[B]], [[OR_2]] ; CHECK-NEXT: [[XOR_2:%.*]] = xor i32 [[XOR_1]], [[ARG]] ; CHECK-NEXT: [[SHR_2:%.*]] = lshr i32 [[SHL_1]], 1 ; CHECK-NEXT: [[XOR_3:%.*]] = xor i32 [[SHR]], [[ARG]] ; CHECK-NEXT: [[AND_3:%.*]] = and i32 [[XOR_3]], 1 ; CHECK-NEXT: [[AND_4:%.*]] = and i32 [[IV]], 2147483646 ; CHECK-NEXT: [[OR_3:%.*]] = or i32 [[AND_3]], [[AND_4]] ; CHECK-NEXT: [[AND_5:%.*]] = and i32 [[IV]], 254 ; CHECK-NEXT: [[SHL_3:%.*]] = shl i32 [[OR_3]], 1 ; CHECK-NEXT: [[XOR_4:%.*]] = xor i32 [[SHL_3]], 2 ; CHECK-NEXT: [[OR_4:%.*]] = or i32 [[AND_5]], [[XOR_4]] ; CHECK-NEXT: [[XOR_5:%.*]] = xor i32 [[SHR_2]], [[OR_4]] ; CHECK-NEXT: [[XOR_6:%.*]] = xor i32 [[XOR_5]], [[XOR_2]] ; CHECK-NEXT: [[AND_6:%.*]] = and i32 [[XOR_6]], 255 ; CHECK-NEXT: [[XOR_7:%.*]] = xor i32 [[AND_6]], 1 ; CHECK-NEXT: [[GEP:%.*]] = getelementptr i8, ptr [[A]], i32 [[XOR_7]] ; CHECK-NEXT: [[LD:%.*]] = load i8, ptr [[GEP]], align 1 ; CHECK-NEXT: [[ZEXT:%.*]] = zext i8 [[LD]] to i32 ; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr i32, ptr null, i32 [[ZEXT]] ; CHECK-NEXT: store i32 0, ptr [[GEP_2]], align 4 ; CHECK-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1 ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[IV_NEXT]], 100 ; CHECK-NEXT: br i1 [[CMP]], label %[[EXIT:.*]], label %[[LOOP]] ; CHECK: [[EXIT]]: ; CHECK-NEXT: ret void ; entry: br label %loop loop: %iv = phi i32 [ %iv.next, %loop ], [ %arg, %entry ] %shr = lshr i32 %iv, 1 %and.1 = and i32 %iv, 1 %shl.1 = shl i32 %iv, 2 %shl.2 = shl i32 %iv, 1 %and.2 = and i32 %shl.2, 2 %or.1 = or i32 %and.2, %and.1 %or.2 = or i32 %or.1, %shl.1 %xor.1 = xor i32 %b, %or.2 %xor.2 = xor i32 %xor.1, %arg %shr.2 = lshr i32 %shl.1, 1 %xor.3 = xor i32 %shr, %arg %and.3 = and i32 %xor.3, 1 %and.4 = and i32 %iv, 2147483646 %or.3 = or i32 %and.3, %and.4 %and.5 = and i32 %iv, 254 %shl.3 = shl i32 %or.3, 1 %xor.4 = xor i32 %shl.3, 2 %or.4 = or i32 %and.5, %xor.4 %xor.5 = xor i32 %shr.2, %or.4 %xor.6 = xor i32 %xor.5, %xor.2 %and.6 = and i32 %xor.6, 255 %xor.7 = xor i32 %and.6, 1 %gep = getelementptr i8, ptr %a, i32 %xor.7 %ld = load i8, ptr %gep, align 1 %zext = zext i8 %ld to i32 %gep.2 = getelementptr i32, ptr null, i32 %zext store i32 0, ptr %gep.2, align 4 %iv.next = add i32 %iv, 1 %cmp = icmp eq i32 %iv.next, 100 br i1 %cmp, label %exit, label %loop exit: ret void }