1; RUN: opt < %s -force-vector-width=4 -force-vector-interleave=2 -passes=loop-vectorize,instcombine -S | FileCheck %s 2; RUN: opt < %s -force-vector-width=4 -force-vector-interleave=2 -passes=loop-vectorize -S | FileCheck %s --check-prefix=NO-IC 3 4target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 5 6; CHECK-LABEL: @scalar_after_vectorization_0 7; 8; CHECK: vector.body: 9; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 10; CHECK: [[OFFSET_IDX:%.+]] = or disjoint i64 %index, 1 11; CHECK: %[[T2:.+]] = add nuw nsw i64 [[OFFSET_IDX]], %tmp0 12; CHECK: %[[T3:.+]] = sub nsw i64 %[[T2]], %x 13; CHECK: %[[T4:.+]] = getelementptr inbounds i32, ptr %a, i64 %[[T3]] 14; CHECK: %[[T6:.+]] = getelementptr inbounds nuw i8, ptr %[[T4]], i64 16 15; CHECK: load <4 x i32>, ptr %[[T4]], align 4 16; CHECK: load <4 x i32>, ptr %[[T6]], align 4 17; CHECK: br {{.*}}, label %middle.block, label %vector.body 18; 19; NO-IC-LABEL: @scalar_after_vectorization_0 20; 21; NO-IC: vector.body: 22; NO-IC: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 23; NO-IC: [[OFFSET_IDX:%.+]] = add i64 1, %index 24; NO-IC: %[[T2:.+]] = add i64 [[OFFSET_IDX]], 0 25; NO-IC: %[[T4:.+]] = add nuw nsw i64 %[[T2]], %tmp0 26; NO-IC: %[[T6:.+]] = sub nsw i64 %[[T4]], %x 27; NO-IC: %[[T8:.+]] = getelementptr inbounds i32, ptr %a, i64 %[[T6]] 28; NO-IC: %[[T10:.+]] = getelementptr inbounds i32, ptr %[[T8]], i32 0 29; NO-IC: %[[T12:.+]] = getelementptr inbounds i32, ptr %[[T8]], i32 4 30; NO-IC: load <4 x i32>, ptr %[[T10]], align 4 31; NO-IC: load <4 x i32>, ptr %[[T12]], align 4 32; NO-IC: br {{.*}}, label %middle.block, label %vector.body 33; 34define void @scalar_after_vectorization_0(ptr noalias %a, ptr noalias %b, i64 %x, i64 %y) { 35 36outer.ph: 37 br label %outer.body 38 39outer.body: 40 %i = phi i64 [ 1, %outer.ph ], [ %i.next, %inner.end ] 41 %tmp0 = mul nuw nsw i64 %i, %x 42 br label %inner.ph 43 44inner.ph: 45 br label %inner.body 46 47inner.body: 48 %j = phi i64 [ 1, %inner.ph ], [ %j.next, %inner.body ] 49 %tmp1 = add nuw nsw i64 %j, %tmp0 50 %tmp2 = sub nsw i64 %tmp1, %x 51 %tmp3 = getelementptr inbounds i32, ptr %a, i64 %tmp2 52 %tmp4 = load i32, ptr %tmp3, align 4 53 %tmp5 = getelementptr inbounds i32, ptr %b, i64 %tmp1 54 store i32 %tmp4, ptr %tmp5, align 4 55 %j.next = add i64 %j, 1 56 %cond.j = icmp slt i64 %j.next, %y 57 br i1 %cond.j, label %inner.body, label %inner.end 58 59inner.end: 60 %i.next = add i64 %i, 1 61 %cond.i = icmp slt i64 %i.next, %y 62 br i1 %cond.i, label %outer.body, label %outer.end 63 64outer.end: 65 ret void 66} 67