1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S %s | FileCheck --check-prefix=VF1 %s 3; RUN: opt -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S %s | FileCheck --check-prefix=VF2 %s 4 5@f = external dso_local global i32, align 4 6 7define void @int_iv_based_on_pointer_iv(ptr %A) { 8; VF1-LABEL: @int_iv_based_on_pointer_iv( 9; VF1: vector.body: 10; VF1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 11; VF1-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 12; VF1-NEXT: [[INDUCTION:%.*]] = add i64 [[OFFSET_IDX]], 0 13; VF1-NEXT: [[INDUCTION3:%.*]] = add i64 [[OFFSET_IDX]], 4 14; VF1-NEXT: [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[INDUCTION]] 15; VF1-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDUCTION3]] 16; VF1-NEXT: store i8 0, ptr [[TMP7]], align 1 17; VF1-NEXT: store i8 0, ptr [[TMP8]], align 1 18; VF1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 19; VF1-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 20; VF1-NEXT: br i1 [[TMP13]], label %middle.block, label %vector.body 21; 22; VF2-LABEL: @int_iv_based_on_pointer_iv( 23; VF2: vector.body: 24; VF2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] 25; VF2-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4 26; VF2-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0 27; VF2-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 4 28; VF2-NEXT: [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[TMP3]] 29; VF2-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[TMP4]] 30; VF2-NEXT: store i8 0, ptr [[TMP9]], align 1 31; VF2-NEXT: store i8 0, ptr [[TMP10]], align 1 32; VF2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 33; VF2-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], 34; VF2-NEXT: br i1 [[TMP14]], label %middle.block, label %vector.body 35; 36entry: 37 br label %loop 38 39loop: 40 %iv.int = phi i64 [ 0, %entry ], [ %iv.int.next, %loop ] 41 %iv.ptr = phi ptr [ null, %entry ], [ %iv.ptr.next, %loop ] 42 %iv.ptr.next = getelementptr inbounds i32, ptr %iv.ptr, i64 1 43 %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv.int 44 store i8 0, ptr %gep.A 45 %iv.int.next = ptrtoint ptr %iv.ptr.next to i64 46 %sub.ptr.sub = sub i64 ptrtoint (ptr @f to i64), %iv.int.next 47 %cmp = icmp sgt i64 %sub.ptr.sub, 0 48 br i1 %cmp, label %loop, label %exit 49 50exit: 51 ret void 52} 53