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2fab927546
Check lines for some of these tests were regenerated. The difference is that with opaque pointers SCEVExpander always emits i8 GEPs, making the address calculation explicit. This is a known problem that will be solved long term by making all address calculations explicit.
53 lines
2.5 KiB
LLVM
53 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=2 -S %s | FileCheck --check-prefix=VF1 %s
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; RUN: opt -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S %s | FileCheck --check-prefix=VF2 %s
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@f = external dso_local global i32, align 4
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define void @int_iv_based_on_pointer_iv(ptr %A) {
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; VF1-LABEL: @int_iv_based_on_pointer_iv(
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; VF1: vector.body:
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; VF1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
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; VF1-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4
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; VF1-NEXT: [[INDUCTION:%.*]] = add i64 [[OFFSET_IDX]], 0
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; VF1-NEXT: [[INDUCTION3:%.*]] = add i64 [[OFFSET_IDX]], 4
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; VF1-NEXT: [[TMP7:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[INDUCTION]]
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; VF1-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[INDUCTION3]]
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; VF1-NEXT: store i8 0, ptr [[TMP7]], align 1
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; VF1-NEXT: store i8 0, ptr [[TMP8]], align 1
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; VF1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
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; VF1-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]],
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; VF1-NEXT: br i1 [[TMP13]], label %middle.block, label %vector.body
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;
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; VF2-LABEL: @int_iv_based_on_pointer_iv(
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; VF2: vector.body:
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; VF2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
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; VF2-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 4
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; VF2-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0
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; VF2-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 4
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; VF2-NEXT: [[TMP9:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[TMP3]]
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; VF2-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[TMP4]]
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; VF2-NEXT: store i8 0, ptr [[TMP9]], align 1
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; VF2-NEXT: store i8 0, ptr [[TMP10]], align 1
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; VF2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
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; VF2-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]],
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; VF2-NEXT: br i1 [[TMP14]], label %middle.block, label %vector.body
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;
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entry:
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br label %loop
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loop:
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%iv.int = phi i64 [ 0, %entry ], [ %iv.int.next, %loop ]
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%iv.ptr = phi ptr [ null, %entry ], [ %iv.ptr.next, %loop ]
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%iv.ptr.next = getelementptr inbounds i32, ptr %iv.ptr, i64 1
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%gep.A = getelementptr inbounds i8, ptr %A, i64 %iv.int
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store i8 0, ptr %gep.A
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%iv.int.next = ptrtoint ptr %iv.ptr.next to i64
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%sub.ptr.sub = sub i64 ptrtoint (ptr @f to i64), %iv.int.next
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%cmp = icmp sgt i64 %sub.ptr.sub, 0
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br i1 %cmp, label %loop, label %exit
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exit:
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ret void
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}
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