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llvm-project/llvm/test/Transforms/LoopVectorize/first-order-recurrence-chains.ll
Florian Hahn a9ac22b501
[LV] Add users for loads to make tests more robust. 
Update a few tests to add users to loads to avoid them being optimized
out by future changes. In cases the unused loads didn't matter for the
test, remove them.
2023-02-04 20:42:57 +00:00

663 lines
35 KiB
LLVM
Raw Blame History

; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S %s | FileCheck %s
define void @test_chained_first_order_recurrences_1(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_1
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = add <4 x i16> [[TMP4]], [[TMP5]]
; CHECK-NEXT: store <4 x i16> [[TMP6]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP8]], label %middle.block, label %vector.body
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add = add i16 %for.1, %for.2
store i16 %add, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_2(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_2
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = add <4 x i16> [[TMP4]], [[TMP5]]
; CHECK-NEXT: store <4 x i16> [[TMP6]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP8]], label %middle.block, label %vector.body, !llvm.loop [[LOOP4:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI3:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
;
entry:
br label %loop
loop:
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add = add i16 %for.1, %for.2
store i16 %add, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_3(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_3
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP5:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR2]], <4 x i16> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i16> [[TMP4]], [[TMP5]]
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i16> [[TMP7]], [[TMP6]]
; CHECK-NEXT: store <4 x i16> [[TMP8]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP10]], label %middle.block, label %vector.body, !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT7:%.*]] = extractelement <4 x i16> [[TMP5]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI8:%.*]] = extractelement <4 x i16> [[TMP5]], i32 2
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.3 = phi i16 [ 33, %entry ], [ %for.2, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.1, %for.2
%add.2 = add i16 %add.1, %for.3
store i16 %add.2, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_cyclic_phis(ptr %ptr) {
; CHECK-LABEL: @test_cyclic_phis
; CHECK-NOT: vector.body:
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %for.2, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add = add i16 %for.1, %for.2
store i16 %add, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_first_order_recurrences_incoming_cycle_preheader(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_incoming_cycle_preheader
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i16> [[TMP4]], <i16 10, i16 10, i16 10, i16 10>
; CHECK-NEXT: store <4 x i16> [[TMP5]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP7]], label %middle.block, label %vector.body
;
entry:
br label %loop.1
loop.1:
%p = phi i16 [ 0, %entry ], [ %p, %loop.1 ]
br i1 true, label %loop, label %loop.1
loop:
%for.1 = phi i16 [ %p, %loop.1 ], [ %for.1.next, %loop ]
%iv = phi i64 [ 0, %loop.1 ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add = add i16 %for.1, 10
store i16 %add, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_3_reordered_1(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_3_reordered_1
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP5:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR2]], <4 x i16> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i16> [[TMP4]], [[TMP5]]
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i16> [[TMP7]], [[TMP6]]
; CHECK-NEXT: store <4 x i16> [[TMP8]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP10]], label %middle.block, label %vector.body, !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT7:%.*]] = extractelement <4 x i16> [[TMP5]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI8:%.*]] = extractelement <4 x i16> [[TMP5]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
;
entry:
br label %loop
loop:
%for.3 = phi i16 [ 33, %entry ], [ %for.2, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.1, %for.2
%add.2 = add i16 %add.1, %for.3
store i16 %add.2, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_3_reordered_2(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_3_reordered_2
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP5:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR2]], <4 x i16> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i16> [[TMP4]], [[TMP5]]
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i16> [[TMP7]], [[TMP6]]
; CHECK-NEXT: store <4 x i16> [[TMP8]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP10]], label %middle.block, label %vector.body, !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT7:%.*]] = extractelement <4 x i16> [[TMP5]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI8:%.*]] = extractelement <4 x i16> [[TMP5]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
;
entry:
br label %loop
loop:
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.3 = phi i16 [ 33, %entry ], [ %for.2, %loop ]
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.1, %for.2
%add.2 = add i16 %add.1, %for.3
store i16 %add.2, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_3_for2_no_other_uses(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_3_for2_no_other_uses
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP5:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR2]], <4 x i16> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP7:%.*]] = add <4 x i16> [[TMP4]], <i16 10, i16 10, i16 10, i16 10>
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i16> [[TMP7]], [[TMP6]]
; CHECK-NEXT: store <4 x i16> [[TMP8]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP10]], label %middle.block, label %vector.body, !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT7:%.*]] = extractelement <4 x i16> [[TMP5]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI8:%.*]] = extractelement <4 x i16> [[TMP5]], i32 2
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.3 = phi i16 [ 33, %entry ], [ %for.2, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.1, 10
%add.2 = add i16 %add.1, %for.3
store i16 %add.2, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrences_3_for1_for2_no_other_uses(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrences_3_for1_for2_no_other_uses
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 22>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 33>, %vector.ph ], [ [[TMP5:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, ptr [[TMP2]], align 2
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5]] = shufflevector <4 x i16> [[VECTOR_RECUR1]], <4 x i16> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR2]], <4 x i16> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP8:%.*]] = add <4 x i16> [[TMP6]], <i16 10, i16 10, i16 10, i16 10>
; CHECK-NEXT: store <4 x i16> [[TMP8]], ptr [[TMP2]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP10]], label %middle.block, label %vector.body, !llvm.loop [[LOOP6:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i16> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i16> [[TMP4]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT7:%.*]] = extractelement <4 x i16> [[TMP5]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI8:%.*]] = extractelement <4 x i16> [[TMP5]], i32 2
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %for.1.next, %loop ]
%for.2 = phi i16 [ 33, %entry ], [ %for.1, %loop ]
%for.3 = phi i16 [ 33, %entry ], [ %for.2, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.3, 10
store i16 %add.1, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_chained_first_order_recurrence_sink_users_1(ptr %ptr) {
; CHECK-LABEL: @test_chained_first_order_recurrence_sink_users_1
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ <double poison, double poison, double poison, double 1.000000e+01>, %vector.ph ], [ [[WIDE_LOAD:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x double> [ <double poison, double poison, double poison, double 2.000000e+01>, %vector.ph ], [ [[TMP4:%.*]], %vector.body ]
; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 1, [[INDEX]]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[OFFSET_IDX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds double, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds double, ptr [[TMP1]], i32 0
; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x double>, ptr [[TMP2]], align 8
; CHECK-NEXT: [[TMP4]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR1]], <4 x double> [[TMP4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP6:%.*]] = fadd <4 x double> <double 1.000000e+01, double 1.000000e+01, double 1.000000e+01, double 1.000000e+01>, [[TMP5]]
; CHECK-NEXT: [[TMP7:%.*]] = fadd <4 x double> [[TMP6]], [[TMP4]]
; CHECK-NEXT: store <4 x double> [[TMP7]], ptr [[TMP2]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 996
; CHECK-NEXT: br i1 [[TMP9]], label %middle.block, label %vector.body, !llvm.loop [[LOOP10:![0-9]+]]
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 999, 996
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x double> [[WIDE_LOAD]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x double> [[WIDE_LOAD]], i32 2
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = extractelement <4 x double> [[TMP4]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI3:%.*]] = extractelement <4 x double> [[TMP4]], i32 2
;
entry:
br label %loop
loop:
%for.1 = phi double [ 10.0, %entry ], [ %for.1.next, %loop ]
%for.2 = phi double [ 20.0, %entry ], [ %for.1, %loop ]
%iv = phi i64 [ 1, %entry ], [ %iv.next, %loop ]
%add.1 = fadd double 10.0, %for.2
%add.2 = fadd double %add.1, %for.1
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds double, ptr %ptr, i64 %iv
%for.1.next = load double, ptr %gep.ptr, align 8
store double %add.2, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_first_order_recurrences_and_reduction(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_and_reduction(
; CHECK-NOT: vector.body:
;
entry:
br label %loop
loop:
%for.1 = phi i16 [ 22, %entry ], [ %red, %loop ]
%red = phi i16 [ 33, %entry ], [ %red.next, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i16, ptr %ptr, i64 %iv
%lv = load i16, ptr %gep.ptr
%for.1.next = load i16, ptr %gep.ptr, align 2
%add.1 = add i16 %for.1, 10
%red.next = add i16 %red, %lv
store i16 %add.1, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_first_order_recurrences_and_induction(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_and_induction(
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 22>, %vector.ph ], [ [[VEC_IND:%.*]], %vector.body ]
; CHECK-NEXT: [[VEC_IND]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> [[VEC_IND]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i64> [[TMP1]], <i64 10, i64 10, i64 10, i64 10>
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
; CHECK-NEXT: store <4 x i64> [[TMP4]], ptr [[TMP3]], align 4
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP5]], label %middle.block, label %vector.body
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i64> [[VEC_IND]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i64> [[VEC_IND]], i32 2
; CHECK-NEXT: br i1 [[CMP_N]]
entry:
br label %loop
loop:
%for.1 = phi i64 [ 22, %entry ], [ %iv, %loop ]
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i64, ptr %ptr, i64 %iv
%add.1 = add i64 %for.1, 10
store i64 %add.1, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
; Same as @test_first_order_recurrences_and_induction but with order of phis
; flipped.
define void @test_first_order_recurrences_and_induction2(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_and_induction2(
; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 22>, %vector.ph ], [ [[VEC_IND]], %vector.body ]
; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> [[VEC_IND]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[PTR:%.*]], i64 [[TMP0]]
; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i64> [[TMP1]], <i64 10, i64 10, i64 10, i64 10>
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
; CHECK-NEXT: store <4 x i64> [[TMP4]], ptr [[TMP3]], align 4
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP5]], label %middle.block, label %vector.body
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i64> [[VEC_IND]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i64> [[VEC_IND]], i32 2
; CHECK-NEXT: br i1 [[CMP_N]]
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%for.1 = phi i64 [ 22, %entry ], [ %iv, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds i64, ptr %ptr, i64 %iv
%add.1 = add i64 %for.1, 10
store i64 %add.1, ptr %gep.ptr
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
define void @test_first_order_recurrences_and_pointer_induction1(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_and_pointer_induction1(
; CHECK: vector.ph:
; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 4000
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
; CHECK: vector.body:
; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[PTR]], %vector.ph ], [ [[PTR_IND:%.*]], %vector.body ]
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x ptr> [ <ptr poison, ptr poison, ptr poison, ptr null>, %vector.ph ], [ [[TMP0:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> <i64 0, i64 4, i64 8, i64 12>
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x ptr> [[VECTOR_RECUR]], <4 x ptr> [[TMP0]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds ptr, ptr [[PTR]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds ptr, ptr [[TMP3]], i32 0
; CHECK-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP4]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP5]], label %middle.block, label %vector.body
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 2
; CHECK-NEXT: br i1 [[CMP_N]],
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%for.1 = phi ptr [ null, %entry ], [ %ptr.iv, %loop ]
%ptr.iv = phi ptr [ %ptr, %entry ], [ %ptr.iv.next, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds ptr, ptr %ptr, i64 %iv
store ptr %ptr.iv, ptr %gep.ptr
%ptr.iv.next = getelementptr i32, ptr %ptr.iv, i64 1
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
; same as @test_first_order_recurrences_and_pointer_induction1 but with order
; of phis flipped.
define void @test_first_order_recurrences_and_pointer_induction2(ptr %ptr) {
; CHECK-LABEL: @test_first_order_recurrences_and_pointer_induction2(
; CHECK: vector.ph:
; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 4000
; CHECK-NEXT: br label %vector.body
; CHECK: vector.body:
; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[PTR]], %vector.ph ], [ [[PTR_IND:%.*]], %vector.body ]
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x ptr> [ <ptr poison, ptr poison, ptr poison, ptr null>, %vector.ph ], [ [[TMP0:%.*]], %vector.body ]
; CHECK-NEXT: [[TMP0]] = getelementptr i8, ptr [[POINTER_PHI]], <4 x i64> <i64 0, i64 4, i64 8, i64 12>
; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x ptr> [[VECTOR_RECUR]], <4 x ptr> [[TMP0]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds ptr, ptr [[PTR]], i64 [[TMP1]]
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds ptr, ptr [[TMP3]], i32 0
; CHECK-NEXT: store <4 x ptr> [[TMP0]], ptr [[TMP4]], align 8
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 16
; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP5]], label %middle.block, label %vector.body
; CHECK: middle.block:
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 3
; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x ptr> [[TMP0]], i32 2
; CHECK-NEXT: br i1 [[CMP_N]],
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%ptr.iv = phi ptr [ %ptr, %entry ], [ %ptr.iv.next, %loop ]
%for.1 = phi ptr [ null, %entry ], [ %ptr.iv, %loop ]
%iv.next = add nuw nsw i64 %iv, 1
%gep.ptr = getelementptr inbounds ptr, ptr %ptr, i64 %iv
store ptr %ptr.iv, ptr %gep.ptr
%ptr.iv.next = getelementptr i32, ptr %ptr.iv, i64 1
%exitcond.not = icmp eq i64 %iv.next, 1000
br i1 %exitcond.not, label %exit, label %loop
exit:
ret void
}
; Make sure LLVM doesn't generate wrong data in SinkAfter, and causes crash in
; loop vectorizer.
define void @test_crash(ptr %p) {
; CHECK-LABEL: @test_crash
; CHECK-NOT: vector.body:
; CHECK: ret
Entry:
br label %Loop
Loop:
%for.1 = phi double [ %iv1, %Loop ], [ 0.000000e+00, %Entry ]
%for.2 = phi double [ %iv2, %Loop ], [ 0.000000e+00, %Entry ]
%for.3 = phi double [ %for.2, %Loop ], [ 0.000000e+00, %Entry ]
%for.4 = phi i64 [ %count, %Loop ], [ 0, %Entry ]
%USE_2_INDVARS = fdiv double %for.3, %for.1
%div = fdiv double 0.000000e+00, %for.1
%iv1 = load double, ptr null, align 8
%count = add nuw nsw i64 %for.4, 1
%iv2 = load double, ptr null, align 8
store double %div, ptr %p, align 8
%cond = icmp eq i64 %count, 0
br i1 %cond, label %End, label %Loop
End:
ret void
}
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