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[SLPVectorizer] Clear TreeEntryToStridedPtrInfoMap. #160544

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Merged
merged 6 commits into from
Sep 30, 2025
Merged

[SLPVectorizer] Clear TreeEntryToStridedPtrInfoMap. #160544

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cf12ede
[SLPVectorizer] Clear `TreeEntryToStridedPtrInfoMap`.
Sep 24, 2025
27babc5
[SLPVectorizer] Test `deleteTree`.
Sep 29, 2025
7dc4239
moved the assert
Sep 29, 2025
c55197d
updated test checks and moved the test to RISCV directory.
Sep 29, 2025
15c59c3
re-run CI
Sep 29, 2025
9ab861e
Merge branch 'main' into clear_map
mgudim Sep 29, 2025
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5 changes: 5 additions & 0 deletions llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2105,6 +2105,7 @@ class BoUpSLP {
UserIgnoreList = nullptr;
PostponedGathers.clear();
ValueToGatherNodes.clear();
TreeEntryToStridedPtrInfoMap.clear();
}

unsigned getTreeSize() const { return VectorizableTree.size(); }
Expand Down Expand Up @@ -8948,6 +8949,8 @@ BoUpSLP::findExternalStoreUsersReorderIndices(TreeEntry *TE) const {
void BoUpSLP::buildTree(ArrayRef<Value *> Roots,
const SmallDenseSet<Value *> &UserIgnoreLst) {
deleteTree();
assert(TreeEntryToStridedPtrInfoMap.empty() &&
"TreeEntryToStridedPtrInfoMap is not cleared");
UserIgnoreList = &UserIgnoreLst;
if (!allSameType(Roots))
return;
Expand All @@ -8956,6 +8959,8 @@ void BoUpSLP::buildTree(ArrayRef<Value *> Roots,

void BoUpSLP::buildTree(ArrayRef<Value *> Roots) {
deleteTree();
assert(TreeEntryToStridedPtrInfoMap.empty() &&
"TreeEntryToStridedPtrInfoMap is not cleared");
if (!allSameType(Roots))
return;
buildTreeRec(Roots, 0, EdgeInfo());
Expand Down
83 changes: 83 additions & 0 deletions llvm/test/Transforms/SLPVectorizer/RISCV/test-delete-tree.ll
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@@ -0,0 +1,83 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -mtriple=riscv64 -mattr=+m,+v -passes=slp-vectorizer -S < %s | FileCheck %s

; CHECK-NOT: TreeEntryToStridedPtrInfoMap is not cleared
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Add real checks here

define void @const_stride_1_no_reordering(ptr %pl, ptr %ps) {
; CHECK-LABEL: define void @const_stride_1_no_reordering(
; CHECK-SAME: ptr [[PL:%.*]], ptr [[PS:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[GEP_L0:%.*]] = getelementptr inbounds i8, ptr [[PL]], i64 0
; CHECK-NEXT: [[GEP_S0:%.*]] = getelementptr inbounds i8, ptr [[PS]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = load <16 x i8>, ptr [[GEP_L0]], align 1
; CHECK-NEXT: store <16 x i8> [[TMP1]], ptr [[GEP_S0]], align 1
; CHECK-NEXT: ret void
;
%gep_l0 = getelementptr inbounds i8, ptr %pl, i64 0
%gep_l1 = getelementptr inbounds i8, ptr %pl, i64 1
%gep_l2 = getelementptr inbounds i8, ptr %pl, i64 2
%gep_l3 = getelementptr inbounds i8, ptr %pl, i64 3
%gep_l4 = getelementptr inbounds i8, ptr %pl, i64 4
%gep_l5 = getelementptr inbounds i8, ptr %pl, i64 5
%gep_l6 = getelementptr inbounds i8, ptr %pl, i64 6
%gep_l7 = getelementptr inbounds i8, ptr %pl, i64 7
%gep_l8 = getelementptr inbounds i8, ptr %pl, i64 8
%gep_l9 = getelementptr inbounds i8, ptr %pl, i64 9
%gep_l10 = getelementptr inbounds i8, ptr %pl, i64 10
%gep_l11 = getelementptr inbounds i8, ptr %pl, i64 11
%gep_l12 = getelementptr inbounds i8, ptr %pl, i64 12
%gep_l13 = getelementptr inbounds i8, ptr %pl, i64 13
%gep_l14 = getelementptr inbounds i8, ptr %pl, i64 14
%gep_l15 = getelementptr inbounds i8, ptr %pl, i64 15

%load0 = load i8, ptr %gep_l0
%load1 = load i8, ptr %gep_l1
%load2 = load i8, ptr %gep_l2
%load3 = load i8, ptr %gep_l3
%load4 = load i8, ptr %gep_l4
%load5 = load i8, ptr %gep_l5
%load6 = load i8, ptr %gep_l6
%load7 = load i8, ptr %gep_l7
%load8 = load i8, ptr %gep_l8
%load9 = load i8, ptr %gep_l9
%load10 = load i8, ptr %gep_l10
%load11 = load i8, ptr %gep_l11
%load12 = load i8, ptr %gep_l12
%load13 = load i8, ptr %gep_l13
%load14 = load i8, ptr %gep_l14
%load15 = load i8, ptr %gep_l15

%gep_s0 = getelementptr inbounds i8, ptr %ps, i64 0
%gep_s1 = getelementptr inbounds i8, ptr %ps, i64 1
%gep_s2 = getelementptr inbounds i8, ptr %ps, i64 2
%gep_s3 = getelementptr inbounds i8, ptr %ps, i64 3
%gep_s4 = getelementptr inbounds i8, ptr %ps, i64 4
%gep_s5 = getelementptr inbounds i8, ptr %ps, i64 5
%gep_s6 = getelementptr inbounds i8, ptr %ps, i64 6
%gep_s7 = getelementptr inbounds i8, ptr %ps, i64 7
%gep_s8 = getelementptr inbounds i8, ptr %ps, i64 8
%gep_s9 = getelementptr inbounds i8, ptr %ps, i64 9
%gep_s10 = getelementptr inbounds i8, ptr %ps, i64 10
%gep_s11 = getelementptr inbounds i8, ptr %ps, i64 11
%gep_s12 = getelementptr inbounds i8, ptr %ps, i64 12
%gep_s13 = getelementptr inbounds i8, ptr %ps, i64 13
%gep_s14 = getelementptr inbounds i8, ptr %ps, i64 14
%gep_s15 = getelementptr inbounds i8, ptr %ps, i64 15

store i8 %load0, ptr %gep_s0
store i8 %load1, ptr %gep_s1
store i8 %load2, ptr %gep_s2
store i8 %load3, ptr %gep_s3
store i8 %load4, ptr %gep_s4
store i8 %load5, ptr %gep_s5
store i8 %load6, ptr %gep_s6
store i8 %load7, ptr %gep_s7
store i8 %load8, ptr %gep_s8
store i8 %load9, ptr %gep_s9
store i8 %load10, ptr %gep_s10
store i8 %load11, ptr %gep_s11
store i8 %load12, ptr %gep_s12
store i8 %load13, ptr %gep_s13
store i8 %load14, ptr %gep_s14
store i8 %load15, ptr %gep_s15

ret void
}