Skip to content

Conversation

@HanKuanChen
Copy link
Contributor

No description provided.

@llvmbot
Copy link
Member

llvmbot commented Jan 22, 2025

@llvm/pr-subscribers-llvm-transforms

Author: Han-Kuan Chen (HanKuanChen)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/123896.diff

1 Files Affected:

  • (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+14-33)
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index fc3afed391a06d..61fa39830b0459 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -9480,6 +9480,15 @@ class BaseShuffleAnalysis {
       return Builder.createShuffleVector(V1, NewMask);
     return Builder.createIdentity(V1);
   }
+
+  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
+  /// shuffle emission.
+  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
+                                        ArrayRef<int> Mask) {
+    for (unsigned I : seq<unsigned>(CommonMask.size()))
+      if (Mask[I] != PoisonMaskElem)
+        CommonMask[I] = I;
+  }
 };
 } // namespace
 
@@ -10309,14 +10318,6 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
     }
     return Cost;
   }
-  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
-  /// shuffle emission.
-  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
-                                        ArrayRef<int> Mask) {
-    for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-      if (Mask[Idx] != PoisonMaskElem)
-        CommonMask[Idx] = Idx;
-  }
   /// Adds the cost of reshuffling \p E1 and \p E2 (if present), using given
   /// mask \p Mask, register number \p Part, that includes \p SliceSize
   /// elements.
@@ -10939,9 +10940,7 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         Cost += createShuffle(Vec, InVectors.back(), CommonMask);
       else
         Cost += createShuffle(Vec, nullptr, CommonMask);
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       assert(VF > 0 &&
              "Expected vector length for the final value before action.");
       Value *V = cast<Value *>(Vec);
@@ -10954,9 +10953,7 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         Cost += createShuffle(Vec, InVectors.back(), CommonMask);
       else
         Cost += createShuffle(Vec, nullptr, CommonMask);
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       // Add subvectors permutation cost.
       if (!SubVectorsMask.empty()) {
         assert(SubVectorsMask.size() <= CommonMask.size() &&
@@ -14202,15 +14199,6 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
                                                        ShuffleBuilder);
   }
 
-  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
-  /// shuffle emission.
-  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
-                                        ArrayRef<int> Mask) {
-    for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-      if (Mask[Idx] != PoisonMaskElem)
-        CommonMask[Idx] = Idx;
-  }
-
   /// Cast value \p V to the vector type with the same number of elements, but
   /// the base type \p ScalarTy.
   Value *castToScalarTyElem(Value *V,
@@ -14541,9 +14529,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
       } else {
         Vec = createShuffle(Vec, nullptr, CommonMask);
       }
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       assert(VF > 0 &&
              "Expected vector length for the final value before action.");
       unsigned VecVF = cast<FixedVectorType>(Vec->getType())->getNumElements();
@@ -14563,9 +14549,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
       } else {
         Vec = createShuffle(Vec, nullptr, CommonMask);
       }
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       auto CreateSubVectors = [&](Value *Vec,
                                   SmallVectorImpl<int> &CommonMask) {
         for (auto [E, Idx] : SubVectors) {
@@ -14606,10 +14590,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
         Value *InsertVec =
             CreateSubVectors(PoisonValue::get(Vec->getType()), CommonMask);
         Vec = createShuffle(InsertVec, Vec, SVMask);
-        for (unsigned I : seq<unsigned>(CommonMask.size())) {
-          if (SVMask[I] != PoisonMaskElem)
-            CommonMask[I] = I;
-        }
+        transformMaskAfterShuffle(CommonMask, SVMask);
       }
       InVectors.front() = Vec;
     }

@llvmbot
Copy link
Member

llvmbot commented Jan 22, 2025

@llvm/pr-subscribers-vectorizers

Author: Han-Kuan Chen (HanKuanChen)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/123896.diff

1 Files Affected:

  • (modified) llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp (+14-33)
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index fc3afed391a06d..61fa39830b0459 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -9480,6 +9480,15 @@ class BaseShuffleAnalysis {
       return Builder.createShuffleVector(V1, NewMask);
     return Builder.createIdentity(V1);
   }
+
+  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
+  /// shuffle emission.
+  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
+                                        ArrayRef<int> Mask) {
+    for (unsigned I : seq<unsigned>(CommonMask.size()))
+      if (Mask[I] != PoisonMaskElem)
+        CommonMask[I] = I;
+  }
 };
 } // namespace
 
@@ -10309,14 +10318,6 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
     }
     return Cost;
   }
-  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
-  /// shuffle emission.
-  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
-                                        ArrayRef<int> Mask) {
-    for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-      if (Mask[Idx] != PoisonMaskElem)
-        CommonMask[Idx] = Idx;
-  }
   /// Adds the cost of reshuffling \p E1 and \p E2 (if present), using given
   /// mask \p Mask, register number \p Part, that includes \p SliceSize
   /// elements.
@@ -10939,9 +10940,7 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         Cost += createShuffle(Vec, InVectors.back(), CommonMask);
       else
         Cost += createShuffle(Vec, nullptr, CommonMask);
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       assert(VF > 0 &&
              "Expected vector length for the final value before action.");
       Value *V = cast<Value *>(Vec);
@@ -10954,9 +10953,7 @@ class BoUpSLP::ShuffleCostEstimator : public BaseShuffleAnalysis {
         Cost += createShuffle(Vec, InVectors.back(), CommonMask);
       else
         Cost += createShuffle(Vec, nullptr, CommonMask);
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       // Add subvectors permutation cost.
       if (!SubVectorsMask.empty()) {
         assert(SubVectorsMask.size() <= CommonMask.size() &&
@@ -14202,15 +14199,6 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
                                                        ShuffleBuilder);
   }
 
-  /// Transforms mask \p CommonMask per given \p Mask to make proper set after
-  /// shuffle emission.
-  static void transformMaskAfterShuffle(MutableArrayRef<int> CommonMask,
-                                        ArrayRef<int> Mask) {
-    for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-      if (Mask[Idx] != PoisonMaskElem)
-        CommonMask[Idx] = Idx;
-  }
-
   /// Cast value \p V to the vector type with the same number of elements, but
   /// the base type \p ScalarTy.
   Value *castToScalarTyElem(Value *V,
@@ -14541,9 +14529,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
       } else {
         Vec = createShuffle(Vec, nullptr, CommonMask);
       }
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       assert(VF > 0 &&
              "Expected vector length for the final value before action.");
       unsigned VecVF = cast<FixedVectorType>(Vec->getType())->getNumElements();
@@ -14563,9 +14549,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
       } else {
         Vec = createShuffle(Vec, nullptr, CommonMask);
       }
-      for (unsigned Idx = 0, Sz = CommonMask.size(); Idx < Sz; ++Idx)
-        if (CommonMask[Idx] != PoisonMaskElem)
-          CommonMask[Idx] = Idx;
+      transformMaskAfterShuffle(CommonMask, CommonMask);
       auto CreateSubVectors = [&](Value *Vec,
                                   SmallVectorImpl<int> &CommonMask) {
         for (auto [E, Idx] : SubVectors) {
@@ -14606,10 +14590,7 @@ class BoUpSLP::ShuffleInstructionBuilder final : public BaseShuffleAnalysis {
         Value *InsertVec =
             CreateSubVectors(PoisonValue::get(Vec->getType()), CommonMask);
         Vec = createShuffle(InsertVec, Vec, SVMask);
-        for (unsigned I : seq<unsigned>(CommonMask.size())) {
-          if (SVMask[I] != PoisonMaskElem)
-            CommonMask[I] = I;
-        }
+        transformMaskAfterShuffle(CommonMask, SVMask);
       }
       InVectors.front() = Vec;
     }

Copy link
Member

@alexey-bataev alexey-bataev left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

LG

@HanKuanChen HanKuanChen merged commit d3aea77 into llvm:main Jan 23, 2025
11 checks passed
@HanKuanChen HanKuanChen deleted the slp-transformMaskAfterShuffle branch January 23, 2025 01:47
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants