[PATCH] D110146: [IR] Add the constructor of ShuffleVector for one-input-vector.

[Hyeongyu Kim via Phabricator via llvm-commits]

hyeongyukim updated this revision to Diff 373884.
hyeongyukim added a comment.

rebase and change function name.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110146/new/

https://reviews.llvm.org/D110146

Files:
  llvm/include/llvm/IR/Instructions.h
  llvm/lib/IR/Instructions.cpp


Index: llvm/lib/IR/Instructions.cpp
===================================================================
--- llvm/lib/IR/Instructions.cpp
+++ llvm/lib/IR/Instructions.cpp
@@ -1907,6 +1907,32 @@
 //                      ShuffleVectorInst Implementation
 //===----------------------------------------------------------------------===//
 
+static Value *createPlaceholderForShuffleVector(Value *V) {
+  assert(V && "Cannot create placeholder of nullptr V");
+  return PoisonValue::get(V->getType());
+}
+
+ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *Mask, const Twine &Name,
+                                     Instruction *InsertBefore)
+    : ShuffleVectorInst(V1, createPlaceholderForShuffleVector(V1), Mask, Name,
+                        InsertBefore) {}
+
+ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *Mask, const Twine &Name,
+                                     BasicBlock *InsertAtEnd)
+    : ShuffleVectorInst(V1, createPlaceholderForShuffleVector(V1), Mask, Name,
+                        InsertAtEnd) {}
+
+ShuffleVectorInst::ShuffleVectorInst(Value *V1, ArrayRef<int> Mask,
+                                     const Twine &Name,
+                                     Instruction *InsertBefore)
+    : ShuffleVectorInst(V1, createPlaceholderForShuffleVector(V1), Mask, Name,
+                        InsertBefore) {}
+
+ShuffleVectorInst::ShuffleVectorInst(Value *V1, ArrayRef<int> Mask,
+                                     const Twine &Name, BasicBlock *InsertAtEnd)
+    : ShuffleVectorInst(V1, createPlaceholderForShuffleVector(V1), Mask, Name,
+                        InsertAtEnd) {}
+
 ShuffleVectorInst::ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
                                      const Twine &Name,
                                      Instruction *InsertBefore)
Index: llvm/include/llvm/IR/Instructions.h
===================================================================
--- llvm/include/llvm/IR/Instructions.h
+++ llvm/include/llvm/IR/Instructions.h
@@ -2017,6 +2017,14 @@
   ShuffleVectorInst *cloneImpl() const;
 
 public:
+  ShuffleVectorInst(Value *V1, Value *Mask, const Twine &NameStr = "",
+                    Instruction *InsertBefore = nullptr);
+  ShuffleVectorInst(Value *V1, Value *Mask, const Twine &NameStr,
+                    BasicBlock *InsertAtEnd);
+  ShuffleVectorInst(Value *V1, ArrayRef<int> Mask, const Twine &NameStr = "",
+                    Instruction *InsertBefore = nullptr);
+  ShuffleVectorInst(Value *V1, ArrayRef<int> Mask, const Twine &NameStr,
+                    BasicBlock *InsertAtEnd);
   ShuffleVectorInst(Value *V1, Value *V2, Value *Mask,
                     const Twine &NameStr = "",
                     Instruction *InsertBefor = nullptr);


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