[InstCombine] insert a new shuffle in a safe place (PR25999)

[oota-llvm.git] / lib / IR / ConstantsContext.h

diff --git a/lib/IR/ConstantsContext.h b/lib/IR/ConstantsContext.h
index 33e89515b266da1bae6f87d7368bf8d0bb29e24a..13fcbd2ece10a08bdecf7a18f8e1a9221a302085 100644 (file)
--- a/lib/IR/ConstantsContext.h
+++ b/lib/IR/ConstantsContext.h
@@ -179,6 +179,13 @@ public:
 
   /// Transparently provide more efficient getOperand methods.
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+  static bool classof(const ConstantExpr *CE) {
+    return CE->getOpcode() == Instruction::ExtractValue;
+  }
+  static bool classof(const Value *V) {
+    return isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V));
+  }
 };
 
 /// InsertValueConstantExpr - This class is private to
@@ -205,6 +212,13 @@ public:
 
   /// Transparently provide more efficient getOperand methods.
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+  static bool classof(const ConstantExpr *CE) {
+    return CE->getOpcode() == Instruction::InsertValue;
+  }
+  static bool classof(const Value *V) {
+    return isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V));
+  }
 };
 
 /// GetElementPtrConstantExpr - This class is private to Constants.cpp, and is
@@ -235,6 +249,13 @@ public:
   Type *getSourceElementType() const;
   /// Transparently provide more efficient getOperand methods.
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+  static bool classof(const ConstantExpr *CE) {
+    return CE->getOpcode() == Instruction::GetElementPtr;
+  }
+  static bool classof(const Value *V) {
+    return isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V));
+  }
 };
 
 // CompareConstantExpr - This class is private to Constants.cpp, and is used
@@ -257,6 +278,14 @@ public:
   }
   /// Transparently provide more efficient getOperand methods.
   DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
+  static bool classof(const ConstantExpr *CE) {
+    return CE->getOpcode() == Instruction::ICmp ||
+           CE->getOpcode() == Instruction::FCmp;
+  }
+  static bool classof(const Value *V) {
+    return isa<ConstantExpr>(V) && classof(cast<ConstantExpr>(V));
+  }
 };
 
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