From 044eb2f6afba375a914ac9d8024f8f5142bb912e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Mon, 18 Dec 2017 20:10:56 +0000
Subject: Vendor import of llvm trunk r321017:
 https://llvm.org/svn/llvm-project/llvm/trunk@321017

---
 include/llvm/Analysis/MemoryBuiltins.h | 59 ++++++++++++++++++++++------------
 1 file changed, 38 insertions(+), 21 deletions(-)

(limited to 'include/llvm/Analysis/MemoryBuiltins.h')

diff --git a/include/llvm/Analysis/MemoryBuiltins.h b/include/llvm/Analysis/MemoryBuiltins.h
index 23ab372703ee..7d53e34938b7 100644
--- a/include/llvm/Analysis/MemoryBuiltins.h
+++ b/include/llvm/Analysis/MemoryBuiltins.h
@@ -1,4 +1,4 @@
-//===- llvm/Analysis/MemoryBuiltins.h- Calls to memory builtins -*- C++ -*-===//
+//==- llvm/Analysis/MemoryBuiltins.h - Calls to memory builtins --*- C++ -*-==//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -15,21 +15,42 @@
 #ifndef LLVM_ANALYSIS_MEMORYBUILTINS_H
 #define LLVM_ANALYSIS_MEMORYBUILTINS_H
 
+#include "llvm/ADT/APInt.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Analysis/TargetFolder.h"
+#include "llvm/IR/CallSite.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/InstVisitor.h"
-#include "llvm/IR/Operator.h"
 #include "llvm/IR/ValueHandle.h"
-#include "llvm/Support/DataTypes.h"
+#include <cstdint>
+#include <utility>
 
 namespace llvm {
+
+class AllocaInst;
+class Argument;
 class CallInst;
-class PointerType;
+class ConstantInt;
+class ConstantPointerNull;
 class DataLayout;
+class ExtractElementInst;
+class ExtractValueInst;
+class GEPOperator;
+class GlobalAlias;
+class GlobalVariable;
+class Instruction;
+class IntegerType;
+class IntrinsicInst;
+class IntToPtrInst;
+class LLVMContext;
+class LoadInst;
+class PHINode;
+class PointerType;
+class SelectInst;
 class TargetLibraryInfo;
 class Type;
+class UndefValue;
 class Value;
 
 /// \brief Tests if a value is a call or invoke to a library function that
@@ -71,8 +92,7 @@ bool isAllocLikeFn(const Value *V, const TargetLibraryInfo *TLI,
 /// is a malloc call.  Since CallInst::CreateMalloc() only creates calls, we
 /// ignore InvokeInst here.
 const CallInst *extractMallocCall(const Value *I, const TargetLibraryInfo *TLI);
-static inline CallInst *extractMallocCall(Value *I,
-                                          const TargetLibraryInfo *TLI) {
+inline CallInst *extractMallocCall(Value *I, const TargetLibraryInfo *TLI) {
   return const_cast<CallInst*>(extractMallocCall((const Value*)I, TLI));
 }
 
@@ -106,8 +126,7 @@ Value *getMallocArraySize(CallInst *CI, const DataLayout &DL,
 /// extractCallocCall - Returns the corresponding CallInst if the instruction
 /// is a calloc call.
 const CallInst *extractCallocCall(const Value *I, const TargetLibraryInfo *TLI);
-static inline CallInst *extractCallocCall(Value *I,
-                                          const TargetLibraryInfo *TLI) {
+inline CallInst *extractCallocCall(Value *I, const TargetLibraryInfo *TLI) {
   return const_cast<CallInst*>(extractCallocCall((const Value*)I, TLI));
 }
 
@@ -119,11 +138,10 @@ static inline CallInst *extractCallocCall(Value *I,
 /// isFreeCall - Returns non-null if the value is a call to the builtin free()
 const CallInst *isFreeCall(const Value *I, const TargetLibraryInfo *TLI);
 
-static inline CallInst *isFreeCall(Value *I, const TargetLibraryInfo *TLI) {
+inline CallInst *isFreeCall(Value *I, const TargetLibraryInfo *TLI) {
   return const_cast<CallInst*>(isFreeCall((const Value*)I, TLI));
 }
 
-
 //===----------------------------------------------------------------------===//
 //  Utility functions to compute size of objects.
 //
@@ -169,13 +187,12 @@ ConstantInt *lowerObjectSizeCall(IntrinsicInst *ObjectSize,
                                  const TargetLibraryInfo *TLI,
                                  bool MustSucceed);
 
-typedef std::pair<APInt, APInt> SizeOffsetType;
+using SizeOffsetType = std::pair<APInt, APInt>;
 
 /// \brief Evaluate the size and offset of an object pointed to by a Value*
 /// statically. Fails if size or offset are not known at compile time.
 class ObjectSizeOffsetVisitor
   : public InstVisitor<ObjectSizeOffsetVisitor, SizeOffsetType> {
-
   const DataLayout &DL;
   const TargetLibraryInfo *TLI;
   ObjectSizeOpts Options;
@@ -229,18 +246,16 @@ private:
   bool CheckedZextOrTrunc(APInt &I);
 };
 
-typedef std::pair<Value*, Value*> SizeOffsetEvalType;
-
+using SizeOffsetEvalType = std::pair<Value *, Value *>;
 
 /// \brief Evaluate the size and offset of an object pointed to by a Value*.
 /// May create code to compute the result at run-time.
 class ObjectSizeOffsetEvaluator
   : public InstVisitor<ObjectSizeOffsetEvaluator, SizeOffsetEvalType> {
-
-  typedef IRBuilder<TargetFolder> BuilderTy;
-  typedef std::pair<WeakTrackingVH, WeakTrackingVH> WeakEvalType;
-  typedef DenseMap<const Value*, WeakEvalType> CacheMapTy;
-  typedef SmallPtrSet<const Value*, 8> PtrSetTy;
+  using BuilderTy = IRBuilder<TargetFolder>;
+  using WeakEvalType = std::pair<WeakTrackingVH, WeakTrackingVH>;
+  using CacheMapTy = DenseMap<const Value *, WeakEvalType>;
+  using PtrSetTy = SmallPtrSet<const Value *, 8>;
 
   const DataLayout &DL;
   const TargetLibraryInfo *TLI;
@@ -255,11 +270,13 @@ class ObjectSizeOffsetEvaluator
   SizeOffsetEvalType unknown() {
     return std::make_pair(nullptr, nullptr);
   }
+
   SizeOffsetEvalType compute_(Value *V);
 
 public:
   ObjectSizeOffsetEvaluator(const DataLayout &DL, const TargetLibraryInfo *TLI,
                             LLVMContext &Context, bool RoundToAlign = false);
+
   SizeOffsetEvalType compute(Value *V);
 
   bool knownSize(SizeOffsetEvalType SizeOffset) {
@@ -291,6 +308,6 @@ public:
   SizeOffsetEvalType visitInstruction(Instruction &I);
 };
 
-} // End llvm namespace
+} // end namespace llvm
 
-#endif
+#endif // LLVM_ANALYSIS_MEMORYBUILTINS_H
-- 
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