mirror of
https://github.com/c64scene-ar/llvm-6502.git
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ff4ab44626
Creates ambiguity in Clang callers. Reverting while I figure it out. This reverts commit r237627. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237629 91177308-0d34-0410-b5e6-96231b3b80d8
1669 lines
67 KiB
C++
1669 lines
67 KiB
C++
//===---- llvm/IRBuilder.h - Builder for LLVM Instructions ------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the IRBuilder class, which is used as a convenient way
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// to create LLVM instructions with a consistent and simplified interface.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_IRBUILDER_H
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#define LLVM_IR_IRBUILDER_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/ADT/Twine.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/ConstantFolder.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/GlobalVariable.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Operator.h"
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#include "llvm/IR/ValueHandle.h"
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#include "llvm/Support/CBindingWrapping.h"
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namespace llvm {
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class MDNode;
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/// \brief This provides the default implementation of the IRBuilder
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/// 'InsertHelper' method that is called whenever an instruction is created by
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/// IRBuilder and needs to be inserted.
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///
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/// By default, this inserts the instruction at the insertion point.
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template <bool preserveNames = true>
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class IRBuilderDefaultInserter {
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protected:
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void InsertHelper(Instruction *I, const Twine &Name,
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BasicBlock *BB, BasicBlock::iterator InsertPt) const {
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if (BB) BB->getInstList().insert(InsertPt, I);
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if (preserveNames)
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I->setName(Name);
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}
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};
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/// \brief Common base class shared among various IRBuilders.
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class IRBuilderBase {
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DebugLoc CurDbgLocation;
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protected:
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BasicBlock *BB;
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BasicBlock::iterator InsertPt;
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LLVMContext &Context;
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MDNode *DefaultFPMathTag;
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FastMathFlags FMF;
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public:
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IRBuilderBase(LLVMContext &context, MDNode *FPMathTag = nullptr)
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: Context(context), DefaultFPMathTag(FPMathTag), FMF() {
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ClearInsertionPoint();
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}
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//===--------------------------------------------------------------------===//
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// Builder configuration methods
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//===--------------------------------------------------------------------===//
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/// \brief Clear the insertion point: created instructions will not be
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/// inserted into a block.
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void ClearInsertionPoint() {
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BB = nullptr;
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InsertPt = nullptr;
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}
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BasicBlock *GetInsertBlock() const { return BB; }
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BasicBlock::iterator GetInsertPoint() const { return InsertPt; }
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LLVMContext &getContext() const { return Context; }
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/// \brief This specifies that created instructions should be appended to the
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/// end of the specified block.
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void SetInsertPoint(BasicBlock *TheBB) {
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BB = TheBB;
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InsertPt = BB->end();
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}
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/// \brief This specifies that created instructions should be inserted before
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/// the specified instruction.
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void SetInsertPoint(Instruction *I) {
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BB = I->getParent();
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InsertPt = I;
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assert(I != BB->end() && "Can't read debug loc from end()");
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SetCurrentDebugLocation(I->getDebugLoc());
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}
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/// \brief This specifies that created instructions should be inserted at the
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/// specified point.
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void SetInsertPoint(BasicBlock *TheBB, BasicBlock::iterator IP) {
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BB = TheBB;
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InsertPt = IP;
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}
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/// \brief Find the nearest point that dominates this use, and specify that
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/// created instructions should be inserted at this point.
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void SetInsertPoint(Use &U) {
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Instruction *UseInst = cast<Instruction>(U.getUser());
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if (PHINode *Phi = dyn_cast<PHINode>(UseInst)) {
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BasicBlock *PredBB = Phi->getIncomingBlock(U);
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assert(U != PredBB->getTerminator() && "critical edge not split");
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SetInsertPoint(PredBB, PredBB->getTerminator());
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return;
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}
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SetInsertPoint(UseInst);
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}
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/// \brief Set location information used by debugging information.
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void SetCurrentDebugLocation(DebugLoc L) { CurDbgLocation = std::move(L); }
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/// \brief Get location information used by debugging information.
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const DebugLoc &getCurrentDebugLocation() const { return CurDbgLocation; }
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/// \brief If this builder has a current debug location, set it on the
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/// specified instruction.
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void SetInstDebugLocation(Instruction *I) const {
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if (CurDbgLocation)
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I->setDebugLoc(CurDbgLocation);
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}
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/// \brief Get the return type of the current function that we're emitting
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/// into.
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Type *getCurrentFunctionReturnType() const;
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/// InsertPoint - A saved insertion point.
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class InsertPoint {
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BasicBlock *Block;
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BasicBlock::iterator Point;
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public:
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/// \brief Creates a new insertion point which doesn't point to anything.
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InsertPoint() : Block(nullptr) {}
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/// \brief Creates a new insertion point at the given location.
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InsertPoint(BasicBlock *InsertBlock, BasicBlock::iterator InsertPoint)
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: Block(InsertBlock), Point(InsertPoint) {}
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/// \brief Returns true if this insert point is set.
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bool isSet() const { return (Block != nullptr); }
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llvm::BasicBlock *getBlock() const { return Block; }
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llvm::BasicBlock::iterator getPoint() const { return Point; }
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};
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/// \brief Returns the current insert point.
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InsertPoint saveIP() const {
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return InsertPoint(GetInsertBlock(), GetInsertPoint());
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}
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/// \brief Returns the current insert point, clearing it in the process.
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InsertPoint saveAndClearIP() {
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InsertPoint IP(GetInsertBlock(), GetInsertPoint());
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ClearInsertionPoint();
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return IP;
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}
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/// \brief Sets the current insert point to a previously-saved location.
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void restoreIP(InsertPoint IP) {
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if (IP.isSet())
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SetInsertPoint(IP.getBlock(), IP.getPoint());
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else
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ClearInsertionPoint();
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}
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/// \brief Get the floating point math metadata being used.
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MDNode *getDefaultFPMathTag() const { return DefaultFPMathTag; }
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/// \brief Get the flags to be applied to created floating point ops
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FastMathFlags getFastMathFlags() const { return FMF; }
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/// \brief Clear the fast-math flags.
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void clearFastMathFlags() { FMF.clear(); }
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/// \brief Set the floating point math metadata to be used.
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void SetDefaultFPMathTag(MDNode *FPMathTag) { DefaultFPMathTag = FPMathTag; }
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/// \brief Set the fast-math flags to be used with generated fp-math operators
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void SetFastMathFlags(FastMathFlags NewFMF) { FMF = NewFMF; }
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//===--------------------------------------------------------------------===//
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// RAII helpers.
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//===--------------------------------------------------------------------===//
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// \brief RAII object that stores the current insertion point and restores it
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// when the object is destroyed. This includes the debug location.
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class InsertPointGuard {
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IRBuilderBase &Builder;
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AssertingVH<BasicBlock> Block;
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BasicBlock::iterator Point;
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DebugLoc DbgLoc;
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InsertPointGuard(const InsertPointGuard &) = delete;
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InsertPointGuard &operator=(const InsertPointGuard &) = delete;
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public:
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InsertPointGuard(IRBuilderBase &B)
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: Builder(B), Block(B.GetInsertBlock()), Point(B.GetInsertPoint()),
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DbgLoc(B.getCurrentDebugLocation()) {}
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~InsertPointGuard() {
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Builder.restoreIP(InsertPoint(Block, Point));
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Builder.SetCurrentDebugLocation(DbgLoc);
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}
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};
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// \brief RAII object that stores the current fast math settings and restores
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// them when the object is destroyed.
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class FastMathFlagGuard {
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IRBuilderBase &Builder;
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FastMathFlags FMF;
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MDNode *FPMathTag;
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FastMathFlagGuard(const FastMathFlagGuard &) = delete;
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FastMathFlagGuard &operator=(
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const FastMathFlagGuard &) = delete;
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public:
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FastMathFlagGuard(IRBuilderBase &B)
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: Builder(B), FMF(B.FMF), FPMathTag(B.DefaultFPMathTag) {}
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~FastMathFlagGuard() {
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Builder.FMF = FMF;
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Builder.DefaultFPMathTag = FPMathTag;
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}
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};
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//===--------------------------------------------------------------------===//
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// Miscellaneous creation methods.
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//===--------------------------------------------------------------------===//
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/// \brief Make a new global variable with initializer type i8*
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///
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/// Make a new global variable with an initializer that has array of i8 type
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/// filled in with the null terminated string value specified. The new global
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/// variable will be marked mergable with any others of the same contents. If
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/// Name is specified, it is the name of the global variable created.
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GlobalVariable *CreateGlobalString(StringRef Str, const Twine &Name = "");
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/// \brief Get a constant value representing either true or false.
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ConstantInt *getInt1(bool V) {
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return ConstantInt::get(getInt1Ty(), V);
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}
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/// \brief Get the constant value for i1 true.
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ConstantInt *getTrue() {
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return ConstantInt::getTrue(Context);
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}
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/// \brief Get the constant value for i1 false.
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ConstantInt *getFalse() {
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return ConstantInt::getFalse(Context);
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}
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/// \brief Get a constant 8-bit value.
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ConstantInt *getInt8(uint8_t C) {
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return ConstantInt::get(getInt8Ty(), C);
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}
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/// \brief Get a constant 16-bit value.
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ConstantInt *getInt16(uint16_t C) {
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return ConstantInt::get(getInt16Ty(), C);
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}
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/// \brief Get a constant 32-bit value.
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ConstantInt *getInt32(uint32_t C) {
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return ConstantInt::get(getInt32Ty(), C);
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}
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/// \brief Get a constant 64-bit value.
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ConstantInt *getInt64(uint64_t C) {
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return ConstantInt::get(getInt64Ty(), C);
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}
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/// \brief Get a constant N-bit value, zero extended or truncated from
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/// a 64-bit value.
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ConstantInt *getIntN(unsigned N, uint64_t C) {
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return ConstantInt::get(getIntNTy(N), C);
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}
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/// \brief Get a constant integer value.
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ConstantInt *getInt(const APInt &AI) {
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return ConstantInt::get(Context, AI);
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}
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//===--------------------------------------------------------------------===//
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// Type creation methods
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//===--------------------------------------------------------------------===//
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/// \brief Fetch the type representing a single bit
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IntegerType *getInt1Ty() {
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return Type::getInt1Ty(Context);
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}
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/// \brief Fetch the type representing an 8-bit integer.
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IntegerType *getInt8Ty() {
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return Type::getInt8Ty(Context);
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}
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/// \brief Fetch the type representing a 16-bit integer.
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IntegerType *getInt16Ty() {
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return Type::getInt16Ty(Context);
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}
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/// \brief Fetch the type representing a 32-bit integer.
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IntegerType *getInt32Ty() {
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return Type::getInt32Ty(Context);
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}
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/// \brief Fetch the type representing a 64-bit integer.
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IntegerType *getInt64Ty() {
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return Type::getInt64Ty(Context);
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}
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/// \brief Fetch the type representing a 128-bit integer.
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IntegerType *getInt128Ty() {
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return Type::getInt128Ty(Context);
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}
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/// \brief Fetch the type representing an N-bit integer.
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IntegerType *getIntNTy(unsigned N) {
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return Type::getIntNTy(Context, N);
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}
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/// \brief Fetch the type representing a 16-bit floating point value.
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Type *getHalfTy() {
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return Type::getHalfTy(Context);
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}
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/// \brief Fetch the type representing a 32-bit floating point value.
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Type *getFloatTy() {
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return Type::getFloatTy(Context);
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}
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/// \brief Fetch the type representing a 64-bit floating point value.
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Type *getDoubleTy() {
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return Type::getDoubleTy(Context);
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}
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/// \brief Fetch the type representing void.
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Type *getVoidTy() {
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return Type::getVoidTy(Context);
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}
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/// \brief Fetch the type representing a pointer to an 8-bit integer value.
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PointerType *getInt8PtrTy(unsigned AddrSpace = 0) {
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return Type::getInt8PtrTy(Context, AddrSpace);
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}
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/// \brief Fetch the type representing a pointer to an integer value.
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IntegerType *getIntPtrTy(const DataLayout &DL, unsigned AddrSpace = 0) {
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return DL.getIntPtrType(Context, AddrSpace);
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}
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//===--------------------------------------------------------------------===//
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// Intrinsic creation methods
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//===--------------------------------------------------------------------===//
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/// \brief Create and insert a memset to the specified pointer and the
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/// specified value.
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///
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/// If the pointer isn't an i8*, it will be converted. If a TBAA tag is
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/// specified, it will be added to the instruction. Likewise with alias.scope
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/// and noalias tags.
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CallInst *CreateMemSet(Value *Ptr, Value *Val, uint64_t Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr) {
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return CreateMemSet(Ptr, Val, getInt64(Size), Align, isVolatile,
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TBAATag, ScopeTag, NoAliasTag);
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}
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CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr);
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/// \brief Create and insert a memcpy between the specified pointers.
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///
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/// If the pointers aren't i8*, they will be converted. If a TBAA tag is
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/// specified, it will be added to the instruction. Likewise with alias.scope
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/// and noalias tags.
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CallInst *CreateMemCpy(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *TBAAStructTag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr) {
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return CreateMemCpy(Dst, Src, getInt64(Size), Align, isVolatile, TBAATag,
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TBAAStructTag, ScopeTag, NoAliasTag);
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}
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CallInst *CreateMemCpy(Value *Dst, Value *Src, Value *Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *TBAAStructTag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr);
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/// \brief Create and insert a memmove between the specified
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/// pointers.
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///
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/// If the pointers aren't i8*, they will be converted. If a TBAA tag is
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/// specified, it will be added to the instruction. Likewise with alias.scope
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/// and noalias tags.
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CallInst *CreateMemMove(Value *Dst, Value *Src, uint64_t Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr) {
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return CreateMemMove(Dst, Src, getInt64(Size), Align, isVolatile,
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TBAATag, ScopeTag, NoAliasTag);
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}
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CallInst *CreateMemMove(Value *Dst, Value *Src, Value *Size, unsigned Align,
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bool isVolatile = false, MDNode *TBAATag = nullptr,
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MDNode *ScopeTag = nullptr,
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MDNode *NoAliasTag = nullptr);
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/// \brief Create a lifetime.start intrinsic.
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///
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/// If the pointer isn't i8* it will be converted.
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CallInst *CreateLifetimeStart(Value *Ptr, ConstantInt *Size = nullptr);
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/// \brief Create a lifetime.end intrinsic.
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///
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/// If the pointer isn't i8* it will be converted.
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CallInst *CreateLifetimeEnd(Value *Ptr, ConstantInt *Size = nullptr);
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/// \brief Create a call to Masked Load intrinsic
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CallInst *CreateMaskedLoad(Value *Ptr, unsigned Align, Value *Mask,
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Value *PassThru = 0, const Twine &Name = "");
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/// \brief Create a call to Masked Store intrinsic
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CallInst *CreateMaskedStore(Value *Val, Value *Ptr, unsigned Align,
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Value *Mask);
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/// \brief Create an assume intrinsic call that allows the optimizer to
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/// assume that the provided condition will be true.
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CallInst *CreateAssumption(Value *Cond);
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/// \brief Create a call to the experimental.gc.statepoint intrinsic to
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/// start a new statepoint sequence.
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CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
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Value *ActualCallee,
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ArrayRef<Value *> CallArgs,
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ArrayRef<Value *> DeoptArgs,
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ArrayRef<Value *> GCArgs,
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const Twine &Name = "");
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// \brief Conveninence function for the common case when CallArgs are filled
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// in using makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be
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// .get()'ed to get the Value pointer.
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CallInst *CreateGCStatepointCall(uint64_t ID, uint32_t NumPatchBytes,
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Value *ActualCallee, ArrayRef<Use> CallArgs,
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ArrayRef<Value *> DeoptArgs,
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ArrayRef<Value *> GCArgs,
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const Twine &Name = "");
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/// brief Create an invoke to the experimental.gc.statepoint intrinsic to
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/// start a new statepoint sequence.
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InvokeInst *
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CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
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Value *ActualInvokee, BasicBlock *NormalDest,
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BasicBlock *UnwindDest, ArrayRef<Value *> InvokeArgs,
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ArrayRef<Value *> DeoptArgs,
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ArrayRef<Value *> GCArgs, const Twine &Name = "");
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// Conveninence function for the common case when CallArgs are filled in using
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// makeArrayRef(CS.arg_begin(), CS.arg_end()); Use needs to be .get()'ed to
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// get the Value *.
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InvokeInst *
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CreateGCStatepointInvoke(uint64_t ID, uint32_t NumPatchBytes,
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Value *ActualInvokee, BasicBlock *NormalDest,
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BasicBlock *UnwindDest, ArrayRef<Use> InvokeArgs,
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ArrayRef<Value *> DeoptArgs,
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ArrayRef<Value *> GCArgs, const Twine &Name = "");
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/// \brief Create a call to the experimental.gc.result intrinsic to extract
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/// the result from a call wrapped in a statepoint.
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CallInst *CreateGCResult(Instruction *Statepoint,
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Type *ResultType,
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const Twine &Name = "");
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/// \brief Create a call to the experimental.gc.relocate intrinsics to
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/// project the relocated value of one pointer from the statepoint.
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CallInst *CreateGCRelocate(Instruction *Statepoint,
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int BaseOffset,
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int DerivedOffset,
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Type *ResultType,
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const Twine &Name = "");
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private:
|
|
/// \brief Create a call to a masked intrinsic with given Id.
|
|
/// Masked intrinsic has only one overloaded type - data type.
|
|
CallInst *CreateMaskedIntrinsic(unsigned Id, ArrayRef<Value *> Ops,
|
|
Type *DataTy, const Twine &Name = "");
|
|
|
|
Value *getCastedInt8PtrValue(Value *Ptr);
|
|
};
|
|
|
|
/// \brief This provides a uniform API for creating instructions and inserting
|
|
/// them into a basic block: either at the end of a BasicBlock, or at a specific
|
|
/// iterator location in a block.
|
|
///
|
|
/// Note that the builder does not expose the full generality of LLVM
|
|
/// instructions. For access to extra instruction properties, use the mutators
|
|
/// (e.g. setVolatile) on the instructions after they have been
|
|
/// created. Convenience state exists to specify fast-math flags and fp-math
|
|
/// tags.
|
|
///
|
|
/// The first template argument handles whether or not to preserve names in the
|
|
/// final instruction output. This defaults to on. The second template argument
|
|
/// specifies a class to use for creating constants. This defaults to creating
|
|
/// minimally folded constants. The third template argument allows clients to
|
|
/// specify custom insertion hooks that are called on every newly created
|
|
/// insertion.
|
|
template<bool preserveNames = true, typename T = ConstantFolder,
|
|
typename Inserter = IRBuilderDefaultInserter<preserveNames> >
|
|
class IRBuilder : public IRBuilderBase, public Inserter {
|
|
T Folder;
|
|
public:
|
|
IRBuilder(LLVMContext &C, const T &F, const Inserter &I = Inserter(),
|
|
MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(C, FPMathTag), Inserter(I), Folder(F) {
|
|
}
|
|
|
|
explicit IRBuilder(LLVMContext &C, MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(C, FPMathTag), Folder() {
|
|
}
|
|
|
|
explicit IRBuilder(BasicBlock *TheBB, const T &F, MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
|
|
SetInsertPoint(TheBB);
|
|
}
|
|
|
|
explicit IRBuilder(BasicBlock *TheBB, MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
|
|
SetInsertPoint(TheBB);
|
|
}
|
|
|
|
explicit IRBuilder(Instruction *IP, MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(IP->getContext(), FPMathTag), Folder() {
|
|
SetInsertPoint(IP);
|
|
SetCurrentDebugLocation(IP->getDebugLoc());
|
|
}
|
|
|
|
explicit IRBuilder(Use &U, MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(U->getContext(), FPMathTag), Folder() {
|
|
SetInsertPoint(U);
|
|
SetCurrentDebugLocation(cast<Instruction>(U.getUser())->getDebugLoc());
|
|
}
|
|
|
|
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP, const T& F,
|
|
MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(TheBB->getContext(), FPMathTag), Folder(F) {
|
|
SetInsertPoint(TheBB, IP);
|
|
}
|
|
|
|
IRBuilder(BasicBlock *TheBB, BasicBlock::iterator IP,
|
|
MDNode *FPMathTag = nullptr)
|
|
: IRBuilderBase(TheBB->getContext(), FPMathTag), Folder() {
|
|
SetInsertPoint(TheBB, IP);
|
|
}
|
|
|
|
/// \brief Get the constant folder being used.
|
|
const T &getFolder() { return Folder; }
|
|
|
|
/// \brief Return true if this builder is configured to actually add the
|
|
/// requested names to IR created through it.
|
|
bool isNamePreserving() const { return preserveNames; }
|
|
|
|
/// \brief Insert and return the specified instruction.
|
|
template<typename InstTy>
|
|
InstTy *Insert(InstTy *I, const Twine &Name = "") const {
|
|
this->InsertHelper(I, Name, BB, InsertPt);
|
|
this->SetInstDebugLocation(I);
|
|
return I;
|
|
}
|
|
|
|
/// \brief No-op overload to handle constants.
|
|
Constant *Insert(Constant *C, const Twine& = "") const {
|
|
return C;
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Terminators
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
private:
|
|
/// \brief Helper to add branch weight metadata onto an instruction.
|
|
/// \returns The annotated instruction.
|
|
template <typename InstTy>
|
|
InstTy *addBranchWeights(InstTy *I, MDNode *Weights) {
|
|
if (Weights)
|
|
I->setMetadata(LLVMContext::MD_prof, Weights);
|
|
return I;
|
|
}
|
|
|
|
public:
|
|
/// \brief Create a 'ret void' instruction.
|
|
ReturnInst *CreateRetVoid() {
|
|
return Insert(ReturnInst::Create(Context));
|
|
}
|
|
|
|
/// \brief Create a 'ret <val>' instruction.
|
|
ReturnInst *CreateRet(Value *V) {
|
|
return Insert(ReturnInst::Create(Context, V));
|
|
}
|
|
|
|
/// \brief Create a sequence of N insertvalue instructions,
|
|
/// with one Value from the retVals array each, that build a aggregate
|
|
/// return value one value at a time, and a ret instruction to return
|
|
/// the resulting aggregate value.
|
|
///
|
|
/// This is a convenience function for code that uses aggregate return values
|
|
/// as a vehicle for having multiple return values.
|
|
ReturnInst *CreateAggregateRet(Value *const *retVals, unsigned N) {
|
|
Value *V = UndefValue::get(getCurrentFunctionReturnType());
|
|
for (unsigned i = 0; i != N; ++i)
|
|
V = CreateInsertValue(V, retVals[i], i, "mrv");
|
|
return Insert(ReturnInst::Create(Context, V));
|
|
}
|
|
|
|
/// \brief Create an unconditional 'br label X' instruction.
|
|
BranchInst *CreateBr(BasicBlock *Dest) {
|
|
return Insert(BranchInst::Create(Dest));
|
|
}
|
|
|
|
/// \brief Create a conditional 'br Cond, TrueDest, FalseDest'
|
|
/// instruction.
|
|
BranchInst *CreateCondBr(Value *Cond, BasicBlock *True, BasicBlock *False,
|
|
MDNode *BranchWeights = nullptr) {
|
|
return Insert(addBranchWeights(BranchInst::Create(True, False, Cond),
|
|
BranchWeights));
|
|
}
|
|
|
|
/// \brief Create a switch instruction with the specified value, default dest,
|
|
/// and with a hint for the number of cases that will be added (for efficient
|
|
/// allocation).
|
|
SwitchInst *CreateSwitch(Value *V, BasicBlock *Dest, unsigned NumCases = 10,
|
|
MDNode *BranchWeights = nullptr) {
|
|
return Insert(addBranchWeights(SwitchInst::Create(V, Dest, NumCases),
|
|
BranchWeights));
|
|
}
|
|
|
|
/// \brief Create an indirect branch instruction with the specified address
|
|
/// operand, with an optional hint for the number of destinations that will be
|
|
/// added (for efficient allocation).
|
|
IndirectBrInst *CreateIndirectBr(Value *Addr, unsigned NumDests = 10) {
|
|
return Insert(IndirectBrInst::Create(Addr, NumDests));
|
|
}
|
|
|
|
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
|
|
BasicBlock *UnwindDest, const Twine &Name = "") {
|
|
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, None),
|
|
Name);
|
|
}
|
|
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
|
|
BasicBlock *UnwindDest, Value *Arg1,
|
|
const Twine &Name = "") {
|
|
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Arg1),
|
|
Name);
|
|
}
|
|
InvokeInst *CreateInvoke3(Value *Callee, BasicBlock *NormalDest,
|
|
BasicBlock *UnwindDest, Value *Arg1,
|
|
Value *Arg2, Value *Arg3,
|
|
const Twine &Name = "") {
|
|
Value *Args[] = { Arg1, Arg2, Arg3 };
|
|
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
|
|
Name);
|
|
}
|
|
/// \brief Create an invoke instruction.
|
|
InvokeInst *CreateInvoke(Value *Callee, BasicBlock *NormalDest,
|
|
BasicBlock *UnwindDest, ArrayRef<Value *> Args,
|
|
const Twine &Name = "") {
|
|
return Insert(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args),
|
|
Name);
|
|
}
|
|
|
|
ResumeInst *CreateResume(Value *Exn) {
|
|
return Insert(ResumeInst::Create(Exn));
|
|
}
|
|
|
|
UnreachableInst *CreateUnreachable() {
|
|
return Insert(new UnreachableInst(Context));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Binary Operators
|
|
//===--------------------------------------------------------------------===//
|
|
private:
|
|
BinaryOperator *CreateInsertNUWNSWBinOp(BinaryOperator::BinaryOps Opc,
|
|
Value *LHS, Value *RHS,
|
|
const Twine &Name,
|
|
bool HasNUW, bool HasNSW) {
|
|
BinaryOperator *BO = Insert(BinaryOperator::Create(Opc, LHS, RHS), Name);
|
|
if (HasNUW) BO->setHasNoUnsignedWrap();
|
|
if (HasNSW) BO->setHasNoSignedWrap();
|
|
return BO;
|
|
}
|
|
|
|
Instruction *AddFPMathAttributes(Instruction *I,
|
|
MDNode *FPMathTag,
|
|
FastMathFlags FMF) const {
|
|
if (!FPMathTag)
|
|
FPMathTag = DefaultFPMathTag;
|
|
if (FPMathTag)
|
|
I->setMetadata(LLVMContext::MD_fpmath, FPMathTag);
|
|
I->setFastMathFlags(FMF);
|
|
return I;
|
|
}
|
|
public:
|
|
Value *CreateAdd(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateAdd(LC, RC, HasNUW, HasNSW), Name);
|
|
return CreateInsertNUWNSWBinOp(Instruction::Add, LHS, RHS, Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
Value *CreateNSWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateAdd(LHS, RHS, Name, false, true);
|
|
}
|
|
Value *CreateNUWAdd(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateAdd(LHS, RHS, Name, true, false);
|
|
}
|
|
Value *CreateFAdd(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFAdd(LC, RC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFAdd(LHS, RHS),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
Value *CreateSub(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateSub(LC, RC, HasNUW, HasNSW), Name);
|
|
return CreateInsertNUWNSWBinOp(Instruction::Sub, LHS, RHS, Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateSub(LHS, RHS, Name, false, true);
|
|
}
|
|
Value *CreateNUWSub(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateSub(LHS, RHS, Name, true, false);
|
|
}
|
|
Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFSub(LC, RC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFSub(LHS, RHS),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
Value *CreateMul(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateMul(LC, RC, HasNUW, HasNSW), Name);
|
|
return CreateInsertNUWNSWBinOp(Instruction::Mul, LHS, RHS, Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
Value *CreateNSWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateMul(LHS, RHS, Name, false, true);
|
|
}
|
|
Value *CreateNUWMul(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateMul(LHS, RHS, Name, true, false);
|
|
}
|
|
Value *CreateFMul(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFMul(LC, RC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFMul(LHS, RHS),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
Value *CreateUDiv(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateUDiv(LC, RC, isExact), Name);
|
|
if (!isExact)
|
|
return Insert(BinaryOperator::CreateUDiv(LHS, RHS), Name);
|
|
return Insert(BinaryOperator::CreateExactUDiv(LHS, RHS), Name);
|
|
}
|
|
Value *CreateExactUDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateUDiv(LHS, RHS, Name, true);
|
|
}
|
|
Value *CreateSDiv(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateSDiv(LC, RC, isExact), Name);
|
|
if (!isExact)
|
|
return Insert(BinaryOperator::CreateSDiv(LHS, RHS), Name);
|
|
return Insert(BinaryOperator::CreateExactSDiv(LHS, RHS), Name);
|
|
}
|
|
Value *CreateExactSDiv(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateSDiv(LHS, RHS, Name, true);
|
|
}
|
|
Value *CreateFDiv(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFDiv(LC, RC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFDiv(LHS, RHS),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
Value *CreateURem(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateURem(LC, RC), Name);
|
|
return Insert(BinaryOperator::CreateURem(LHS, RHS), Name);
|
|
}
|
|
Value *CreateSRem(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateSRem(LC, RC), Name);
|
|
return Insert(BinaryOperator::CreateSRem(LHS, RHS), Name);
|
|
}
|
|
Value *CreateFRem(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFRem(LC, RC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFRem(LHS, RHS),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
|
|
Value *CreateShl(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateShl(LC, RC, HasNUW, HasNSW), Name);
|
|
return CreateInsertNUWNSWBinOp(Instruction::Shl, LHS, RHS, Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
Value *CreateShl(Value *LHS, const APInt &RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
Value *CreateShl(Value *LHS, uint64_t RHS, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
return CreateShl(LHS, ConstantInt::get(LHS->getType(), RHS), Name,
|
|
HasNUW, HasNSW);
|
|
}
|
|
|
|
Value *CreateLShr(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateLShr(LC, RC, isExact), Name);
|
|
if (!isExact)
|
|
return Insert(BinaryOperator::CreateLShr(LHS, RHS), Name);
|
|
return Insert(BinaryOperator::CreateExactLShr(LHS, RHS), Name);
|
|
}
|
|
Value *CreateLShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
|
|
}
|
|
Value *CreateLShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
return CreateLShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
|
|
}
|
|
|
|
Value *CreateAShr(Value *LHS, Value *RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateAShr(LC, RC, isExact), Name);
|
|
if (!isExact)
|
|
return Insert(BinaryOperator::CreateAShr(LHS, RHS), Name);
|
|
return Insert(BinaryOperator::CreateExactAShr(LHS, RHS), Name);
|
|
}
|
|
Value *CreateAShr(Value *LHS, const APInt &RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
|
|
}
|
|
Value *CreateAShr(Value *LHS, uint64_t RHS, const Twine &Name = "",
|
|
bool isExact = false) {
|
|
return CreateAShr(LHS, ConstantInt::get(LHS->getType(), RHS), Name,isExact);
|
|
}
|
|
|
|
Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
if (Constant *RC = dyn_cast<Constant>(RHS)) {
|
|
if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isAllOnesValue())
|
|
return LHS; // LHS & -1 -> LHS
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
return Insert(Folder.CreateAnd(LC, RC), Name);
|
|
}
|
|
return Insert(BinaryOperator::CreateAnd(LHS, RHS), Name);
|
|
}
|
|
Value *CreateAnd(Value *LHS, const APInt &RHS, const Twine &Name = "") {
|
|
return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
Value *CreateAnd(Value *LHS, uint64_t RHS, const Twine &Name = "") {
|
|
return CreateAnd(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
|
|
Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
if (Constant *RC = dyn_cast<Constant>(RHS)) {
|
|
if (RC->isNullValue())
|
|
return LHS; // LHS | 0 -> LHS
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
return Insert(Folder.CreateOr(LC, RC), Name);
|
|
}
|
|
return Insert(BinaryOperator::CreateOr(LHS, RHS), Name);
|
|
}
|
|
Value *CreateOr(Value *LHS, const APInt &RHS, const Twine &Name = "") {
|
|
return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
Value *CreateOr(Value *LHS, uint64_t RHS, const Twine &Name = "") {
|
|
return CreateOr(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
|
|
Value *CreateXor(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateXor(LC, RC), Name);
|
|
return Insert(BinaryOperator::CreateXor(LHS, RHS), Name);
|
|
}
|
|
Value *CreateXor(Value *LHS, const APInt &RHS, const Twine &Name = "") {
|
|
return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
Value *CreateXor(Value *LHS, uint64_t RHS, const Twine &Name = "") {
|
|
return CreateXor(LHS, ConstantInt::get(LHS->getType(), RHS), Name);
|
|
}
|
|
|
|
Value *CreateBinOp(Instruction::BinaryOps Opc,
|
|
Value *LHS, Value *RHS, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateBinOp(Opc, LC, RC), Name);
|
|
llvm::Instruction *BinOp = BinaryOperator::Create(Opc, LHS, RHS);
|
|
if (isa<FPMathOperator>(BinOp))
|
|
BinOp = AddFPMathAttributes(BinOp, FPMathTag, FMF);
|
|
return Insert(BinOp, Name);
|
|
}
|
|
|
|
Value *CreateNeg(Value *V, const Twine &Name = "",
|
|
bool HasNUW = false, bool HasNSW = false) {
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateNeg(VC, HasNUW, HasNSW), Name);
|
|
BinaryOperator *BO = Insert(BinaryOperator::CreateNeg(V), Name);
|
|
if (HasNUW) BO->setHasNoUnsignedWrap();
|
|
if (HasNSW) BO->setHasNoSignedWrap();
|
|
return BO;
|
|
}
|
|
Value *CreateNSWNeg(Value *V, const Twine &Name = "") {
|
|
return CreateNeg(V, Name, false, true);
|
|
}
|
|
Value *CreateNUWNeg(Value *V, const Twine &Name = "") {
|
|
return CreateNeg(V, Name, true, false);
|
|
}
|
|
Value *CreateFNeg(Value *V, const Twine &Name = "",
|
|
MDNode *FPMathTag = nullptr) {
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateFNeg(VC), Name);
|
|
return Insert(AddFPMathAttributes(BinaryOperator::CreateFNeg(V),
|
|
FPMathTag, FMF), Name);
|
|
}
|
|
Value *CreateNot(Value *V, const Twine &Name = "") {
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateNot(VC), Name);
|
|
return Insert(BinaryOperator::CreateNot(V), Name);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Memory Instructions
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
AllocaInst *CreateAlloca(Type *Ty, Value *ArraySize = nullptr,
|
|
const Twine &Name = "") {
|
|
return Insert(new AllocaInst(Ty, ArraySize), Name);
|
|
}
|
|
// \brief Provided to resolve 'CreateLoad(Ptr, "...")' correctly, instead of
|
|
// converting the string to 'bool' for the isVolatile parameter.
|
|
LoadInst *CreateLoad(Value *Ptr, const char *Name) {
|
|
return Insert(new LoadInst(Ptr), Name);
|
|
}
|
|
LoadInst *CreateLoad(Value *Ptr, const Twine &Name = "") {
|
|
return Insert(new LoadInst(Ptr), Name);
|
|
}
|
|
LoadInst *CreateLoad(Value *Ptr, bool isVolatile, const Twine &Name = "") {
|
|
return Insert(new LoadInst(Ptr, nullptr, isVolatile), Name);
|
|
}
|
|
StoreInst *CreateStore(Value *Val, Value *Ptr, bool isVolatile = false) {
|
|
return Insert(new StoreInst(Val, Ptr, isVolatile));
|
|
}
|
|
// \brief Provided to resolve 'CreateAlignedLoad(Ptr, Align, "...")'
|
|
// correctly, instead of converting the string to 'bool' for the isVolatile
|
|
// parameter.
|
|
LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align, const char *Name) {
|
|
LoadInst *LI = CreateLoad(Ptr, Name);
|
|
LI->setAlignment(Align);
|
|
return LI;
|
|
}
|
|
LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align,
|
|
const Twine &Name = "") {
|
|
LoadInst *LI = CreateLoad(Ptr, Name);
|
|
LI->setAlignment(Align);
|
|
return LI;
|
|
}
|
|
LoadInst *CreateAlignedLoad(Value *Ptr, unsigned Align, bool isVolatile,
|
|
const Twine &Name = "") {
|
|
LoadInst *LI = CreateLoad(Ptr, isVolatile, Name);
|
|
LI->setAlignment(Align);
|
|
return LI;
|
|
}
|
|
StoreInst *CreateAlignedStore(Value *Val, Value *Ptr, unsigned Align,
|
|
bool isVolatile = false) {
|
|
StoreInst *SI = CreateStore(Val, Ptr, isVolatile);
|
|
SI->setAlignment(Align);
|
|
return SI;
|
|
}
|
|
FenceInst *CreateFence(AtomicOrdering Ordering,
|
|
SynchronizationScope SynchScope = CrossThread,
|
|
const Twine &Name = "") {
|
|
return Insert(new FenceInst(Context, Ordering, SynchScope), Name);
|
|
}
|
|
AtomicCmpXchgInst *
|
|
CreateAtomicCmpXchg(Value *Ptr, Value *Cmp, Value *New,
|
|
AtomicOrdering SuccessOrdering,
|
|
AtomicOrdering FailureOrdering,
|
|
SynchronizationScope SynchScope = CrossThread) {
|
|
return Insert(new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering,
|
|
FailureOrdering, SynchScope));
|
|
}
|
|
AtomicRMWInst *CreateAtomicRMW(AtomicRMWInst::BinOp Op, Value *Ptr, Value *Val,
|
|
AtomicOrdering Ordering,
|
|
SynchronizationScope SynchScope = CrossThread) {
|
|
return Insert(new AtomicRMWInst(Op, Ptr, Val, Ordering, SynchScope));
|
|
}
|
|
Value *CreateGEP(Value *Ptr, ArrayRef<Value *> IdxList,
|
|
const Twine &Name = "") {
|
|
return CreateGEP(nullptr, Ptr, IdxList, Name);
|
|
}
|
|
Value *CreateGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
|
|
const Twine &Name = "") {
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
|
|
// Every index must be constant.
|
|
size_t i, e;
|
|
for (i = 0, e = IdxList.size(); i != e; ++i)
|
|
if (!isa<Constant>(IdxList[i]))
|
|
break;
|
|
if (i == e)
|
|
return Insert(Folder.CreateGetElementPtr(Ty, PC, IdxList), Name);
|
|
}
|
|
return Insert(GetElementPtrInst::Create(Ty, Ptr, IdxList), Name);
|
|
}
|
|
Value *CreateInBoundsGEP(Value *Ptr, ArrayRef<Value *> IdxList,
|
|
const Twine &Name = "") {
|
|
return CreateInBoundsGEP(nullptr, Ptr, IdxList, Name);
|
|
}
|
|
Value *CreateInBoundsGEP(Type *Ty, Value *Ptr, ArrayRef<Value *> IdxList,
|
|
const Twine &Name = "") {
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr)) {
|
|
// Every index must be constant.
|
|
size_t i, e;
|
|
for (i = 0, e = IdxList.size(); i != e; ++i)
|
|
if (!isa<Constant>(IdxList[i]))
|
|
break;
|
|
if (i == e)
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IdxList),
|
|
Name);
|
|
}
|
|
return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, IdxList), Name);
|
|
}
|
|
Value *CreateGEP(Value *Ptr, Value *Idx, const Twine &Name = "") {
|
|
return CreateGEP(nullptr, Ptr, Idx, Name);
|
|
}
|
|
Value *CreateGEP(Type *Ty, Value *Ptr, Value *Idx, const Twine &Name = "") {
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
if (Constant *IC = dyn_cast<Constant>(Idx))
|
|
return Insert(Folder.CreateGetElementPtr(Ty, PC, IC), Name);
|
|
return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateInBoundsGEP(Type *Ty, Value *Ptr, Value *Idx,
|
|
const Twine &Name = "") {
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
if (Constant *IC = dyn_cast<Constant>(Idx))
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, IC), Name);
|
|
return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateConstGEP1_32(Value *Ptr, unsigned Idx0, const Twine &Name = "") {
|
|
return CreateConstGEP1_32(nullptr, Ptr, Idx0, Name);
|
|
}
|
|
Value *CreateConstGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0,
|
|
const Twine &Name = "") {
|
|
Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateGetElementPtr(Ty, PC, Idx), Name);
|
|
|
|
return Insert(GetElementPtrInst::Create(Ty, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateConstInBoundsGEP1_32(Type *Ty, Value *Ptr, unsigned Idx0,
|
|
const Twine &Name = "") {
|
|
Value *Idx = ConstantInt::get(Type::getInt32Ty(Context), Idx0);
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idx), Name);
|
|
|
|
return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1,
|
|
const Twine &Name = "") {
|
|
Value *Idxs[] = {
|
|
ConstantInt::get(Type::getInt32Ty(Context), Idx0),
|
|
ConstantInt::get(Type::getInt32Ty(Context), Idx1)
|
|
};
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateGetElementPtr(Ty, PC, Idxs), Name);
|
|
|
|
return Insert(GetElementPtrInst::Create(Ty, Ptr, Idxs), Name);
|
|
}
|
|
Value *CreateConstInBoundsGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0,
|
|
unsigned Idx1, const Twine &Name = "") {
|
|
Value *Idxs[] = {
|
|
ConstantInt::get(Type::getInt32Ty(Context), Idx0),
|
|
ConstantInt::get(Type::getInt32Ty(Context), Idx1)
|
|
};
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(Ty, PC, Idxs), Name);
|
|
|
|
return Insert(GetElementPtrInst::CreateInBounds(Ty, Ptr, Idxs), Name);
|
|
}
|
|
Value *CreateConstGEP1_64(Value *Ptr, uint64_t Idx0, const Twine &Name = "") {
|
|
Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idx), Name);
|
|
|
|
return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateConstInBoundsGEP1_64(Value *Ptr, uint64_t Idx0,
|
|
const Twine &Name = "") {
|
|
Value *Idx = ConstantInt::get(Type::getInt64Ty(Context), Idx0);
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idx), Name);
|
|
|
|
return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idx), Name);
|
|
}
|
|
Value *CreateConstGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
|
|
const Twine &Name = "") {
|
|
Value *Idxs[] = {
|
|
ConstantInt::get(Type::getInt64Ty(Context), Idx0),
|
|
ConstantInt::get(Type::getInt64Ty(Context), Idx1)
|
|
};
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateGetElementPtr(nullptr, PC, Idxs), Name);
|
|
|
|
return Insert(GetElementPtrInst::Create(nullptr, Ptr, Idxs), Name);
|
|
}
|
|
Value *CreateConstInBoundsGEP2_64(Value *Ptr, uint64_t Idx0, uint64_t Idx1,
|
|
const Twine &Name = "") {
|
|
Value *Idxs[] = {
|
|
ConstantInt::get(Type::getInt64Ty(Context), Idx0),
|
|
ConstantInt::get(Type::getInt64Ty(Context), Idx1)
|
|
};
|
|
|
|
if (Constant *PC = dyn_cast<Constant>(Ptr))
|
|
return Insert(Folder.CreateInBoundsGetElementPtr(nullptr, PC, Idxs),
|
|
Name);
|
|
|
|
return Insert(GetElementPtrInst::CreateInBounds(nullptr, Ptr, Idxs), Name);
|
|
}
|
|
Value *CreateStructGEP(Type *Ty, Value *Ptr, unsigned Idx,
|
|
const Twine &Name = "") {
|
|
return CreateConstInBoundsGEP2_32(Ty, Ptr, 0, Idx, Name);
|
|
}
|
|
|
|
/// \brief Same as CreateGlobalString, but return a pointer with "i8*" type
|
|
/// instead of a pointer to array of i8.
|
|
Value *CreateGlobalStringPtr(StringRef Str, const Twine &Name = "") {
|
|
GlobalVariable *gv = CreateGlobalString(Str, Name);
|
|
Value *zero = ConstantInt::get(Type::getInt32Ty(Context), 0);
|
|
Value *Args[] = { zero, zero };
|
|
return CreateInBoundsGEP(gv->getValueType(), gv, Args, Name);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Cast/Conversion Operators
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
Value *CreateTrunc(Value *V, Type *DestTy, const Twine &Name = "") {
|
|
return CreateCast(Instruction::Trunc, V, DestTy, Name);
|
|
}
|
|
Value *CreateZExt(Value *V, Type *DestTy, const Twine &Name = "") {
|
|
return CreateCast(Instruction::ZExt, V, DestTy, Name);
|
|
}
|
|
Value *CreateSExt(Value *V, Type *DestTy, const Twine &Name = "") {
|
|
return CreateCast(Instruction::SExt, V, DestTy, Name);
|
|
}
|
|
/// \brief Create a ZExt or Trunc from the integer value V to DestTy. Return
|
|
/// the value untouched if the type of V is already DestTy.
|
|
Value *CreateZExtOrTrunc(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
assert(V->getType()->isIntOrIntVectorTy() &&
|
|
DestTy->isIntOrIntVectorTy() &&
|
|
"Can only zero extend/truncate integers!");
|
|
Type *VTy = V->getType();
|
|
if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
|
|
return CreateZExt(V, DestTy, Name);
|
|
if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
|
|
return CreateTrunc(V, DestTy, Name);
|
|
return V;
|
|
}
|
|
/// \brief Create a SExt or Trunc from the integer value V to DestTy. Return
|
|
/// the value untouched if the type of V is already DestTy.
|
|
Value *CreateSExtOrTrunc(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
assert(V->getType()->isIntOrIntVectorTy() &&
|
|
DestTy->isIntOrIntVectorTy() &&
|
|
"Can only sign extend/truncate integers!");
|
|
Type *VTy = V->getType();
|
|
if (VTy->getScalarSizeInBits() < DestTy->getScalarSizeInBits())
|
|
return CreateSExt(V, DestTy, Name);
|
|
if (VTy->getScalarSizeInBits() > DestTy->getScalarSizeInBits())
|
|
return CreateTrunc(V, DestTy, Name);
|
|
return V;
|
|
}
|
|
Value *CreateFPToUI(Value *V, Type *DestTy, const Twine &Name = ""){
|
|
return CreateCast(Instruction::FPToUI, V, DestTy, Name);
|
|
}
|
|
Value *CreateFPToSI(Value *V, Type *DestTy, const Twine &Name = ""){
|
|
return CreateCast(Instruction::FPToSI, V, DestTy, Name);
|
|
}
|
|
Value *CreateUIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
|
|
return CreateCast(Instruction::UIToFP, V, DestTy, Name);
|
|
}
|
|
Value *CreateSIToFP(Value *V, Type *DestTy, const Twine &Name = ""){
|
|
return CreateCast(Instruction::SIToFP, V, DestTy, Name);
|
|
}
|
|
Value *CreateFPTrunc(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
return CreateCast(Instruction::FPTrunc, V, DestTy, Name);
|
|
}
|
|
Value *CreateFPExt(Value *V, Type *DestTy, const Twine &Name = "") {
|
|
return CreateCast(Instruction::FPExt, V, DestTy, Name);
|
|
}
|
|
Value *CreatePtrToInt(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
return CreateCast(Instruction::PtrToInt, V, DestTy, Name);
|
|
}
|
|
Value *CreateIntToPtr(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
return CreateCast(Instruction::IntToPtr, V, DestTy, Name);
|
|
}
|
|
Value *CreateBitCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
return CreateCast(Instruction::BitCast, V, DestTy, Name);
|
|
}
|
|
Value *CreateAddrSpaceCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
return CreateCast(Instruction::AddrSpaceCast, V, DestTy, Name);
|
|
}
|
|
Value *CreateZExtOrBitCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateZExtOrBitCast(VC, DestTy), Name);
|
|
return Insert(CastInst::CreateZExtOrBitCast(V, DestTy), Name);
|
|
}
|
|
Value *CreateSExtOrBitCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateSExtOrBitCast(VC, DestTy), Name);
|
|
return Insert(CastInst::CreateSExtOrBitCast(V, DestTy), Name);
|
|
}
|
|
Value *CreateTruncOrBitCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateTruncOrBitCast(VC, DestTy), Name);
|
|
return Insert(CastInst::CreateTruncOrBitCast(V, DestTy), Name);
|
|
}
|
|
Value *CreateCast(Instruction::CastOps Op, Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateCast(Op, VC, DestTy), Name);
|
|
return Insert(CastInst::Create(Op, V, DestTy), Name);
|
|
}
|
|
Value *CreatePointerCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreatePointerCast(VC, DestTy), Name);
|
|
return Insert(CastInst::CreatePointerCast(V, DestTy), Name);
|
|
}
|
|
|
|
Value *CreatePointerBitCastOrAddrSpaceCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
|
|
if (Constant *VC = dyn_cast<Constant>(V)) {
|
|
return Insert(Folder.CreatePointerBitCastOrAddrSpaceCast(VC, DestTy),
|
|
Name);
|
|
}
|
|
|
|
return Insert(CastInst::CreatePointerBitCastOrAddrSpaceCast(V, DestTy),
|
|
Name);
|
|
}
|
|
|
|
Value *CreateIntCast(Value *V, Type *DestTy, bool isSigned,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateIntCast(VC, DestTy, isSigned), Name);
|
|
return Insert(CastInst::CreateIntegerCast(V, DestTy, isSigned), Name);
|
|
}
|
|
|
|
Value *CreateBitOrPointerCast(Value *V, Type *DestTy,
|
|
const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (V->getType()->isPointerTy() && DestTy->isIntegerTy())
|
|
return CreatePtrToInt(V, DestTy, Name);
|
|
if (V->getType()->isIntegerTy() && DestTy->isPointerTy())
|
|
return CreateIntToPtr(V, DestTy, Name);
|
|
|
|
return CreateBitCast(V, DestTy, Name);
|
|
}
|
|
private:
|
|
// \brief Provided to resolve 'CreateIntCast(Ptr, Ptr, "...")', giving a
|
|
// compile time error, instead of converting the string to bool for the
|
|
// isSigned parameter.
|
|
Value *CreateIntCast(Value *, Type *, const char *) = delete;
|
|
public:
|
|
Value *CreateFPCast(Value *V, Type *DestTy, const Twine &Name = "") {
|
|
if (V->getType() == DestTy)
|
|
return V;
|
|
if (Constant *VC = dyn_cast<Constant>(V))
|
|
return Insert(Folder.CreateFPCast(VC, DestTy), Name);
|
|
return Insert(CastInst::CreateFPCast(V, DestTy), Name);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Compare Instructions
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
Value *CreateICmpEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_EQ, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpNE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_NE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_UGT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_UGE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_ULT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_ULE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpSGT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_SGT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpSGE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_SGE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpSLT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_SLT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateICmpSLE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateICmp(ICmpInst::ICMP_SLE, LHS, RHS, Name);
|
|
}
|
|
|
|
Value *CreateFCmpOEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_OEQ, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpOGT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_OGT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpOGE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_OGE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpOLT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_OLT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpOLE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_OLE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpONE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_ONE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpORD(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_ORD, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpUNO(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_UNO, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpUEQ(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_UEQ, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpUGT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_UGT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpUGE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_UGE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpULT(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_ULT, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpULE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_ULE, LHS, RHS, Name);
|
|
}
|
|
Value *CreateFCmpUNE(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
return CreateFCmp(FCmpInst::FCMP_UNE, LHS, RHS, Name);
|
|
}
|
|
|
|
Value *CreateICmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
|
|
const Twine &Name = "") {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateICmp(P, LC, RC), Name);
|
|
return Insert(new ICmpInst(P, LHS, RHS), Name);
|
|
}
|
|
Value *CreateFCmp(CmpInst::Predicate P, Value *LHS, Value *RHS,
|
|
const Twine &Name = "") {
|
|
if (Constant *LC = dyn_cast<Constant>(LHS))
|
|
if (Constant *RC = dyn_cast<Constant>(RHS))
|
|
return Insert(Folder.CreateFCmp(P, LC, RC), Name);
|
|
return Insert(new FCmpInst(P, LHS, RHS), Name);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Instruction creation methods: Other Instructions
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
PHINode *CreatePHI(Type *Ty, unsigned NumReservedValues,
|
|
const Twine &Name = "") {
|
|
return Insert(PHINode::Create(Ty, NumReservedValues), Name);
|
|
}
|
|
|
|
CallInst *CreateCall(Value *Callee, ArrayRef<Value *> Args,
|
|
const Twine &Name = "") {
|
|
return Insert(CallInst::Create(Callee, Args), Name);
|
|
}
|
|
|
|
Value *CreateSelect(Value *C, Value *True, Value *False,
|
|
const Twine &Name = "") {
|
|
if (Constant *CC = dyn_cast<Constant>(C))
|
|
if (Constant *TC = dyn_cast<Constant>(True))
|
|
if (Constant *FC = dyn_cast<Constant>(False))
|
|
return Insert(Folder.CreateSelect(CC, TC, FC), Name);
|
|
return Insert(SelectInst::Create(C, True, False), Name);
|
|
}
|
|
|
|
VAArgInst *CreateVAArg(Value *List, Type *Ty, const Twine &Name = "") {
|
|
return Insert(new VAArgInst(List, Ty), Name);
|
|
}
|
|
|
|
Value *CreateExtractElement(Value *Vec, Value *Idx,
|
|
const Twine &Name = "") {
|
|
if (Constant *VC = dyn_cast<Constant>(Vec))
|
|
if (Constant *IC = dyn_cast<Constant>(Idx))
|
|
return Insert(Folder.CreateExtractElement(VC, IC), Name);
|
|
return Insert(ExtractElementInst::Create(Vec, Idx), Name);
|
|
}
|
|
|
|
Value *CreateExtractElement(Value *Vec, uint64_t Idx,
|
|
const Twine &Name = "") {
|
|
return CreateExtractElement(Vec, getInt64(Idx), Name);
|
|
}
|
|
|
|
Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
|
|
const Twine &Name = "") {
|
|
if (Constant *VC = dyn_cast<Constant>(Vec))
|
|
if (Constant *NC = dyn_cast<Constant>(NewElt))
|
|
if (Constant *IC = dyn_cast<Constant>(Idx))
|
|
return Insert(Folder.CreateInsertElement(VC, NC, IC), Name);
|
|
return Insert(InsertElementInst::Create(Vec, NewElt, Idx), Name);
|
|
}
|
|
|
|
Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
|
|
const Twine &Name = "") {
|
|
return CreateInsertElement(Vec, NewElt, getInt64(Idx), Name);
|
|
}
|
|
|
|
Value *CreateShuffleVector(Value *V1, Value *V2, Value *Mask,
|
|
const Twine &Name = "") {
|
|
if (Constant *V1C = dyn_cast<Constant>(V1))
|
|
if (Constant *V2C = dyn_cast<Constant>(V2))
|
|
if (Constant *MC = dyn_cast<Constant>(Mask))
|
|
return Insert(Folder.CreateShuffleVector(V1C, V2C, MC), Name);
|
|
return Insert(new ShuffleVectorInst(V1, V2, Mask), Name);
|
|
}
|
|
|
|
Value *CreateShuffleVector(Value *V1, Value *V2, ArrayRef<int> IntMask,
|
|
const Twine &Name = "") {
|
|
size_t MaskSize = IntMask.size();
|
|
SmallVector<Constant*, 8> MaskVec(MaskSize);
|
|
for (size_t i = 0; i != MaskSize; ++i)
|
|
MaskVec[i] = getInt32(IntMask[i]);
|
|
Value *Mask = ConstantVector::get(MaskVec);
|
|
return CreateShuffleVector(V1, V2, Mask, Name);
|
|
}
|
|
|
|
Value *CreateExtractValue(Value *Agg,
|
|
ArrayRef<unsigned> Idxs,
|
|
const Twine &Name = "") {
|
|
if (Constant *AggC = dyn_cast<Constant>(Agg))
|
|
return Insert(Folder.CreateExtractValue(AggC, Idxs), Name);
|
|
return Insert(ExtractValueInst::Create(Agg, Idxs), Name);
|
|
}
|
|
|
|
Value *CreateInsertValue(Value *Agg, Value *Val,
|
|
ArrayRef<unsigned> Idxs,
|
|
const Twine &Name = "") {
|
|
if (Constant *AggC = dyn_cast<Constant>(Agg))
|
|
if (Constant *ValC = dyn_cast<Constant>(Val))
|
|
return Insert(Folder.CreateInsertValue(AggC, ValC, Idxs), Name);
|
|
return Insert(InsertValueInst::Create(Agg, Val, Idxs), Name);
|
|
}
|
|
|
|
LandingPadInst *CreateLandingPad(Type *Ty, Value *PersFn, unsigned NumClauses,
|
|
const Twine &Name = "") {
|
|
return Insert(LandingPadInst::Create(Ty, PersFn, NumClauses), Name);
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Utility creation methods
|
|
//===--------------------------------------------------------------------===//
|
|
|
|
/// \brief Return an i1 value testing if \p Arg is null.
|
|
Value *CreateIsNull(Value *Arg, const Twine &Name = "") {
|
|
return CreateICmpEQ(Arg, Constant::getNullValue(Arg->getType()),
|
|
Name);
|
|
}
|
|
|
|
/// \brief Return an i1 value testing if \p Arg is not null.
|
|
Value *CreateIsNotNull(Value *Arg, const Twine &Name = "") {
|
|
return CreateICmpNE(Arg, Constant::getNullValue(Arg->getType()),
|
|
Name);
|
|
}
|
|
|
|
/// \brief Return the i64 difference between two pointer values, dividing out
|
|
/// the size of the pointed-to objects.
|
|
///
|
|
/// This is intended to implement C-style pointer subtraction. As such, the
|
|
/// pointers must be appropriately aligned for their element types and
|
|
/// pointing into the same object.
|
|
Value *CreatePtrDiff(Value *LHS, Value *RHS, const Twine &Name = "") {
|
|
assert(LHS->getType() == RHS->getType() &&
|
|
"Pointer subtraction operand types must match!");
|
|
PointerType *ArgType = cast<PointerType>(LHS->getType());
|
|
Value *LHS_int = CreatePtrToInt(LHS, Type::getInt64Ty(Context));
|
|
Value *RHS_int = CreatePtrToInt(RHS, Type::getInt64Ty(Context));
|
|
Value *Difference = CreateSub(LHS_int, RHS_int);
|
|
return CreateExactSDiv(Difference,
|
|
ConstantExpr::getSizeOf(ArgType->getElementType()),
|
|
Name);
|
|
}
|
|
|
|
/// \brief Return a vector value that contains \arg V broadcasted to \p
|
|
/// NumElts elements.
|
|
Value *CreateVectorSplat(unsigned NumElts, Value *V, const Twine &Name = "") {
|
|
assert(NumElts > 0 && "Cannot splat to an empty vector!");
|
|
|
|
// First insert it into an undef vector so we can shuffle it.
|
|
Type *I32Ty = getInt32Ty();
|
|
Value *Undef = UndefValue::get(VectorType::get(V->getType(), NumElts));
|
|
V = CreateInsertElement(Undef, V, ConstantInt::get(I32Ty, 0),
|
|
Name + ".splatinsert");
|
|
|
|
// Shuffle the value across the desired number of elements.
|
|
Value *Zeros = ConstantAggregateZero::get(VectorType::get(I32Ty, NumElts));
|
|
return CreateShuffleVector(V, Undef, Zeros, Name + ".splat");
|
|
}
|
|
|
|
/// \brief Return a value that has been extracted from a larger integer type.
|
|
Value *CreateExtractInteger(const DataLayout &DL, Value *From,
|
|
IntegerType *ExtractedTy, uint64_t Offset,
|
|
const Twine &Name) {
|
|
IntegerType *IntTy = cast<IntegerType>(From->getType());
|
|
assert(DL.getTypeStoreSize(ExtractedTy) + Offset <=
|
|
DL.getTypeStoreSize(IntTy) &&
|
|
"Element extends past full value");
|
|
uint64_t ShAmt = 8 * Offset;
|
|
Value *V = From;
|
|
if (DL.isBigEndian())
|
|
ShAmt = 8 * (DL.getTypeStoreSize(IntTy) -
|
|
DL.getTypeStoreSize(ExtractedTy) - Offset);
|
|
if (ShAmt) {
|
|
V = CreateLShr(V, ShAmt, Name + ".shift");
|
|
}
|
|
assert(ExtractedTy->getBitWidth() <= IntTy->getBitWidth() &&
|
|
"Cannot extract to a larger integer!");
|
|
if (ExtractedTy != IntTy) {
|
|
V = CreateTrunc(V, ExtractedTy, Name + ".trunc");
|
|
}
|
|
return V;
|
|
}
|
|
|
|
/// \brief Create an assume intrinsic call that represents an alignment
|
|
/// assumption on the provided pointer.
|
|
///
|
|
/// An optional offset can be provided, and if it is provided, the offset
|
|
/// must be subtracted from the provided pointer to get the pointer with the
|
|
/// specified alignment.
|
|
CallInst *CreateAlignmentAssumption(const DataLayout &DL, Value *PtrValue,
|
|
unsigned Alignment,
|
|
Value *OffsetValue = nullptr) {
|
|
assert(isa<PointerType>(PtrValue->getType()) &&
|
|
"trying to create an alignment assumption on a non-pointer?");
|
|
|
|
PointerType *PtrTy = cast<PointerType>(PtrValue->getType());
|
|
Type *IntPtrTy = getIntPtrTy(DL, PtrTy->getAddressSpace());
|
|
Value *PtrIntValue = CreatePtrToInt(PtrValue, IntPtrTy, "ptrint");
|
|
|
|
Value *Mask = ConstantInt::get(IntPtrTy,
|
|
Alignment > 0 ? Alignment - 1 : 0);
|
|
if (OffsetValue) {
|
|
bool IsOffsetZero = false;
|
|
if (ConstantInt *CI = dyn_cast<ConstantInt>(OffsetValue))
|
|
IsOffsetZero = CI->isZero();
|
|
|
|
if (!IsOffsetZero) {
|
|
if (OffsetValue->getType() != IntPtrTy)
|
|
OffsetValue = CreateIntCast(OffsetValue, IntPtrTy, /*isSigned*/ true,
|
|
"offsetcast");
|
|
PtrIntValue = CreateSub(PtrIntValue, OffsetValue, "offsetptr");
|
|
}
|
|
}
|
|
|
|
Value *Zero = ConstantInt::get(IntPtrTy, 0);
|
|
Value *MaskedPtr = CreateAnd(PtrIntValue, Mask, "maskedptr");
|
|
Value *InvCond = CreateICmpEQ(MaskedPtr, Zero, "maskcond");
|
|
|
|
return CreateAssumption(InvCond);
|
|
}
|
|
};
|
|
|
|
// Create wrappers for C Binding types (see CBindingWrapping.h).
|
|
DEFINE_SIMPLE_CONVERSION_FUNCTIONS(IRBuilder<>, LLVMBuilderRef)
|
|
|
|
}
|
|
|
|
#endif
|