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0877622c14
When we have "Image Info Version" module flag but don't have "Class Properties" module flag, set "Class Properties" module flag to 0, so we can correctly emit errors when one module has the flag set and another module does not. rdar://26469641 llvm-svn: 270791
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
//===- AutoUpgrade.h - AutoUpgrade Helpers ----------------------*- 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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// These functions are implemented by lib/IR/AutoUpgrade.cpp.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_IR_AUTOUPGRADE_H
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#define LLVM_IR_AUTOUPGRADE_H
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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class CallInst;
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class Constant;
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class Function;
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class Instruction;
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class MDNode;
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class Module;
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class GlobalVariable;
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class Type;
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class Value;
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/// This is a more granular function that simply checks an intrinsic function
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/// for upgrading, and returns true if it requires upgrading. It may return
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/// null in NewFn if the all calls to the original intrinsic function
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/// should be transformed to non-function-call instructions.
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bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
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/// This is the complement to the above, replacing a specific call to an
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/// intrinsic function with a call to the specified new function.
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void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn);
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/// This is an auto-upgrade hook for any old intrinsic function syntaxes
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/// which need to have both the function updated as well as all calls updated
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/// to the new function. This should only be run in a post-processing fashion
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/// so that it can update all calls to the old function.
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void UpgradeCallsToIntrinsic(Function* F);
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/// This checks for global variables which should be upgraded. It returns true
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/// if it requires upgrading.
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bool UpgradeGlobalVariable(GlobalVariable *GV);
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/// This checks for module flags which should be upgraded. It returns true if
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/// module is modified.
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bool UpgradeModuleFlags(Module &M);
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/// If the TBAA tag for the given instruction uses the scalar TBAA format,
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/// we upgrade it to the struct-path aware TBAA format.
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void UpgradeInstWithTBAATag(Instruction *I);
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/// This is an auto-upgrade for bitcast between pointers with different
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/// address spaces: the instruction is replaced by a pair ptrtoint+inttoptr.
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Instruction *UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
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Instruction *&Temp);
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/// This is an auto-upgrade for bitcast constant expression between pointers
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/// with different address spaces: the instruction is replaced by a pair
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/// ptrtoint+inttoptr.
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Value *UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy);
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/// Check the debug info version number, if it is out-dated, drop the debug
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/// info. Return true if module is modified.
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bool UpgradeDebugInfo(Module &M);
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/// Check whether a string looks like an old loop attachment tag.
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inline bool mayBeOldLoopAttachmentTag(StringRef Name) {
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return Name.startswith("llvm.vectorizer.");
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}
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/// Upgrade the loop attachment metadata node.
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MDNode *upgradeInstructionLoopAttachment(MDNode &N);
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} // End llvm namespace
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#endif
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