mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-02 21:17:17 +00:00
148a0bfcea
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2528 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
//===-- Transform/Utils/BasicBlockUtils.h - BasicBlock Utilities -*- C++ -*-==//
|
|
//
|
|
// This family of functions perform manipulations on basic blocks, and
|
|
// instructions contained within basic blocks.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TRANSFORMS_UTILS_BASICBLOCK_H
|
|
#define LLVM_TRANSFORMS_UTILS_BASICBLOCK_H
|
|
|
|
// FIXME: Move to this file: BasicBlock::removePredecessor, BB::splitBasicBlock
|
|
|
|
#include "llvm/BasicBlock.h"
|
|
class Instruction;
|
|
|
|
|
|
// ReplaceInstWithValue - Replace all uses of an instruction (specified by BI)
|
|
// with a value, then remove and delete the original instruction.
|
|
//
|
|
void ReplaceInstWithValue(BasicBlock::InstListType &BIL,
|
|
BasicBlock::iterator &BI, Value *V);
|
|
|
|
// ReplaceInstWithInst - Replace the instruction specified by BI with the
|
|
// instruction specified by I. The original instruction is deleted and BI is
|
|
// updated to point to the new instruction.
|
|
//
|
|
void ReplaceInstWithInst(BasicBlock::InstListType &BIL,
|
|
BasicBlock::iterator &BI, Instruction *I);
|
|
|
|
// ReplaceInstWithInst - Replace the instruction specified by From with the
|
|
// instruction specified by To. Note that this is slower than providing an
|
|
// iterator directly, because the basic block containing From must be searched
|
|
// for the instruction.
|
|
//
|
|
void ReplaceInstWithInst(Instruction *From, Instruction *To);
|
|
|
|
// InsertInstBeforeInst - Insert 'NewInst' into the basic block that 'Existing'
|
|
// is already in, and put it right before 'Existing'. This instruction should
|
|
// only be used when there is no iterator to Existing already around. The
|
|
// returned iterator points to the new instruction.
|
|
//
|
|
BasicBlock::iterator InsertInstBeforeInst(Instruction *NewInst,
|
|
Instruction *Existing);
|
|
|
|
#endif
|