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C++ StoreInst::takeName方法代码示例

本文整理汇总了C++中StoreInst::takeName方法的典型用法代码示例。如果您正苦于以下问题:C++ StoreInst::takeName方法的具体用法?C++ StoreInst::takeName怎么用?C++ StoreInst::takeName使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在StoreInst的用法示例。


在下文中一共展示了StoreInst::takeName方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Ranges


//.........这里部分代码省略.........
    alloc = makeAlloca(int8Ty, "agg.tmp", insertBefore,
                       Range.End-Range.Start, Alignment);

    // Generate the old and new base pointers before we output
    // anything else.
    {
      Type* iPtrTy = TD->getIntPtrType(alloc->getType());
      Type* iNewBaseTy = TD->getIntPtrType(alloc->getType());
      oldBaseI = builder.CreatePtrToInt(StartPtr, iPtrTy, "agg.tmp.oldb.i");
      newBaseI = builder.CreatePtrToInt(alloc, iNewBaseTy, "agg.tmp.newb.i");
    }

    // If storing, do the stores we had into our alloca'd region.
    if( isStore ) {
      for (SmallVector<Instruction*, 16>::const_iterator
           SI = Range.TheStores.begin(),
           SE = Range.TheStores.end(); SI != SE; ++SI) {
        StoreInst* oldStore = cast<StoreInst>(*SI);

        if( DebugThis ) {
          errs() << "have store in range:";
          oldStore->dump();
        }

        Value* ptrToAlloc = rebasePointer(oldStore->getPointerOperand(),
                                          StartPtr, alloc, "agg.tmp",
                                          &builder, *TD, oldBaseI, newBaseI);
        // Old load must not be volatile or atomic... or we shouldn't have put
        // it in ranges
        assert(!(oldStore->isVolatile() || oldStore->isAtomic()));
        StoreInst* newStore =
          builder.CreateStore(oldStore->getValueOperand(), ptrToAlloc);
        newStore->setAlignment(oldStore->getAlignment());
        newStore->takeName(oldStore);
      }
    }

    // cast the pointer that was load/stored to i8 if necessary.
    if( StartPtr->getType()->getPointerElementType() == int8Ty ) {
      globalPtr = StartPtr;
    } else {
      globalPtr = builder.CreatePointerCast(StartPtr, globalInt8PtrTy, "agg.cast");
    }

    // Get a Constant* for the length.
    Constant* len = ConstantInt::get(sizeTy, Range.End-Range.Start, false);

    // Now add the memcpy instruction
    unsigned addrSpaceDst,addrSpaceSrc;
    addrSpaceDst = addrSpaceSrc = 0;
    if( isStore ) addrSpaceDst = globalSpace;
    if( isLoad ) addrSpaceSrc = globalSpace;

    Type *types[3];
    types[0] = PointerType::get(int8Ty, addrSpaceDst);
    types[1] = PointerType::get(int8Ty, addrSpaceSrc);
    types[2] = sizeTy;

    Function *func = Intrinsic::getDeclaration(M, Intrinsic::memcpy, types);

    Value* args[5]; // dst src len alignment isvolatile
    if( isStore ) {
      // it's a store (ie put)
      args[0] = globalPtr;
      args[1] = alloc;
    } else {
开发者ID:AbheekG,项目名称:chapel,代码行数:67,代码来源:llvmAggregateGlobalOps.cpp


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