COMPILER DESIGN

TOOLS AND TECHNIQUES FOR COMPILER DESIGN

LLVM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A low-level optimizer (LLO) is part of the
A
Interpreter
B
Frontend
C
Optimizer
D
Backend
Explanation: 

Detailed explanation-1: -In computing, an optimizing compiler is a compiler that tries to minimize or maximize some attributes of an executable computer program. Common requirements are to minimize a program’s execution time, memory footprint, storage size, and power consumption (the last three being popular for portable computers).

Detailed explanation-2: -Optimization can be categorized broadly into two types : machine independent and machine dependent.

Detailed explanation-3: -Edit online. The degree to which the compiler will optimize the code it generates is controlled by the-O flag. No optimization. In the absence of any version of the-O flag, the compiler generates straightforward code with no instruction reordering or other attempt at performance improvement.

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