[llvm-dev] [cfe-dev] Instruction scheduling in LLVM

Javed Absar via llvm-dev llvm-dev at lists.llvm.org
Tue Jan 22 03:23:24 PST 2019

Hi Siddharh :

 You may find this tutorial on llvm machine scheduler useful https://youtu.be/brpomKUynEA It gives an overview of scheduling algorithms used by llvm. It also explains how you could override the default scheduling algorithm in various stages.

best regards.


From: cfe-dev <cfe-dev-bounces at lists.llvm.org> on behalf of Siddharth Shankar Swain via cfe-dev <cfe-dev at lists.llvm.org>
Sent: 22 January 2019 10:54
To: llvm-dev; Clang Dev
Subject: [cfe-dev] Instruction scheduling in LLVM

Hi all,

Can anyone tell me the current state of instruction scheduling in LLVM, i.e. what all internal scheduling algorithms and whether constraint solving methods are used in LLVM for a single issue processor ? Please let me know if anyone has any information about it.

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