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[JumpThreading] Add a basic support for freeze instruction
authorJuneyoung Lee <aqjune@gmail.com>
Tue, 28 Jul 2020 18:11:57 +0000 (03:11 +0900)
committerJuneyoung Lee <aqjune@gmail.com>
Tue, 28 Jul 2020 18:12:14 +0000 (03:12 +0900)
commit4c9af6d0e001bf76007527899df7a9d8860c9a5a
tree5aa3491997c4e59e8f8919747b90f856328c4885tree | snapshot
parent745eb02496b515cc8292dd7f9d7f0db43e162013commit | diff
[JumpThreading] Add a basic support for freeze instruction

This patch adds a basic support for freeze instruction to JumpThreading
by making ComputeValueKnownInPredecessorsImpl look into its operand.

Reviewed By: efriedma, nikic

Differential Revision: https://reviews.llvm.org/D84598
llvm/lib/Transforms/Scalar/JumpThreading.cpp diff | blob | history
llvm/test/Transforms/JumpThreading/freeze.ll diff | blob | history
Domain: System / Toolchain;