[PATCH] D78684: [GISel]: Relax opcode checking at the top level to enable CSE

Aditya Nandakumar via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 22 17:59:22 PDT 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rG3db893b3712a: [GISel]: Relax opcode checking at the top level to enable CSE (authored by aditya_nandakumar).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D78684/new/

https://reviews.llvm.org/D78684

Files:
  llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp


Index: llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
+++ llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
@@ -217,9 +217,6 @@
 }
 
 bool GISelCSEInfo::shouldCSE(unsigned Opc) const {
-  // Only GISel opcodes are CSEable
-  if (!isPreISelGenericOpcode(Opc))
-    return false;
   assert(CSEOpt.get() && "CSEConfig not set");
   return CSEOpt->shouldCSEOpc(Opc);
 }


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