[PATCH] D36657: [X86] Remove flag setting ISD nodes from computeKnownBitsForTargetNode

Phabricator via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 14 08:29:58 PDT 2017


This revision was automatically updated to reflect the committed changes.
Closed by commit rL310845: [X86] Remove flag setting ISD nodes from computeKnownBitsForTargetNode (authored by ctopper).

Changed prior to commit:
  https://reviews.llvm.org/D36657?vs=110897&id=110977#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D36657

Files:
  llvm/trunk/lib/Target/X86/X86ISelLowering.cpp


Index: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
@@ -26915,21 +26915,6 @@
   Known.resetAll();
   switch (Opc) {
   default: break;
-  case X86ISD::ADD:
-  case X86ISD::SUB:
-  case X86ISD::ADC:
-  case X86ISD::SBB:
-  case X86ISD::SMUL:
-  case X86ISD::UMUL:
-  case X86ISD::INC:
-  case X86ISD::DEC:
-  case X86ISD::OR:
-  case X86ISD::XOR:
-  case X86ISD::AND:
-    // These nodes' second result is a boolean.
-    if (Op.getResNo() == 0)
-      break;
-    LLVM_FALLTHROUGH;
   case X86ISD::SETCC:
     Known.Zero.setBitsFrom(1);
     break;


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