[PATCH] D119793: [SelectionDAG] Add SPLAT_VECTOR to SelectionDAG::isConstantFPBuildVectorOrConstantFP.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: efriedma, sdesmalen, frasercrmck.
Herald added subscribers: ecnelises, hiraditya.
craig.topper requested review of this revision.
Herald added a project: LLVM.

Matches what is done for the int version.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D119793

Files:
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -11107,6 +11107,10 @@
   if (ISD::isBuildVectorOfConstantFPSDNodes(N.getNode()))
     return N.getNode();
 
+  if ((N.getOpcode() == ISD::SPLAT_VECTOR) &&
+      isa<ConstantFPSDNode>(N.getOperand(0)))
+    return N.getNode();
+
   return nullptr;
 }
 


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