From 80913a70f5492bd42732ab7c98564d2590820cfd Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Wed, 4 Sep 2019 16:19:29 +0000
Subject: [PATCH] GlobalISel: Define GINodeEquiv for undef

AMDGPU uses this for undef vector elements in some patterns which will
be enabled in a future patch.

llvm-svn: 370918
---
 llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td b/llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
index 87f0aa4..e06de60 100644
--- a/llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
+++ b/llvm/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
@@ -50,6 +50,7 @@ def : GINodeEquiv<G_BITCAST, bitconvert>;
 // G_PTRTOINT - SelectionDAG has no equivalent.
 def : GINodeEquiv<G_CONSTANT, imm>;
 def : GINodeEquiv<G_FCONSTANT, fpimm>;
+def : GINodeEquiv<G_IMPLICIT_DEF, undef>;
 def : GINodeEquiv<G_ADD, add>;
 def : GINodeEquiv<G_SUB, sub>;
 def : GINodeEquiv<G_MUL, mul>;
-- 
2.7.4