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 · Sep 4, 2019 · 80913a7 · 80913a7
1 parent b0412e4
commit 80913a7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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>;