Delete ISD::INSERT_SUBREG and ISD::EXTRACT_SUBREG, which are unused.

Note that these are distinct from TargetInstrInfo::INSERT_SUBREG
and TargetInstrInfo::EXTRACT_SUBREG, which are used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68355 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 0 insertions, 17 deletions

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 6cea5d6d7a..7d748259cf 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -327,18 +327,6 @@ namespace ISD {
     /// elements 1 to N-1 of the N-element vector are undefined.
     SCALAR_TO_VECTOR,
 
-    // EXTRACT_SUBREG - This node is used to extract a sub-register value.
-    // This node takes a superreg and a constant sub-register index as operands.
-    // Note sub-register indices must be increasing. That is, if the
-    // sub-register index of a 8-bit sub-register is N, then the index for a
-    // 16-bit sub-register must be at least N+1.
-    EXTRACT_SUBREG,
-
-    // INSERT_SUBREG - This node is used to insert a sub-register value.
-    // This node takes a superreg, a subreg value, and a constant sub-register
-    // index as operands.
-    INSERT_SUBREG,
-
     // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing
     // an unsigned/signed value of type i[2*N], then return the top part.
     MULHU, MULHS,
diff --git a/include/llvm/Target/TargetSelectionDAG.td b/include/llvm/Target/TargetSelectionDAG.td
index 5d1b37d1c7..7f39bb2f83 100644
--- a/include/llvm/Target/TargetSelectionDAG.td
+++ b/include/llvm/Target/TargetSelectionDAG.td
@@ -406,11 +406,6 @@ def vector_extract : SDNode<"ISD::EXTRACT_VECTOR_ELT",
 def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT",
     SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>;
     
-def extract_subreg : SDNode<"ISD::EXTRACT_SUBREG", 
-    SDTypeProfile<1, 2, []>>;
-def insert_subreg : SDNode<"ISD::INSERT_SUBREG", 
-    SDTypeProfile<1, 3, []>>;
-
 // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use
 // these internally.  Don't reference these directly.
 def intrinsic_void : SDNode<"ISD::INTRINSIC_VOID",