[Hexagon] Use symbolic name for subregister instead of hardcoded number

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250849 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Hexagon/HexagonPeephole.cpp b/lib/Target/Hexagon/HexagonPeephole.cpp
index dca3121e00ef6f7402d5284b0c30cf66ddaf74fd..e68ff85b1da6423f23f7c143f4de5245b452fccc 100644 (file)
--- a/lib/Target/Hexagon/HexagonPeephole.cpp
+++ b/lib/Target/Hexagon/HexagonPeephole.cpp
@@ -180,7 +180,7 @@ bool HexagonPeephole::runOnMachineFunction(MachineFunction &MF) {
         unsigned DstReg = Dst.getReg();
         unsigned SrcReg = Src1.getReg();
         PeepholeDoubleRegsMap[DstReg] =
-          std::make_pair(*&SrcReg, 1/*Hexagon::subreg_hireg*/);
+          std::make_pair(*&SrcReg, Hexagon::subreg_hireg);
       }
 
       // Look for P=NOT(P).