Add a helper to build Copy instructions in MachineIRBuilder

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@315239 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h b/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
index 5534c39..214314c 100644 (file)
--- a/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
+++ b/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
@@ -543,6 +543,10 @@ public:
   ///
   /// \return a MachineInstrBuilder for the newly created instruction.
   MachineInstrBuilder buildCopy(unsigned Res, unsigned Op);
+  template <typename DstType, typename SrcType>
+  MachineInstrBuilder buildCopy(DstType &&Res, SrcType &&Src) {
+    return buildCopy(getDestFromArg(Res), getRegFromArg(Src));
+  }
 
   /// Build and insert `Res<def> = G_LOAD Addr, MMO`.
   ///
@@ -660,6 +664,10 @@ public:
   ///
   /// \return The newly created instruction.
   MachineInstrBuilder buildTrunc(unsigned Res, unsigned Op);
+  template <typename DstType, typename SrcType>
+  MachineInstrBuilder buildTrunc(DstType &&Res, SrcType &&Src) {
+    return buildTrunc(getDestFromArg(Res), getRegFromArg(Src));
+  }
 
   /// Build and insert a \p Res = G_ICMP \p Pred, \p Op0, \p Op1
   ///