[llvm] Use `std::move` to avoid copy (PR #113054)

[via llvm-commits]

https://github.com/abhishek-kaushik22 updated https://github.com/llvm/llvm-project/pull/113054

>From 76050379ac9d7d485bedf2661bd10a900379f582 Mon Sep 17 00:00:00 2001
From: abhishek-kaushik22 <abhishek.kaushik at intel.com>
Date: Sat, 19 Oct 2024 22:43:52 +0530
Subject: [PATCH 1/5] Use `std::move` to avoid redundant copy

---
 llvm/utils/TableGen/DecoderEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
index 4d2320b31ea94a..55af5fdc3d6a37 100644
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -2059,7 +2059,7 @@ populateInstruction(const CodeGenTarget &Target, const Record &EncodingDef,
           MyName = Op.Name;
 
         TiedNames[MyName] = TiedName;
-        TiedNames[TiedName] = MyName;
+        TiedNames[TiedName] = std::move(MyName);
       }
     }
   }

>From 014565eb49b5855e3da164040f976b4fbf342521 Mon Sep 17 00:00:00 2001
From: abhishek-kaushik22 <abhishek.kaushik at intel.com>
Date: Sat, 19 Oct 2024 22:52:50 +0530
Subject: [PATCH 2/5] Use `std::move` to avoid copy

---
 llvm/utils/TableGen/DecoderEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
index 55af5fdc3d6a37..a9e05bcaeff68c 100644
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -1893,7 +1893,7 @@ OperandInfo getOpInfo(const Record *TypeRecord) {
   bool HasCompleteDecoder =
       HasCompleteDecoderBit ? HasCompleteDecoderBit->getValue() : true;
 
-  return OperandInfo(Decoder, HasCompleteDecoder);
+  return OperandInfo(std::move(Decoder), HasCompleteDecoder);
 }
 
 static void parseVarLenInstOperand(const Record &Def,

>From c0e13d2f51234c4f610d2eddadd0b5acefba4e3f Mon Sep 17 00:00:00 2001
From: abhishek-kaushik22 <abhishek.kaushik at intel.com>
Date: Sat, 19 Oct 2024 23:02:40 +0530
Subject: [PATCH 3/5] Update DecoderEmitter.cpp

---
 llvm/utils/TableGen/DecoderEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
index a9e05bcaeff68c..9c313e19d2d182 100644
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -2024,7 +2024,7 @@ populateInstruction(const CodeGenTarget &Target, const Record &EncodingDef,
         EncodingDef.getValueAsBit("hasCompleteDecoder");
     InsnOperands.push_back(
         OperandInfo(std::string(InstDecoder), HasCompleteInstDecoder));
-    Operands[Opc] = InsnOperands;
+    Operands[Opc] = std::move(InsnOperands);
     return Bits.getNumBits();
   }
 

>From 7c6848ad3c60d96df46faa2235b3a072194385fe Mon Sep 17 00:00:00 2001
From: abhishek-kaushik22 <abhishek.kaushik at intel.com>
Date: Sat, 19 Oct 2024 23:09:50 +0530
Subject: [PATCH 4/5] Update DecoderEmitter.cpp

---
 llvm/utils/TableGen/DecoderEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
index 9c313e19d2d182..12f5fc30d34eb7 100644
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -2143,7 +2143,7 @@ populateInstruction(const CodeGenTarget &Target, const Record &EncodingDef,
       // instruction! (This is a longstanding bug, which will be addressed in an
       // upcoming change.)
       if (OpInfo.numFields() > 0)
-        InsnOperands.push_back(OpInfo);
+        InsnOperands.push_back(std::move(OpInfo));
     }
   }
   Operands[Opc] = InsnOperands;

>From 2ce9d2a4aa7d14c9afd4ef0d29e8f9792647d30e Mon Sep 17 00:00:00 2001
From: abhishek-kaushik22 <abhishek.kaushik at intel.com>
Date: Sun, 20 Oct 2024 00:57:20 +0530
Subject: [PATCH 5/5] Update DecoderEmitter.cpp

---
 llvm/utils/TableGen/DecoderEmitter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp
index 12f5fc30d34eb7..90a6d0ee8acb57 100644
--- a/llvm/utils/TableGen/DecoderEmitter.cpp
+++ b/llvm/utils/TableGen/DecoderEmitter.cpp
@@ -2112,7 +2112,7 @@ populateInstruction(const CodeGenTarget &Target, const Record &EncodingDef,
 
           addOneOperandFields(EncodingDef, Bits, TiedNames, SubOpName,
                               SubOpInfo);
-          InsnOperands.push_back(SubOpInfo);
+          InsnOperands.push_back(std::move(SubOpInfo));
         }
         continue;
       }