[llvm] Experiment/replace copy assign by move assign (PR #178169)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-analysis

Author: None (serge-sans-paille)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/178169.diff


3 Files Affected:

- (modified) llvm/lib/Analysis/IVDescriptors.cpp (+1-1) 
- (modified) llvm/lib/Analysis/InlineCost.cpp (+1-1) 
- (modified) llvm/lib/Analysis/LoopUnrollAnalyzer.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Analysis/IVDescriptors.cpp b/llvm/lib/Analysis/IVDescriptors.cpp
index 3946a7ce8b8f6..74e276b1c836f 100644
--- a/llvm/lib/Analysis/IVDescriptors.cpp
+++ b/llvm/lib/Analysis/IVDescriptors.cpp
@@ -659,7 +659,7 @@ bool RecurrenceDescriptor::AddReductionVar(
   RecurrenceDescriptor RD(RdxStart, ExitInstruction, IntermediateStore, Kind,
                           FMF, ExactFPMathInst, RecurrenceType, IsSigned,
                           IsOrdered, CastInsts, MinWidthCastToRecurrenceType);
-  RedDes = RD;
+  RedDes = std::move(RD);
 
   return true;
 }
diff --git a/llvm/lib/Analysis/InlineCost.cpp b/llvm/lib/Analysis/InlineCost.cpp
index 0e49b1903d410..8e99a4c352454 100644
--- a/llvm/lib/Analysis/InlineCost.cpp
+++ b/llvm/lib/Analysis/InlineCost.cpp
@@ -1728,7 +1728,7 @@ bool CallAnalyzer::canFoldInboundsGEP(GetElementPtrInst &I) {
     return false;
 
   // Add the result as a new mapping to Base + Offset.
-  ConstantOffsetPtrs[&I] = BaseAndOffset;
+  ConstantOffsetPtrs[&I] = std::move(BaseAndOffset);
 
   return true;
 }
diff --git a/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp b/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp
index 9c78e2afaede7..7c8e300c016ba 100644
--- a/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp
+++ b/llvm/lib/Analysis/LoopUnrollAnalyzer.cpp
@@ -66,7 +66,7 @@ bool UnrolledInstAnalyzer::simplifyInstWithSCEV(Instruction *I) {
   SimplifiedAddress Address;
   Address.Base = Base->getValue();
   Address.Offset = *Offset;
-  SimplifiedAddresses[I] = Address;
+  SimplifiedAddresses[I] = std::move(Address);
   return false;
 }
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/178169