[ConstraintElimination] Use std::move in the constructor (NFC)

[kazutakahirata]

Moving the contents of Coefficients saves 0.43% of heap allocations
during the compilation of a large preprocessed file, namely
X86ISelLowering.cpp, for the X86 target.

[llvmbot]

@llvm/pr-subscribers-llvm-transforms

Author: Kazu Hirata (kazutakahirata)

Changes

Moving the contents of Coefficients saves 0.43% of heap allocations
during the compilation of a large preprocessed file, namely
X86ISelLowering.cpp, for the X86 target.

---

Full diff: https://github.com/llvm/llvm-project/pull/79259.diff

1 Files Affected:

• (modified) llvm/lib/Transforms/Scalar/ConstraintElimination.cpp (+2-2)

diff --git a/llvm/lib/Transforms/Scalar/ConstraintElimination.cpp b/llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
index 8f09569d0d9cc9f..1242cf3ea601cf1 100644
--- a/llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
+++ b/llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
@@ -231,8 +231,8 @@ struct ConstraintTy {
 
   ConstraintTy(SmallVector<int64_t, 8> Coefficients, bool IsSigned, bool IsEq,
                bool IsNe)
-      : Coefficients(Coefficients), IsSigned(IsSigned), IsEq(IsEq), IsNe(IsNe) {
-  }
+      : Coefficients(std::move(Coefficients)), IsSigned(IsSigned), IsEq(IsEq),
+        IsNe(IsNe) {}
 
   unsigned size() const { return Coefficients.size(); }
 

[nikic]

LGTM

[fhahn]

LGTM, thanks!