[llvm] [X86] Remove redundant declarations (NFC) (PR #166107)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/166107

In C++17, static constexpr members are implicitly inline, so they no
longer require an out-of-line definition.

Identified with readability-redundant-declaration.


>From 9201907a07b0d9361e6e67cc69a99fb29bc7e144 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sun, 2 Nov 2025 13:58:02 -0800
Subject: [PATCH] [X86] Remove redundant declarations (NFC)

In C++17, static constexpr members are implicitly inline, so they no
longer require an out-of-line definition.

Identified with readability-redundant-declaration.
---
 llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp b/llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp
index b655183b6b49b..3b96e706fb607 100644
--- a/llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp
+++ b/llvm/lib/Target/X86/X86LoadValueInjectionLoadHardening.cpp
@@ -227,9 +227,6 @@ struct DOTGraphTraits<MachineGadgetGraph *> : DefaultDOTGraphTraits {
 
 } // end namespace llvm
 
-constexpr MachineInstr *MachineGadgetGraph::ArgNodeSentinel;
-constexpr int MachineGadgetGraph::GadgetEdgeSentinel;
-
 char X86LoadValueInjectionLoadHardeningPass::ID = 0;
 
 void X86LoadValueInjectionLoadHardeningPass::getAnalysisUsage(