[IR] Remove redundant declarations (NFC)

[kazutakahirata]

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

Identified with readability-redundant-declaration.

[llvmbot]

@llvm/pr-subscribers-llvm-ir

Author: Kazu Hirata (kazutakahirata)

Changes

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

Identified with readability-redundant-declaration.

---

Full diff: https://github.com/llvm/llvm-project/pull/166084.diff

1 Files Affected:

• (modified) llvm/lib/IR/ModuleSummaryIndex.cpp (-4)

diff --git a/llvm/lib/IR/ModuleSummaryIndex.cpp b/llvm/lib/IR/ModuleSummaryIndex.cpp
index 62fd62caad3d6..33947542bcf16 100644
--- a/llvm/lib/IR/ModuleSummaryIndex.cpp
+++ b/llvm/lib/IR/ModuleSummaryIndex.cpp
@@ -34,8 +34,6 @@ static cl::opt<bool> ImportConstantsWithRefs(
     "import-constants-with-refs", cl::init(true), cl::Hidden,
     cl::desc("Import constant global variables with references"));
 
-constexpr uint32_t FunctionSummary::ParamAccess::RangeWidth;
-
 FunctionSummary FunctionSummary::ExternalNode =
     FunctionSummary::makeDummyFunctionSummary(
         SmallVector<FunctionSummary::EdgeTy, 0>());
@@ -88,8 +86,6 @@ std::pair<unsigned, unsigned> FunctionSummary::specialRefCounts() const {
   return {RORefCnt, WORefCnt};
 }
 
-constexpr uint64_t ModuleSummaryIndex::BitcodeSummaryVersion;
-
 uint64_t ModuleSummaryIndex::getFlags() const {
   uint64_t Flags = 0;
   // Flags & 0x4 is reserved. DO NOT REUSE.