[Support] 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-support

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/165971.diff

1 Files Affected:

• (modified) llvm/lib/Support/APFloat.cpp (-6)

diff --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp
index e21cf8e13d4dc..e2645fa46bbcd 100644
--- a/llvm/lib/Support/APFloat.cpp
+++ b/llvm/lib/Support/APFloat.cpp
@@ -269,12 +269,6 @@ bool APFloatBase::isRepresentableBy(const fltSemantics &A,
          A.precision <= B.precision;
 }
 
-constexpr RoundingMode APFloatBase::rmNearestTiesToEven;
-constexpr RoundingMode APFloatBase::rmTowardPositive;
-constexpr RoundingMode APFloatBase::rmTowardNegative;
-constexpr RoundingMode APFloatBase::rmTowardZero;
-constexpr RoundingMode APFloatBase::rmNearestTiesToAway;
-
 /* A tight upper bound on number of parts required to hold the value
    pow(5, power) is