[clang] [lld] [Driver] Default enable LoongArch linker relaxation (PR #111488)

[Jinyang He via cfe-commits]

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@@ -134,6 +134,12 @@ void loongarch::getLoongArchTargetFeatures(const Driver &D,
       (!Args.hasArgNoClaim(clang::driver::options::OPT_march_EQ)))
     Features.push_back("+lsx");
 
+  if (Args.hasFlag(options::OPT_mrelax, options::OPT_mno_relax, true)) {
+    Features.push_back("+relax");
+  } else {
+    Features.push_back("-relax");
+  }
+
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MQ-mengqing wrote:

We can omit the braces.
https://llvm.org/docs/CodingStandards.html#don-t-use-braces-on-simple-single-statement-bodies-of-if-else-loop-statements

https://github.com/llvm/llvm-project/pull/111488