[lld] [lld][LoongArch] Relax R_LARCH_PCALA_HI20 and R_LARCH_PCALA_LO12 (PR #112696)

[Jinyang He via llvm-commits]

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@@ -744,6 +784,70 @@ void LoongArch::relocate(uint8_t *loc, const Relocation &rel,
   }
 }
 
+static bool relaxable(ArrayRef<Relocation> relocs, size_t i) {
+  return i + 1 != relocs.size() && relocs[i + 1].type == R_LARCH_RELAX;
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MQ-mengqing wrote:

Should be equivalent with "<" in many scenario. The "<=" is something wrong, please ignore.

https://github.com/llvm/llvm-project/pull/112696