[llvm] [BOLT][NFC] Remove unneeded if (PR #88322)

[Nathan Sidwell via llvm-commits]

https://github.com/urnathan created https://github.com/llvm/llvm-project/pull/88322

In computing reloc section sh_info remapping we don't need to special-case zero.  section 0 will map to section 0.

>From c6089e81c59f706ed6c089c75263e097cc3a6706 Mon Sep 17 00:00:00 2001
From: Nathan Sidwell <nathan at acm.org>
Date: Wed, 10 Apr 2024 15:39:46 -0400
Subject: [PATCH] [BOLT][NFC] Remove unneeded if

---
 bolt/lib/Rewrite/RewriteInstance.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/bolt/lib/Rewrite/RewriteInstance.cpp b/bolt/lib/Rewrite/RewriteInstance.cpp
index 0c8ee0d417233b..6491276cd54d28 100644
--- a/bolt/lib/Rewrite/RewriteInstance.cpp
+++ b/bolt/lib/Rewrite/RewriteInstance.cpp
@@ -4417,6 +4417,7 @@ void RewriteInstance::patchELFSectionHeaderTable(ELFObjectFile<ELFT> *File) {
   raw_fd_ostream &OS = Out->os();
   const ELFFile<ELFT> &Obj = File->getELFFile();
 
+  // Mapping from old section indices to new ones
   std::vector<uint32_t> NewSectionIndex;
   std::vector<ELFShdrTy> OutputSections =
       getOutputSections(File, NewSectionIndex);
@@ -4434,10 +4435,8 @@ void RewriteInstance::patchELFSectionHeaderTable(ELFObjectFile<ELFT> *File) {
   // Write all section header entries while patching section references.
   for (ELFShdrTy &Section : OutputSections) {
     Section.sh_link = NewSectionIndex[Section.sh_link];
-    if (Section.sh_type == ELF::SHT_REL || Section.sh_type == ELF::SHT_RELA) {
-      if (Section.sh_info)
-        Section.sh_info = NewSectionIndex[Section.sh_info];
-    }
+    if (Section.sh_type == ELF::SHT_REL || Section.sh_type == ELF::SHT_RELA)
+      Section.sh_info = NewSectionIndex[Section.sh_info];
     OS.write(reinterpret_cast<const char *>(&Section), sizeof(Section));
   }