From 5672b55a7b3a2c6b248c6c10981ed4bf26629858 Mon Sep 17 00:00:00 2001
From: Xing GUO <higuoxing@gmail.com>
Date: Thu, 15 Nov 2018 11:51:13 +0000
Subject: [PATCH] [llvm-objdump] Use `auto` declaration in typecasting

Summary:
According to `MaskRay`, use `auto` for type inference, according to coding standards.
Delete some comments, because these comments can be easily inferred from codes.

Reviewers: jhenderson, MaskRay

Reviewed By: jhenderson

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D54573

llvm-svn: 346946
---
 tools/llvm-objdump/ELFDump.cpp | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/tools/llvm-objdump/ELFDump.cpp b/tools/llvm-objdump/ELFDump.cpp
index 90289bab5d7..b17a15a0d8f 100644
--- a/tools/llvm-objdump/ELFDump.cpp
+++ b/tools/llvm-objdump/ELFDump.cpp
@@ -158,31 +158,23 @@ template <class ELFT> void printProgramHeaders(const ELFFile<ELFT> *o) {
 }
 
 void llvm::printELFFileHeader(const object::ObjectFile *Obj) {
-  // Little-endian 32-bit
-  if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
+  if (const auto *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
     printProgramHeaders(ELFObj->getELFFile());
-  // Big-endian 32-bit
-  else if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
     printProgramHeaders(ELFObj->getELFFile());
-  // Little-endian 64-bit
-  else if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
     printProgramHeaders(ELFObj->getELFFile());
-  // Big-endian 64-bit
-  else if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
     printProgramHeaders(ELFObj->getELFFile());
 }
 
 void llvm::printELFDynamicSection(const object::ObjectFile *Obj) {
-  // Little-endian 32-bit
-  if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
+  if (const auto *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
     printDynamicSection(ELFObj->getELFFile(), Obj->getFileName());
-  // Big-endian 32-bit
-  else if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
     printDynamicSection(ELFObj->getELFFile(), Obj->getFileName());
-  // Little-endian 64-bit
-  else if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
     printDynamicSection(ELFObj->getELFFile(), Obj->getFileName());
-  // Big-endian 64-bit
-  else if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
+  else if (const auto *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
     printDynamicSection(ELFObj->getELFFile(), Obj->getFileName());
 }