[llvm-objdump] Remove unnecessary casts (NFC) (llvm#152443)

data() alaready returns const char *.

Author: kazutakahirata

llvm/tools/llvm-objdump/MachODump.cpp

@@ -1749,7 +1749,7 @@ static void DumpLiteralPointerSection(MachOObjectFile *O,
 
     StringRef BytesStr = unwrapOrError(Sect->getContents(), O->getFileName());
 
-    const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
+    const char *Contents = BytesStr.data();
 
     switch (section_type) {
     case MachO::S_CSTRING_LITERALS:
@@ -1965,7 +1965,7 @@ static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
 
         StringRef BytesStr =
             unwrapOrError(Section.getContents(), O->getFileName());
-        const char *sect = reinterpret_cast<const char *>(BytesStr.data());
+        const char *sect = BytesStr.data();
         uint32_t sect_size = BytesStr.size();
         uint64_t sect_addr = Section.getAddress();
 
@@ -2049,7 +2049,7 @@ static void DumpInfoPlistSectionContents(StringRef Filename,
         outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
       StringRef BytesStr =
           unwrapOrError(Section.getContents(), O->getFileName());
-      const char *sect = reinterpret_cast<const char *>(BytesStr.data());
+      const char *sect = BytesStr.data();
       outs() << format("%.*s", BytesStr.size(), sect) << "\n";
       return;
     }
@@ -3237,7 +3237,7 @@ static const char *GuessCstringPointer(uint64_t ReferenceValue,
           uint64_t object_offset = Sec.offset + sect_offset;
           StringRef MachOContents = info->O->getData();
           uint64_t object_size = MachOContents.size();
-          const char *object_addr = (const char *)MachOContents.data();
+          const char *object_addr = MachOContents.data();
           if (object_offset < object_size) {
             const char *name = object_addr + object_offset;
             return name;
@@ -3258,7 +3258,7 @@ static const char *GuessCstringPointer(uint64_t ReferenceValue,
           uint64_t object_offset = Sec.offset + sect_offset;
           StringRef MachOContents = info->O->getData();
           uint64_t object_size = MachOContents.size();
-          const char *object_addr = (const char *)MachOContents.data();
+          const char *object_addr = MachOContents.data();
           if (object_offset < object_size) {
             const char *name = object_addr + object_offset;
             return name;
@@ -3447,7 +3447,7 @@ static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
           uint64_t object_offset = Sec.offset + sect_offset;
           StringRef MachOContents = info->O->getData();
           uint64_t object_size = MachOContents.size();
-          const char *object_addr = (const char *)MachOContents.data();
+          const char *object_addr = MachOContents.data();
           if (object_offset < object_size) {
             uint64_t pointer_value;
             memcpy(&pointer_value, object_addr + object_offset,
@@ -4350,7 +4350,7 @@ walk_pointer_list_64(const char *listname, const SectionRef S,
   outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
 
   StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName());
-  const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
+  const char *Contents = BytesStr.data();
 
   for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
     uint32_t left = S.getSize() - i;
@@ -4399,7 +4399,7 @@ walk_pointer_list_32(const char *listname, const SectionRef S,
   outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
 
   StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName());
-  const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
+  const char *Contents = BytesStr.data();
 
   for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
     uint32_t left = S.getSize() - i;