Simplify Boolean expressions

This patch simplifies boolean expressions acorss LLDB. It was generated
using clang-tidy with the following command:

run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD

Differential revision: https://reviews.llvm.org/D55584

llvm-svn: 349215
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
index 77ae973..e294bd4 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
@@ -1140,7 +1140,7 @@
   uint32_t idx;
   lldb::offset_t offset;
   for (idx = 0, offset = 0; idx < header.e_phnum; ++idx) {
-    if (program_headers[idx].Parse(data, &offset) == false)
+    if (!program_headers[idx].Parse(data, &offset))
       break;
   }
 
@@ -1552,7 +1552,7 @@
   uint32_t idx;
   lldb::offset_t offset;
   for (idx = 0, offset = 0; idx < header.e_shnum; ++idx) {
-    if (section_headers[idx].Parse(sh_data, &offset) == false)
+    if (!section_headers[idx].Parse(sh_data, &offset))
       break;
   }
   if (idx < section_headers.size())
@@ -1953,7 +1953,7 @@
 
   unsigned i;
   for (i = 0; i < num_symbols; ++i) {
-    if (symbol.Parse(symtab_data, &offset) == false)
+    if (!symbol.Parse(symtab_data, &offset))
       break;
 
     const char *symbol_name = strtab_data.PeekCStr(symbol.st_name);
@@ -2419,7 +2419,7 @@
   unsigned slot_type = hdr->GetRelocationJumpSlotType();
   unsigned i;
   for (i = 0; i < num_relocations; ++i) {
-    if (rel.Parse(rel_data, &offset) == false)
+    if (!rel.Parse(rel_data, &offset))
       break;
 
     if (reloc_type(rel) != slot_type)
@@ -2552,7 +2552,7 @@
   }
 
   for (unsigned i = 0; i < num_relocations; ++i) {
-    if (rel.Parse(rel_data, &offset) == false)
+    if (!rel.Parse(rel_data, &offset))
       break;
 
     Symbol *symbol = NULL;