Replace 'ap' with 'up' suffix in variable names. (NFC)

The `ap` suffix is a remnant of lldb's former use of auto pointers,
before they got deprecated. Although all their uses were replaced by
unique pointers, some variables still carried the suffix.

In r353795 I removed another auto_ptr remnant, namely redundant calls to
::get for unique_pointers. Jim justly noted that this is a good
opportunity to clean up the variable names as well.

I went over all the changes to ensure my find-and-replace didn't have
any undesired side-effects. I hope I didn't miss any, but if you end up
at this commit doing a git blame on a weirdly named variable, please
know that the change was unintentional.

llvm-svn: 353912
diff --git a/lldb/source/Plugins/Process/Utility/HistoryThread.cpp b/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
index a2b71b5..23f6077 100644
--- a/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
+++ b/lldb/source/Plugins/Process/Utility/HistoryThread.cpp
@@ -32,7 +32,7 @@
       m_extended_unwind_token(LLDB_INVALID_ADDRESS), m_queue_name(),
       m_thread_name(), m_originating_unique_thread_id(tid),
       m_queue_id(LLDB_INVALID_QUEUE_ID) {
-  m_unwinder_ap.reset(new HistoryUnwind(*this, pcs, stop_id_is_valid));
+  m_unwinder_up.reset(new HistoryUnwind(*this, pcs, stop_id_is_valid));
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_OBJECT));
   if (log)
     log->Printf("%p HistoryThread::HistoryThread", static_cast<void *>(this));
@@ -59,7 +59,7 @@
 
 lldb::RegisterContextSP
 HistoryThread::CreateRegisterContextForFrame(StackFrame *frame) {
-  return m_unwinder_ap->CreateRegisterContextForFrame(frame);
+  return m_unwinder_up->CreateRegisterContextForFrame(frame);
 }
 
 lldb::StackFrameListSP HistoryThread::GetStackFrameList() {
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
index 3c9efab..7366130 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.cpp
@@ -86,7 +86,7 @@
     lldb_private::Thread &thread, uint32_t concrete_frame_idx,
     lldb_private::RegisterInfoInterface *register_info)
     : lldb_private::RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 
   switch (register_info->m_target_arch.GetMachine()) {
   case llvm::Triple::arm:
@@ -131,14 +131,14 @@
 }
 
 size_t RegisterContextPOSIX_arm::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 const lldb_private::RegisterInfo *RegisterContextPOSIX_arm::GetRegisterInfo() {
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const lldb_private::RegisterInfo *
@@ -162,7 +162,7 @@
 const lldb_private::RegisterSet *
 RegisterContextPOSIX_arm::GetRegisterSet(size_t set) {
   if (IsRegisterSetAvailable(set)) {
-    switch (m_register_info_ap->m_target_arch.GetMachine()) {
+    switch (m_register_info_up->m_target_arch.GetMachine()) {
     case llvm::Triple::arm:
       return &g_reg_sets_arm[set];
     default:
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.h
index 70409ef..603ba76 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm.h
@@ -83,7 +83,7 @@
   struct RegisterContextPOSIX_arm::FPU
       m_fpr; // floating-point registers including extended register sets.
   std::unique_ptr<lldb_private::RegisterInfoInterface>
-      m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
+      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
index 586cb70..5fb9f1f 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.cpp
@@ -105,7 +105,7 @@
     lldb_private::Thread &thread, uint32_t concrete_frame_idx,
     lldb_private::RegisterInfoInterface *register_info)
     : lldb_private::RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 
   switch (register_info->m_target_arch.GetMachine()) {
   case llvm::Triple::aarch64:
@@ -150,7 +150,7 @@
 }
 
 size_t RegisterContextPOSIX_arm64::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 const lldb_private::RegisterInfo *
@@ -158,7 +158,7 @@
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const lldb_private::RegisterInfo *
@@ -182,7 +182,7 @@
 const lldb_private::RegisterSet *
 RegisterContextPOSIX_arm64::GetRegisterSet(size_t set) {
   if (IsRegisterSetAvailable(set)) {
-    switch (m_register_info_ap->m_target_arch.GetMachine()) {
+    switch (m_register_info_up->m_target_arch.GetMachine()) {
     case llvm::Triple::aarch64:
       return &g_reg_sets_arm64[set];
     default:
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.h
index b8d967e..49a49b6 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_arm64.h
@@ -83,7 +83,7 @@
   struct RegisterContextPOSIX_arm64::FPU
       m_fpr; // floating-point registers including extended register sets.
   std::unique_ptr<lldb_private::RegisterInfoInterface>
-      m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
+      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
index 84d8986..cedbcd4 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.cpp
@@ -44,7 +44,7 @@
     Thread &thread, uint32_t concrete_frame_idx,
     RegisterInfoInterface *register_info)
     : RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
   m_num_registers = GetRegisterCount();
   int set = GetRegisterSetCount();
 
@@ -77,18 +77,18 @@
 }
 
 size_t RegisterContextPOSIX_mips64::GetRegisterCount() {
-  return m_register_info_ap->GetRegisterCount();
+  return m_register_info_up->GetRegisterCount();
 }
 
 size_t RegisterContextPOSIX_mips64::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 const RegisterInfo *RegisterContextPOSIX_mips64::GetRegisterInfo() {
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const RegisterInfo *
@@ -100,22 +100,22 @@
 }
 
 size_t RegisterContextPOSIX_mips64::GetRegisterSetCount() {
-  ArchSpec target_arch = m_register_info_ap->GetTargetArchitecture();
+  ArchSpec target_arch = m_register_info_up->GetTargetArchitecture();
   switch (target_arch.GetTriple().getOS()) {
   case llvm::Triple::Linux: {
     if ((target_arch.GetMachine() == llvm::Triple::mipsel) ||
          (target_arch.GetMachine() == llvm::Triple::mips)) {
-      const auto *context = static_cast<const RegisterContextLinux_mips *>
-                                        (m_register_info_ap.get());
+      const auto *context = static_cast<const RegisterContextLinux_mips *>(
+          m_register_info_up.get());
       return context->GetRegisterSetCount();
     }
-    const auto *context = static_cast<const RegisterContextLinux_mips64 *>
-                                      (m_register_info_ap.get());
+    const auto *context = static_cast<const RegisterContextLinux_mips64 *>(
+        m_register_info_up.get());
     return context->GetRegisterSetCount();
   }
   default: {
-    const auto *context = static_cast<const RegisterContextFreeBSD_mips64 *>
-                                      (m_register_info_ap.get());
+    const auto *context = static_cast<const RegisterContextFreeBSD_mips64 *>(
+        m_register_info_up.get());
     return context->GetRegisterSetCount();
   }
                        
@@ -123,22 +123,22 @@
 }
 
 const RegisterSet *RegisterContextPOSIX_mips64::GetRegisterSet(size_t set) {
-  ArchSpec target_arch = m_register_info_ap->GetTargetArchitecture();
+  ArchSpec target_arch = m_register_info_up->GetTargetArchitecture();
   switch (target_arch.GetTriple().getOS()) {
   case llvm::Triple::Linux: {
     if ((target_arch.GetMachine() == llvm::Triple::mipsel) ||
          (target_arch.GetMachine() == llvm::Triple::mips)) {
-      const auto *context = static_cast<const RegisterContextLinux_mips *>
-                                        (m_register_info_ap.get());
+      const auto *context = static_cast<const RegisterContextLinux_mips *>(
+          m_register_info_up.get());
       return context->GetRegisterSet(set);
     }
-    const auto *context = static_cast<const RegisterContextLinux_mips64 *>
-                                      (m_register_info_ap.get());
+    const auto *context = static_cast<const RegisterContextLinux_mips64 *>(
+        m_register_info_up.get());
     return context->GetRegisterSet(set);
   }
   default: {
-    const auto *context = static_cast<const RegisterContextFreeBSD_mips64 *>
-                                       (m_register_info_ap.get());
+    const auto *context = static_cast<const RegisterContextFreeBSD_mips64 *>(
+        m_register_info_up.get());
     return context->GetRegisterSet(set);
   }
   }
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.h
index 087ba92..c507e14 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_mips64.h
@@ -61,7 +61,7 @@
   uint32_t m_num_registers;
   uint8_t m_registers_count[register_set_count];
   std::unique_ptr<lldb_private::RegisterInfoInterface>
-      m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
+      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
index b651850..9698b2d 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.cpp
@@ -93,7 +93,7 @@
     Thread &thread, uint32_t concrete_frame_idx,
     RegisterInfoInterface *register_info)
     : RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 }
 
 RegisterContextPOSIX_powerpc::~RegisterContextPOSIX_powerpc() {}
@@ -118,14 +118,14 @@
 }
 
 size_t RegisterContextPOSIX_powerpc::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 const RegisterInfo *RegisterContextPOSIX_powerpc::GetRegisterInfo() {
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const RegisterInfo *
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.h
index dc8c08f..dbb3e6f 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_powerpc.h
@@ -177,7 +177,7 @@
       m_fpr_powerpc[k_num_fpr_registers_powerpc]; // floating point registers.
   uint32_t m_vmx_powerpc[k_num_vmx_registers_powerpc][4];
   std::unique_ptr<lldb_private::RegisterInfoInterface>
-      m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
+      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
index d6d46f4..2b38079 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.cpp
@@ -115,7 +115,7 @@
     Thread &thread, uint32_t concrete_frame_idx,
     RegisterInfoInterface *register_info)
     : RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 }
 
 void RegisterContextPOSIX_ppc64le::InvalidateAllRegisters() {}
@@ -136,14 +136,14 @@
 }
 
 size_t RegisterContextPOSIX_ppc64le::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 const RegisterInfo *RegisterContextPOSIX_ppc64le::GetRegisterInfo() {
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const RegisterInfo *
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.h
index 0640535..3707977 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_ppc64le.h
@@ -55,7 +55,7 @@
   // VSX registers.
   uint64_t m_vsx_ppc64le[k_num_vsx_registers_ppc64le * 2];
 
-  std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap;
+  std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_up;
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
index 5dbf6bf..2301c82 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.cpp
@@ -81,7 +81,7 @@
     Thread &thread, uint32_t concrete_frame_idx,
     RegisterInfoInterface *register_info)
     : RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 
   switch (register_info->m_target_arch.GetMachine()) {
   case llvm::Triple::systemz:
@@ -105,7 +105,7 @@
 void RegisterContextPOSIX_s390x::InvalidateAllRegisters() {}
 
 const RegisterInfo *RegisterContextPOSIX_s390x::GetRegisterInfo() {
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const RegisterInfo *
@@ -151,7 +151,7 @@
 
 const RegisterSet *RegisterContextPOSIX_s390x::GetRegisterSet(size_t set) {
   if (IsRegisterSetAvailable(set)) {
-    switch (m_register_info_ap->m_target_arch.GetMachine()) {
+    switch (m_register_info_up->m_target_arch.GetMachine()) {
     case llvm::Triple::systemz:
       return &g_reg_sets_s390x[set];
     default:
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h
index 54191e8..54993ce 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_s390x.h
@@ -58,7 +58,7 @@
   };
 
   RegInfo m_reg_info;
-  std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_ap;
+  std::unique_ptr<lldb_private::RegisterInfoInterface> m_register_info_up;
 
   virtual bool IsRegisterSetAvailable(size_t set_index);
 
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
index 43c6973..ee44764 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
@@ -318,7 +318,7 @@
     Thread &thread, uint32_t concrete_frame_idx,
     RegisterInfoInterface *register_info)
     : RegisterContext(thread, concrete_frame_idx) {
-  m_register_info_ap.reset(register_info);
+  m_register_info_up.reset(register_info);
 
   switch (register_info->m_target_arch.GetMachine()) {
   case llvm::Triple::x86:
@@ -404,7 +404,7 @@
 }
 
 size_t RegisterContextPOSIX_x86::GetGPRSize() {
-  return m_register_info_ap->GetGPRSize();
+  return m_register_info_up->GetGPRSize();
 }
 
 size_t RegisterContextPOSIX_x86::GetFXSAVEOffset() {
@@ -415,7 +415,7 @@
   // Commonly, this method is overridden and g_register_infos is copied and
   // specialized. So, use GetRegisterInfo() rather than g_register_infos in
   // this scope.
-  return m_register_info_ap->GetRegisterInfo();
+  return m_register_info_up->GetRegisterInfo();
 }
 
 const RegisterInfo *
@@ -438,7 +438,7 @@
 
 const RegisterSet *RegisterContextPOSIX_x86::GetRegisterSet(size_t set) {
   if (IsRegisterSetAvailable(set)) {
-    switch (m_register_info_ap->m_target_arch.GetMachine()) {
+    switch (m_register_info_up->m_target_arch.GetMachine()) {
     case llvm::Triple::x86:
       return &g_reg_sets_i386[set];
     case llvm::Triple::x86_64:
diff --git a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h
index 8291d65..1642d52 100644
--- a/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h
+++ b/lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.h
@@ -148,7 +148,7 @@
                                // register sets.
   lldb_private::YMM m_ymm_set; // copy of ymmh and xmm register halves.
   std::unique_ptr<lldb_private::RegisterInfoInterface>
-      m_register_info_ap; // Register Info Interface (FreeBSD or Linux)
+      m_register_info_up; // Register Info Interface (FreeBSD or Linux)
 
   // Determines if an extended register set is supported on the processor
   // running the inferior process.