Combine allocas

src/IceTLS.h

 //===- subzero/src/IceTLS.h - thread_local workaround -----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
 /// This file defines macros for working around the lack of support for
 /// thread_local in MacOS 10.6. It assumes std::thread is written in terms of
 /// pthread. Define ICE_THREAD_LOCAL_HACK to enable the pthread workarounds.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICETLS_H
 #define SUBZERO_SRC_ICETLS_H
 
-
 ///
 /// @defgroup /IceTLS Defines 5 macros for unifying thread_local and pthread:
 /// @{
 ///
 /// \def ICE_TLS_DECLARE_FIELD(Type, FieldName)
 /// Declare a static thread_local field inside the current class definition.
 /// "Type" needs to be a pointer type, such as int* or class Foo*.
 ///
 /// \def ICE_TLS_DEFINE_FIELD(Type, ClassName, FieldName)
 /// Define a static thread_local field outside of its class definition. The
@@ skipping 58 matching lines @@
    pthread_setspecific(FieldName##__key, (Value)))
 
 #else // !ICE_THREAD_LOCAL_HACK
 
 #if defined(_MSC_VER)
 #define ICE_ATTRIBUTE_TLS __declspec(thread)
 #else // !_MSC_VER
 #define ICE_ATTRIBUTE_TLS thread_local
 #endif // !_MSC_VER
 
-
 #define ICE_TLS_DECLARE_FIELD(Type, FieldName)                                 \
   static ICE_ATTRIBUTE_TLS Type FieldName
 #define ICE_TLS_DEFINE_FIELD(Type, ClassName, FieldName)                       \
   ICE_ATTRIBUTE_TLS Type ClassName::FieldName = nullptr
 #define ICE_TLS_INIT_FIELD(FieldName)
 #define ICE_TLS_GET_FIELD(FieldName) (FieldName)
 #define ICE_TLS_SET_FIELD(FieldName, Value) (FieldName = (Value))
 
 #endif // !ICE_THREAD_LOCAL_HACK
 
 ///
 /// @}
 ///
 
 #endif // SUBZERO_SRC_ICETLS_H