Clang-format and whitespace cleanup of source code

This patch contains the clang-format and cleanup of the entire code base. Some
of clang-formats changes made the code look worse in places. A best effort was
made to resolve the bulk of these problems, but many remain. Most of the
problems were mangling line-breaks and tabbing of comments.

Patch by Terry Wilmarth

Differential Revision: https://reviews.llvm.org/D32659

llvm-svn: 302929
diff --git a/openmp/runtime/src/kmp_itt.cpp b/openmp/runtime/src/kmp_itt.cpp
index 56d7e67..dec5990 100644
--- a/openmp/runtime/src/kmp_itt.cpp
+++ b/openmp/runtime/src/kmp_itt.cpp
@@ -19,145 +19,133 @@
 #include "kmp_itt.h"
 
 #if KMP_DEBUG
-    #include "kmp_itt.inl"
+#include "kmp_itt.inl"
 #endif
 
-
 #if USE_ITT_NOTIFY
 
-    kmp_int32 __kmp_barrier_domain_count;
-    kmp_int32 __kmp_region_domain_count;
-    __itt_domain* __kmp_itt_barrier_domains[KMP_MAX_FRAME_DOMAINS];
-    __itt_domain* __kmp_itt_region_domains[KMP_MAX_FRAME_DOMAINS];
-    __itt_domain* __kmp_itt_imbalance_domains[KMP_MAX_FRAME_DOMAINS];
-    kmp_int32 __kmp_itt_region_team_size[KMP_MAX_FRAME_DOMAINS];
-    __itt_domain * metadata_domain = NULL;
-    __itt_string_handle * string_handle_imbl = NULL;
-    __itt_string_handle * string_handle_loop = NULL;
-    __itt_string_handle * string_handle_sngl = NULL;
+kmp_int32 __kmp_barrier_domain_count;
+kmp_int32 __kmp_region_domain_count;
+__itt_domain *__kmp_itt_barrier_domains[KMP_MAX_FRAME_DOMAINS];
+__itt_domain *__kmp_itt_region_domains[KMP_MAX_FRAME_DOMAINS];
+__itt_domain *__kmp_itt_imbalance_domains[KMP_MAX_FRAME_DOMAINS];
+kmp_int32 __kmp_itt_region_team_size[KMP_MAX_FRAME_DOMAINS];
+__itt_domain *metadata_domain = NULL;
+__itt_string_handle *string_handle_imbl = NULL;
+__itt_string_handle *string_handle_loop = NULL;
+__itt_string_handle *string_handle_sngl = NULL;
 
-    #include "kmp_version.h"
-    #include "kmp_i18n.h"
-    #include "kmp_str.h"
+#include "kmp_i18n.h"
+#include "kmp_str.h"
+#include "kmp_version.h"
 
-    KMP_BUILD_ASSERT( sizeof( kmp_itt_mark_t ) == sizeof( __itt_mark_type ) );
+KMP_BUILD_ASSERT(sizeof(kmp_itt_mark_t) == sizeof(__itt_mark_type));
 
-    /*
-        Previously used warnings:
+/* Previously used warnings:
 
-        KMP_WARNING( IttAllNotifDisabled );
-        KMP_WARNING( IttObjNotifDisabled );
-        KMP_WARNING( IttMarkNotifDisabled );
-        KMP_WARNING( IttUnloadLibFailed, libittnotify );
-    */
+   KMP_WARNING( IttAllNotifDisabled );
+   KMP_WARNING( IttObjNotifDisabled );
+   KMP_WARNING( IttMarkNotifDisabled );
+   KMP_WARNING( IttUnloadLibFailed, libittnotify );
+*/
 
-
-    kmp_int32 __kmp_itt_prepare_delay = 0;
-    kmp_bootstrap_lock_t __kmp_itt_debug_lock = KMP_BOOTSTRAP_LOCK_INITIALIZER( __kmp_itt_debug_lock );
+kmp_int32 __kmp_itt_prepare_delay = 0;
+kmp_bootstrap_lock_t __kmp_itt_debug_lock =
+    KMP_BOOTSTRAP_LOCK_INITIALIZER(__kmp_itt_debug_lock);
 
 #endif // USE_ITT_NOTIFY
 
 void __kmp_itt_initialize() {
 
-    // ITTNotify library is loaded and initialized at first call to any ittnotify function,
-    // so we do not need to explicitly load it any more.
-    // Jusr report OMP RTL version to ITTNotify.
+// ITTNotify library is loaded and initialized at first call to any ittnotify
+// function, so we do not need to explicitly load it any more. Just report OMP
+// RTL version to ITTNotify.
 
-    #if USE_ITT_NOTIFY
-        // Report OpenMP RTL version.
-        kmp_str_buf_t       buf;
-        __itt_mark_type     version;
-        __kmp_str_buf_init( & buf );
-        __kmp_str_buf_print(
-            & buf,
-            "OMP RTL Version %d.%d.%d",
-            __kmp_version_major,
-            __kmp_version_minor,
-            __kmp_version_build
-        );
-        if ( __itt_api_version_ptr != NULL ) {
-            __kmp_str_buf_print( & buf, ":%s", __itt_api_version() );
-        }; // if
-        version = __itt_mark_create( buf.str );
-        __itt_mark( version, NULL );
-        __kmp_str_buf_free( & buf );
-    #endif
+#if USE_ITT_NOTIFY
+  // Report OpenMP RTL version.
+  kmp_str_buf_t buf;
+  __itt_mark_type version;
+  __kmp_str_buf_init(&buf);
+  __kmp_str_buf_print(&buf, "OMP RTL Version %d.%d.%d", __kmp_version_major,
+                      __kmp_version_minor, __kmp_version_build);
+  if (__itt_api_version_ptr != NULL) {
+    __kmp_str_buf_print(&buf, ":%s", __itt_api_version());
+  }; // if
+  version = __itt_mark_create(buf.str);
+  __itt_mark(version, NULL);
+  __kmp_str_buf_free(&buf);
+#endif
 
 } // __kmp_itt_initialize
 
-
 void __kmp_itt_destroy() {
-    #if USE_ITT_NOTIFY
-        __kmp_itt_fini_ittlib();
-    #endif
+#if USE_ITT_NOTIFY
+  __kmp_itt_fini_ittlib();
+#endif
 } // __kmp_itt_destroy
 
+extern "C" void __itt_error_handler(__itt_error_code err, va_list args) {
 
-extern "C"
-void
-__itt_error_handler(
-    __itt_error_code err,
-    va_list args
-) {
-
-    switch ( err ) {
-        case __itt_error_no_module : {
-            char const * library = va_arg( args, char const * );
+  switch (err) {
+  case __itt_error_no_module: {
+    char const *library = va_arg(args, char const *);
 #if KMP_OS_WINDOWS
-            int sys_err = va_arg( args, int );
-            kmp_msg_t err_code = KMP_SYSERRCODE( sys_err );
-            __kmp_msg( kmp_ms_warning, KMP_MSG( IttLoadLibFailed, library ), err_code, __kmp_msg_null );
-            if (__kmp_generate_warnings == kmp_warnings_off) {
-              __kmp_str_free(&err_code.str);
-            }
+    int sys_err = va_arg(args, int);
+    kmp_msg_t err_code = KMP_SYSERRCODE(sys_err);
+    __kmp_msg(kmp_ms_warning, KMP_MSG(IttLoadLibFailed, library), err_code,
+              __kmp_msg_null);
+    if (__kmp_generate_warnings == kmp_warnings_off) {
+      __kmp_str_free(&err_code.str);
+    }
 #else
-            char const * sys_err = va_arg( args, char const * );
-            kmp_msg_t err_code = KMP_SYSERRMESG( sys_err );
-            __kmp_msg( kmp_ms_warning, KMP_MSG( IttLoadLibFailed, library ), err_code, __kmp_msg_null );
-            if (__kmp_generate_warnings == kmp_warnings_off) {
-              __kmp_str_free(&err_code.str);
-            }
+    char const *sys_err = va_arg(args, char const *);
+    kmp_msg_t err_code = KMP_SYSERRMESG(sys_err);
+    __kmp_msg(kmp_ms_warning, KMP_MSG(IttLoadLibFailed, library), err_code,
+              __kmp_msg_null);
+    if (__kmp_generate_warnings == kmp_warnings_off) {
+      __kmp_str_free(&err_code.str);
+    }
 #endif
-        } break;
-        case __itt_error_no_symbol : {
-            char const * library = va_arg( args, char const * );
-            char const * symbol  = va_arg( args, char const * );
-            KMP_WARNING( IttLookupFailed, symbol, library );
-        } break;
-        case __itt_error_unknown_group : {
-            char const * var   = va_arg( args, char const * );
-            char const * group = va_arg( args, char const * );
-            KMP_WARNING( IttUnknownGroup, var, group );
-        } break;
-        case __itt_error_env_too_long : {
-            char const * var     = va_arg( args, char const * );
-            size_t       act_len = va_arg( args, size_t );
-            size_t       max_len = va_arg( args, size_t );
-            KMP_WARNING( IttEnvVarTooLong, var, (unsigned long) act_len, (unsigned long) max_len );
-        } break;
-        case __itt_error_cant_read_env : {
-            char const * var     = va_arg( args, char const * );
-            int          sys_err = va_arg( args, int );
-            kmp_msg_t err_code = KMP_ERR( sys_err );
-            __kmp_msg( kmp_ms_warning, KMP_MSG( CantGetEnvVar, var ), err_code, __kmp_msg_null );
-            if (__kmp_generate_warnings == kmp_warnings_off) {
-              __kmp_str_free(&err_code.str);
-            }
-        } break;
-        case __itt_error_system : {
-            char const * func    = va_arg( args, char const * );
-            int          sys_err = va_arg( args, int );
-            kmp_msg_t err_code = KMP_SYSERRCODE( sys_err );
-            __kmp_msg( kmp_ms_warning, KMP_MSG( IttFunctionError, func ), err_code, __kmp_msg_null );
-            if (__kmp_generate_warnings == kmp_warnings_off) {
-              __kmp_str_free(&err_code.str);
-            }
-        } break;
-        default : {
-            KMP_WARNING( IttUnknownError, err );
-        };
-    }; // switch
-
+  } break;
+  case __itt_error_no_symbol: {
+    char const *library = va_arg(args, char const *);
+    char const *symbol = va_arg(args, char const *);
+    KMP_WARNING(IttLookupFailed, symbol, library);
+  } break;
+  case __itt_error_unknown_group: {
+    char const *var = va_arg(args, char const *);
+    char const *group = va_arg(args, char const *);
+    KMP_WARNING(IttUnknownGroup, var, group);
+  } break;
+  case __itt_error_env_too_long: {
+    char const *var = va_arg(args, char const *);
+    size_t act_len = va_arg(args, size_t);
+    size_t max_len = va_arg(args, size_t);
+    KMP_WARNING(IttEnvVarTooLong, var, (unsigned long)act_len,
+                (unsigned long)max_len);
+  } break;
+  case __itt_error_cant_read_env: {
+    char const *var = va_arg(args, char const *);
+    int sys_err = va_arg(args, int);
+    kmp_msg_t err_code = KMP_ERR(sys_err);
+    __kmp_msg(kmp_ms_warning, KMP_MSG(CantGetEnvVar, var), err_code,
+              __kmp_msg_null);
+    if (__kmp_generate_warnings == kmp_warnings_off) {
+      __kmp_str_free(&err_code.str);
+    }
+  } break;
+  case __itt_error_system: {
+    char const *func = va_arg(args, char const *);
+    int sys_err = va_arg(args, int);
+    kmp_msg_t err_code = KMP_SYSERRCODE(sys_err);
+    __kmp_msg(kmp_ms_warning, KMP_MSG(IttFunctionError, func), err_code,
+              __kmp_msg_null);
+    if (__kmp_generate_warnings == kmp_warnings_off) {
+      __kmp_str_free(&err_code.str);
+    }
+  } break;
+  default: { KMP_WARNING(IttUnknownError, err); };
+  }; // switch
 } // __itt_error_handler
 
 #endif /* USE_ITT_BUILD */