[libunwind] r271737 - [libunwind] Remove unused code.

[Asiri Rathnayake via cfe-commits]

Author: asiri
Date: Fri Jun  3 15:57:48 2016
New Revision: 271737

URL: http://llvm.org/viewvc/llvm-project?rev=271737&view=rev
Log:
[libunwind] Remove unused code.

The whole file is guarded with #if _LIBUNWIND_ARM_EHABI, and then in the
middle we have these two blocks, which render them pretty unused. An
artefact of a refactoring it seems.

NFC.

Modified:
    libunwind/trunk/src/Unwind-EHABI.cpp

Modified: libunwind/trunk/src/Unwind-EHABI.cpp
URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/Unwind-EHABI.cpp?rev=271737&r1=271736&r2=271737&view=diff
==============================================================================
--- libunwind/trunk/src/Unwind-EHABI.cpp (original)
+++ libunwind/trunk/src/Unwind-EHABI.cpp Fri Jun  3 15:57:48 2016
@@ -450,23 +450,6 @@ unwind_phase1(unw_context_t *uc, unw_cur
   // Walk each frame looking for a place to stop.
   for (bool handlerNotFound = true; handlerNotFound;) {
 
-#if !_LIBUNWIND_ARM_EHABI
-    // Ask libuwind to get next frame (skip over first which is
-    // _Unwind_RaiseException).
-    int stepResult = unw_step(cursor);
-    if (stepResult == 0) {
-      _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step() reached "
-                                 "bottom => _URC_END_OF_STACK\n",
-                                 static_cast<void *>(exception_object));
-      return _URC_END_OF_STACK;
-    } else if (stepResult < 0) {
-      _LIBUNWIND_TRACE_UNWINDING("unwind_phase1(ex_ojb=%p): unw_step failed => "
-                                 "_URC_FATAL_PHASE1_ERROR\n",
-                                 static_cast<void *>(exception_object));
-      return _URC_FATAL_PHASE1_ERROR;
-    }
-#endif
-
     // See if frame has code to run (has personality routine).
     unw_proc_info_t frameInfo;
     if (unw_get_proc_info(cursor, &frameInfo) != UNW_ESUCCESS) {
@@ -583,21 +566,6 @@ static _Unwind_Reason_Code unwind_phase2
       resume = false;
     }
 
-#if !_LIBUNWIND_ARM_EHABI
-    int stepResult = unw_step(cursor);
-    if (stepResult == 0) {
-      _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step() reached "
-                                 "bottom => _URC_END_OF_STACK\n",
-                                 static_cast<void *>(exception_object));
-      return _URC_END_OF_STACK;
-    } else if (stepResult < 0) {
-      _LIBUNWIND_TRACE_UNWINDING("unwind_phase2(ex_ojb=%p): unw_step failed => "
-                                 "_URC_FATAL_PHASE1_ERROR\n",
-                                 static_cast<void *>(exception_object));
-      return _URC_FATAL_PHASE2_ERROR;
-    }
-#endif
-
     // Get info about this frame.
     unw_word_t sp;
     unw_proc_info_t frameInfo;