[llvm] r321878 - RegionInfo: Use report_fatal_error instead of llvm_unreachable

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Fri Jan  5 09:51:36 2018
New Revision: 321878

URL: http://llvm.org/viewvc/llvm-project?rev=321878&view=rev
Log:
RegionInfo: Use report_fatal_error instead of llvm_unreachable

Otherwise when using -verify-region-info in a release build the
error won't be emitted.

Modified:
    llvm/trunk/include/llvm/Analysis/RegionInfoImpl.h

Modified: llvm/trunk/include/llvm/Analysis/RegionInfoImpl.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/RegionInfoImpl.h?rev=321878&r1=321877&r2=321878&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/RegionInfoImpl.h (original)
+++ llvm/trunk/include/llvm/Analysis/RegionInfoImpl.h Fri Jan  5 09:51:36 2018
@@ -254,23 +254,23 @@ std::string RegionBase<Tr>::getNameStr()
 template <class Tr>
 void RegionBase<Tr>::verifyBBInRegion(BlockT *BB) const {
   if (!contains(BB))
-    llvm_unreachable("Broken region found: enumerated BB not in region!");
+    report_fatal_error("Broken region found: enumerated BB not in region!");
 
   BlockT *entry = getEntry(), *exit = getExit();
 
   for (BlockT *Succ :
        make_range(BlockTraits::child_begin(BB), BlockTraits::child_end(BB))) {
     if (!contains(Succ) && exit != Succ)
-      llvm_unreachable("Broken region found: edges leaving the region must go "
-                       "to the exit node!");
+      report_fatal_error("Broken region found: edges leaving the region must go "
+                         "to the exit node!");
   }
 
   if (entry != BB) {
     for (BlockT *Pred : make_range(InvBlockTraits::child_begin(BB),
                                    InvBlockTraits::child_end(BB))) {
       if (!contains(Pred))
-        llvm_unreachable("Broken region found: edges entering the region must "
-                         "go to the entry node!");
+        report_fatal_error("Broken region found: edges entering the region must "
+                           "go to the entry node!");
     }
   }
 }
@@ -557,7 +557,7 @@ void RegionInfoBase<Tr>::verifyBBMap(con
     } else {
       BlockT *BB = Element->template getNodeAs<BlockT>();
       if (getRegionFor(BB) != R)
-        llvm_unreachable("BB map does not match region nesting");
+        report_fatal_error("BB map does not match region nesting");
     }
   }
 }