From: Torok Edwin <edwintorok@gmail.com>
Date: Sun, 24 May 2009 09:40:47 +0000 (+0000)
Subject: Make bugpoint emit a bugpoint-reduced-blocks.bc, because bugpoint itself
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2c235010312f72622acd4b7bb70f87cf31a982f6;p=oota-llvm.git

Make bugpoint emit a bugpoint-reduced-blocks.bc, because bugpoint itself
can crash during instruction simplification (for example if it creates a
broken module).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72362 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/bugpoint/CrashDebugger.cpp b/tools/bugpoint/CrashDebugger.cpp
index 2e43f88c711..f46fed78608 100644
--- a/tools/bugpoint/CrashDebugger.cpp
+++ b/tools/bugpoint/CrashDebugger.cpp
@@ -426,7 +426,10 @@ static bool DebugACrash(BugDriver &BD,  bool (*TestFn)(BugDriver &, Module *)) {
            E = BD.getProgram()->end(); I != E; ++I)
       for (Function::const_iterator FI = I->begin(), E = I->end(); FI !=E; ++FI)
         Blocks.push_back(FI);
+    unsigned OldSize = Blocks.size();
     ReduceCrashingBlocks(BD, TestFn).reduceList(Blocks);
+    if (Blocks.size() < OldSize)
+      BD.EmitProgressBitcode("reduced-blocks");
   }
 
   // FIXME: This should use the list reducer to converge faster by deleting