4 files changed, 101 insertions, 0 deletions
diff --git a/contrib/llvm/tools/bugpoint-passes/CMakeLists.txt b/contrib/llvm/tools/bugpoint-passes/CMakeLists.txt
new file mode 100644
index 0000000..50109a5
--- /dev/null
+++ b/contrib/llvm/tools/bugpoint-passes/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_llvm_loadable_module( BugpointPasses
+  TestPasses.cpp
+  )
diff --git a/contrib/llvm/tools/bugpoint-passes/Makefile b/contrib/llvm/tools/bugpoint-passes/Makefile
new file mode 100644
index 0000000..b4ad3e4
--- /dev/null
+++ b/contrib/llvm/tools/bugpoint-passes/Makefile
@@ -0,0 +1,23 @@
+##===- tools/bugpoint-passes/Makefile -- -------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+LIBRARYNAME = BugpointPasses
+LOADABLE_MODULE = 1
+USEDLIBS =
+
+# If we don't need RTTI or EH, there's no reason to export anything
+# from this plugin.
+ifneq ($(REQUIRES_RTTI), 1)
+ifneq ($(REQUIRES_EH), 1)
+EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/bugpoint.exports
+endif
+endif
+
+include $(LEVEL)/Makefile.common
diff --git a/contrib/llvm/tools/bugpoint-passes/TestPasses.cpp b/contrib/llvm/tools/bugpoint-passes/TestPasses.cpp
new file mode 100644
index 0000000..1535b03
--- /dev/null
+++ b/contrib/llvm/tools/bugpoint-passes/TestPasses.cpp
@@ -0,0 +1,75 @@
+//===- TestPasses.cpp - "buggy" passes used to test bugpoint --------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains "buggy" passes that are used to test bugpoint, to check
+// that it is narrowing down testcases correctly.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/BasicBlock.h"
+#include "llvm/Constant.h"
+#include "llvm/Instructions.h"
+#include "llvm/Pass.h"
+#include "llvm/Type.h"
+#include "llvm/Support/InstVisitor.h"
+
+using namespace llvm;
+
+namespace {
+  /// CrashOnCalls - This pass is used to test bugpoint.  It intentionally
+  /// crashes on any call instructions.
+  class CrashOnCalls : public BasicBlockPass {
+  public:
+    static char ID; // Pass ID, replacement for typeid
+    CrashOnCalls() : BasicBlockPass(ID) {}
+  private:
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+    }
+
+    bool runOnBasicBlock(BasicBlock &BB) {
+      for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
+        if (isa<CallInst>(*I))
+          abort();
+
+      return false;
+    }
+  };
+}
+
+char CrashOnCalls::ID = 0;
+static RegisterPass<CrashOnCalls>
+  X("bugpoint-crashcalls",
+    "BugPoint Test Pass - Intentionally crash on CallInsts");
+
+namespace {
+  /// DeleteCalls - This pass is used to test bugpoint.  It intentionally
+  /// deletes some call instructions, "misoptimizing" the program.
+  class DeleteCalls : public BasicBlockPass {
+  public:
+    static char ID; // Pass ID, replacement for typeid
+    DeleteCalls() : BasicBlockPass(ID) {}
+  private:
+    bool runOnBasicBlock(BasicBlock &BB) {
+      for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
+        if (CallInst *CI = dyn_cast<CallInst>(I)) {
+          if (!CI->use_empty())
+            CI->replaceAllUsesWith(Constant::getNullValue(CI->getType()));
+          CI->getParent()->getInstList().erase(CI);
+          break;
+        }
+      return false;
+    }
+  };
+}
+ 
+char DeleteCalls::ID = 0;
+static RegisterPass<DeleteCalls>
+  Y("bugpoint-deletecalls",
+    "BugPoint Test Pass - Intentionally 'misoptimize' CallInsts");
diff --git a/contrib/llvm/tools/bugpoint-passes/bugpoint.exports b/contrib/llvm/tools/bugpoint-passes/bugpoint.exports
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/contrib/llvm/tools/bugpoint-passes/bugpoint.exports