Update aosp/master LLVM for rebase to r256229

[android-x86/external-llvm.git] / tools / bugpoint-passes / TestPasses.cpp

diff --git a/tools/bugpoint-passes/TestPasses.cpp b/tools/bugpoint-passes/TestPasses.cpp
index 118c98a..c1eb0fb 100644 (file)
--- a/tools/bugpoint-passes/TestPasses.cpp
+++ b/tools/bugpoint-passes/TestPasses.cpp
@@ -14,9 +14,9 @@
 
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constant.h"
+#include "llvm/IR/InstVisitor.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Type.h"
-#include "llvm/InstVisitor.h"
 #include "llvm/Pass.h"
 
 using namespace llvm;
@@ -29,11 +29,11 @@ namespace {
     static char ID; // Pass ID, replacement for typeid
     CrashOnCalls() : BasicBlockPass(ID) {}
   private:
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.setPreservesAll();
     }
 
-    bool runOnBasicBlock(BasicBlock &BB) {
+    bool runOnBasicBlock(BasicBlock &BB) override {
       for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
         if (isa<CallInst>(*I))
           abort();
@@ -56,7 +56,7 @@ namespace {
     static char ID; // Pass ID, replacement for typeid
     DeleteCalls() : BasicBlockPass(ID) {}
   private:
-    bool runOnBasicBlock(BasicBlock &BB) {
+    bool runOnBasicBlock(BasicBlock &BB) override {
       for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I)
         if (CallInst *CI = dyn_cast<CallInst>(I)) {
           if (!CI->use_empty())
@@ -68,8 +68,59 @@ namespace {
     }
   };
 }
- 
+
 char DeleteCalls::ID = 0;
 static RegisterPass<DeleteCalls>
   Y("bugpoint-deletecalls",
     "BugPoint Test Pass - Intentionally 'misoptimize' CallInsts");
+
+namespace {
+  /// CrashOnDeclFunc - This pass is used to test bugpoint.  It intentionally
+/// crashes if the module has an undefined function (ie a function that is
+/// defined in an external module).
+class CrashOnDeclFunc : public ModulePass {
+public:
+  static char ID; // Pass ID, replacement for typeid
+  CrashOnDeclFunc() : ModulePass(ID) {}
+
+private:
+  bool runOnModule(Module &M) override {
+    for (auto &F : M.functions()) {
+      if (F.isDeclaration())
+        abort();
+    }
+    return false;
+  }
+  };
+}
+
+char CrashOnDeclFunc::ID = 0;
+static RegisterPass<CrashOnDeclFunc>
+  Z("bugpoint-crash-decl-funcs",
+    "BugPoint Test Pass - Intentionally crash on declared functions");
+
+#include <iostream>
+namespace {
+/// CrashOnOneCU - This pass is used to test bugpoint. It intentionally
+/// crashes if the Module has two or more compile units
+class CrashOnTooManyCUs : public ModulePass {
+public:
+  static char ID;
+  CrashOnTooManyCUs() : ModulePass(ID) {}
+
+private:
+  bool runOnModule(Module &M) override {
+    NamedMDNode *CU_Nodes = M.getNamedMetadata("llvm.dbg.cu");
+    if (!CU_Nodes)
+      return false;
+    if (CU_Nodes->getNumOperands() >= 2)
+      abort();
+    return false;
+  }
+};
+}
+
+char CrashOnTooManyCUs::ID = 0;
+static RegisterPass<CrashOnTooManyCUs>
+    A("bugpoint-crash-too-many-cus",
+      "BugPoint Test Pass - Intentionally crash on too many CUs");