[PM] Port CrossDSOCFI to the new pass manager.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274962 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/IPO/CrossDSOCFI.h

@@ -0,0 +1,28 @@
+//===-- CrossDSOCFI.cpp - Externalize this module's CFI checks --*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This pass exports all llvm.bitset's found in the module in the form of a
+// __cfi_check function, which can be used to verify cross-DSO call targets.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_IPO_CROSSDSOCFI_H
+#define LLVM_TRANSFORMS_IPO_CROSSDSOCFI_H
+
+#include "llvm/IR/Module.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+class CrossDSOCFIPass : public PassInfoMixin<CrossDSOCFIPass> {
+public:
+  PreservedAnalyses run(Module &M, AnalysisManager<Module> &AM);
+};
+}
+#endif // LLVM_TRANSFORMS_IPO_CROSSDSOCFI_H
+

lib/Passes/PassBuilder.cpp

@@ -57,6 +57,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Transforms/GCOVProfiler.h"
 #include "llvm/Transforms/IPO/ConstantMerge.h"
+#include "llvm/Transforms/IPO/CrossDSOCFI.h"
 #include "llvm/Transforms/IPO/DeadArgumentElimination.h"
 #include "llvm/Transforms/IPO/ElimAvailExtern.h"
 #include "llvm/Transforms/IPO/ForceFunctionAttrs.h"

lib/Passes/PassRegistry.def

@@ -38,6 +38,7 @@ MODULE_ALIAS_ANALYSIS("globals-aa", GlobalsAA())
 #define MODULE_PASS(NAME, CREATE_PASS)
 #endif
 MODULE_PASS("constmerge", ConstantMergePass())
+MODULE_PASS("cross-dso-cfi", CrossDSOCFIPass())
 MODULE_PASS("deadargelim", DeadArgumentEliminationPass())
 MODULE_PASS("elim-avail-extern", EliminateAvailableExternallyPass())
 MODULE_PASS("forceattrs", ForceFunctionAttrsPass())

lib/Transforms/IPO/CrossDSOCFI.cpp

@@ -12,7 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/CrossDSOCFI.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/EquivalenceClasses.h"
 #include "llvm/ADT/Statistic.h"
@@ -30,6 +30,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 
 using namespace llvm;
@@ -153,3 +154,11 @@ bool CrossDSOCFI::runOnModule(Module &M) {
   buildCFICheck(M);
   return true;
 }
+
+PreservedAnalyses CrossDSOCFIPass::run(Module &M, AnalysisManager<Module> &AM) {
+  CrossDSOCFI Impl;
+  bool Changed = Impl.runOnModule(M);
+  if (!Changed)
+    return PreservedAnalyses::all();
+  return PreservedAnalyses::none();
+}

test/Transforms/CrossDSOCFI/basic.ll

@@ -1,4 +1,5 @@
 ; RUN: opt -S -cross-dso-cfi < %s | FileCheck %s
+; RUN: opt -S -passes=cross-dso-cfi < %s | FileCheck %s
 
 ; CHECK:     define void @__cfi_check(i64 %[[TYPE:.*]], i8* %[[ADDR:.*]], i8* %[[DATA:.*]]) align 4096
 ; CHECK:     switch i64 %[[TYPE]], label %[[FAIL:.*]] [