From a2ed448bf24fe22e9a1149c6fcb583c139079b22 Mon Sep 17 00:00:00 2001
From: Fedor Sergeev <fedor.sergeev@azul.com>
Date: Sun, 31 Mar 2019 10:15:39 +0000
Subject: [PATCH] SafepointIRVerifier port to new Pass Manager

Straightforward port of StatepointIRVerifier pass to new Pass Manager framework.

Fix By: skatkov
Reviewed By: fedor.sergeev
Differential Revision: https://reviews.llvm.org/D59825

This is a re-land of r357147/r357148 with LLVM_ENABLE_MODULES build fixed.
Adding IR/SafepointIRVerifier.h into its own module.

llvm-svn: 357361
---
 llvm/include/llvm/IR/SafepointIRVerifier.h | 12 ++++++++++++
 llvm/include/llvm/module.modulemap         |  1 +
 llvm/lib/IR/SafepointIRVerifier.cpp        | 11 +++++++++++
 llvm/lib/Passes/PassBuilder.cpp            |  1 +
 llvm/lib/Passes/PassRegistry.def           |  1 +
 5 files changed, 26 insertions(+)

diff --git a/llvm/include/llvm/IR/SafepointIRVerifier.h b/llvm/include/llvm/IR/SafepointIRVerifier.h
index cbdb8bd..ec55279 100644
--- a/llvm/include/llvm/IR/SafepointIRVerifier.h
+++ b/llvm/include/llvm/IR/SafepointIRVerifier.h
@@ -18,6 +18,8 @@
 #ifndef LLVM_IR_SAFEPOINT_IR_VERIFIER
 #define LLVM_IR_SAFEPOINT_IR_VERIFIER
 
+#include "llvm/IR/PassManager.h"
+
 namespace llvm {
 
 class Function;
@@ -29,6 +31,16 @@ void verifySafepointIR(Function &F);
 /// Create an instance of the safepoint verifier pass which can be added to
 /// a pass pipeline to check for relocation bugs.
 FunctionPass *createSafepointIRVerifierPass();
+
+/// Create an instance of the safepoint verifier pass which can be added to
+/// a pass pipeline to check for relocation bugs.
+class SafepointIRVerifierPass : public PassInfoMixin<SafepointIRVerifierPass> {
+
+public:
+  explicit SafepointIRVerifierPass() {}
+
+  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
+};
 }
 
 #endif // LLVM_IR_SAFEPOINT_IR_VERIFIER
diff --git a/llvm/include/llvm/module.modulemap b/llvm/include/llvm/module.modulemap
index dc8a7f6..a7ecd03 100644
--- a/llvm/include/llvm/module.modulemap
+++ b/llvm/include/llvm/module.modulemap
@@ -236,6 +236,7 @@ module LLVM_intrinsic_gen {
   }
   module IR_IntrinsicInst { header "IR/IntrinsicInst.h" export * }
   module IR_PatternMatch { header "IR/PatternMatch.h" export * }
+  module IR_SafepointIRVerifier { header "IR/SafepointIRVerifier.h" export * }
   module IR_Statepoint { header "IR/Statepoint.h" export * }
 
   export *
diff --git a/llvm/lib/IR/SafepointIRVerifier.cpp b/llvm/lib/IR/SafepointIRVerifier.cpp
index 217f10e..7f3dea5 100644
--- a/llvm/lib/IR/SafepointIRVerifier.cpp
+++ b/llvm/lib/IR/SafepointIRVerifier.cpp
@@ -197,6 +197,17 @@ protected:
 static void Verify(const Function &F, const DominatorTree &DT,
                    const CFGDeadness &CD);
 
+namespace llvm {
+PreservedAnalyses SafepointIRVerifierPass::run(Function &F,
+                                               FunctionAnalysisManager &AM) {
+  const auto &DT = AM.getResult<DominatorTreeAnalysis>(F);
+  CFGDeadness CD;
+  CD.processFunction(F, DT);
+  Verify(F, DT, CD);
+  return PreservedAnalyses::all();
+}
+}
+
 namespace {
 
 struct SafepointIRVerifier : public FunctionPass {
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index ba0d6c2..a36956e 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -56,6 +56,7 @@
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/PassManager.h"
+#include "llvm/IR/SafepointIRVerifier.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/FormatVariadic.h"
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
index 2bf5222..518b10d 100644
--- a/llvm/lib/Passes/PassRegistry.def
+++ b/llvm/lib/Passes/PassRegistry.def
@@ -231,6 +231,7 @@ FUNCTION_PASS("verify<domtree>", DominatorTreeVerifierPass())
 FUNCTION_PASS("verify<loops>", LoopVerifierPass())
 FUNCTION_PASS("verify<memoryssa>", MemorySSAVerifierPass())
 FUNCTION_PASS("verify<regions>", RegionInfoVerifierPass())
+FUNCTION_PASS("verify<safepoint-ir>", SafepointIRVerifierPass())
 FUNCTION_PASS("view-cfg", CFGViewerPass())
 FUNCTION_PASS("view-cfg-only", CFGOnlyViewerPass())
 FUNCTION_PASS("transform-warning", WarnMissedTransformationsPass())
-- 
2.7.4