[PATCH] D91385: [DFSan][NewPM] Handle dfsan under NPM

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks updated this revision to Diff 304967.
aeubanks added a comment.
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make it required, update tests to also use opt-bisect


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91385/new/

https://reviews.llvm.org/D91385

Files:
  clang/lib/CodeGen/BackendUtil.cpp
  clang/test/CodeGen/O0-no-skipped-passes.c
  clang/test/CodeGen/no-skipped-passes-O0-opt-bisect.c
  llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h


Index: llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
===================================================================
--- llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
+++ llvm/include/llvm/Transforms/Instrumentation/DataFlowSanitizer.h
@@ -24,6 +24,7 @@
       const std::vector<std::string> &ABIListFiles = std::vector<std::string>())
       : ABIListFiles(ABIListFiles) {}
   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
+  static bool isRequired() { return true; }
 };
 
 } // namespace llvm
Index: clang/test/CodeGen/no-skipped-passes-O0-opt-bisect.c
===================================================================
--- /dev/null
+++ clang/test/CodeGen/no-skipped-passes-O0-opt-bisect.c
@@ -0,0 +1,25 @@
+// Test that no passes are skipped under NPM with -O0/opt-bisect
+//
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fcoroutines-ts 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=address 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=hwaddress 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=memory 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=thread 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=local-bounds 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=dataflow 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize-coverage-trace-pc-guard 2>&1 | FileCheck %s
+
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fcoroutines-ts 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=address 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=hwaddress 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=memory 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=thread 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=local-bounds 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=dataflow 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -opt-bisect-limit=0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize-coverage-trace-pc-guard 2>&1 | FileCheck %s
+
+// CHECK-NOT: Skipping pass
+
+int func(int a) { return a; }
Index: clang/test/CodeGen/O0-no-skipped-passes.c
===================================================================
--- clang/test/CodeGen/O0-no-skipped-passes.c
+++ /dev/null
@@ -1,14 +0,0 @@
-// Test that no passes are skipped under -O0/NPM
-//
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fcoroutines-ts 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=address 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=hwaddress 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=memory 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=thread 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize=local-bounds 2>&1 | FileCheck %s
-// RUN: %clang_cc1 -triple x86_64-linux-gnu -mllvm -enable-npm-optnone -O0 -fexperimental-new-pass-manager %s -fdebug-pass-manager -emit-llvm -o /dev/null -fsanitize-coverage-trace-pc-guard 2>&1 | FileCheck %s
-
-// CHECK-NOT: Skipping pass
-
-int func(int a) { return a; }
Index: clang/lib/CodeGen/BackendUtil.cpp
===================================================================
--- clang/lib/CodeGen/BackendUtil.cpp
+++ clang/lib/CodeGen/BackendUtil.cpp
@@ -65,6 +65,7 @@
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/Instrumentation/AddressSanitizer.h"
 #include "llvm/Transforms/Instrumentation/BoundsChecking.h"
+#include "llvm/Transforms/Instrumentation/DataFlowSanitizer.h"
 #include "llvm/Transforms/Instrumentation/GCOVProfiler.h"
 #include "llvm/Transforms/Instrumentation/HWAddressSanitizer.h"
 #include "llvm/Transforms/Instrumentation/InstrProfiling.h"
@@ -1295,6 +1296,14 @@
     HWASanPass(SanitizerKind::HWAddress, false);
     HWASanPass(SanitizerKind::KernelHWAddress, true);
 
+    if (LangOpts.Sanitize.has(SanitizerKind::DataFlow)) {
+      PB.registerOptimizerLastEPCallback(
+          [this](ModulePassManager &MPM, PassBuilder::OptimizationLevel Level) {
+            MPM.addPass(
+                DataFlowSanitizerPass(LangOpts.SanitizerBlacklistFiles));
+          });
+    }
+
     if (Optional<GCOVOptions> Options = getGCOVOptions(CodeGenOpts, LangOpts))
       PB.registerPipelineStartEPCallback(
           [Options](ModulePassManager &MPM,


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