[clang] 922fa2f - Run Coverage pass before other *San passes under new pass manager, round 2
Arthur Eubanks via cfe-commits
cfe-commits at lists.llvm.org
Thu May 28 14:29:50 PDT 2020
Author: Arthur Eubanks
Date: 2020-05-28T14:25:23-07:00
New Revision: 922fa2fce38b0bd97921b91ff1cdc57f18d3569c
URL: https://github.com/llvm/llvm-project/commit/922fa2fce38b0bd97921b91ff1cdc57f18d3569c
DIFF: https://github.com/llvm/llvm-project/commit/922fa2fce38b0bd97921b91ff1cdc57f18d3569c.diff
LOG: Run Coverage pass before other *San passes under new pass manager, round 2
Summary:
This was attempted once before in https://reviews.llvm.org/D79698, but
was reverted due to the coverage pass running in the wrong part of the
pipeline. This commit puts it in the same place as the other sanitizers.
This changes PassBuilder.OptimizerLastEPCallbacks to work on a
ModulePassManager instead of a FunctionPassManager. That is because
SanitizerCoverage cannot (easily) be split into a module pass and a
function pass like some of the other sanitizers since in its current
implementation it conditionally inserts module constructors based on
whether or not it successfully modified functions.
This fixes compiler-rt/test/msan/coverage-levels.cpp under the new pass
manager (last check-msan test).
Subscribers: hiraditya, cfe-commits, llvm-commits
Tags: #clang, #llvm
Differential Revision: https://reviews.llvm.org/D80692
Added:
Modified:
clang/lib/CodeGen/BackendUtil.cpp
llvm/include/llvm/Passes/PassBuilder.h
llvm/lib/Passes/PassBuilder.cpp
llvm/tools/opt/NewPMDriver.cpp
Removed:
################################################################################
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index e746aef1a62f..dd5016333920 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -32,6 +32,7 @@
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSummaryIndex.h"
+#include "llvm/IR/PassManager.h"
#include "llvm/IR/Verifier.h"
#include "llvm/LTO/LTOBackend.h"
#include "llvm/MC/MCAsmInfo.h"
@@ -1001,6 +1002,15 @@ static void addSanitizersAtO0(ModulePassManager &MPM,
const Triple &TargetTriple,
const LangOptions &LangOpts,
const CodeGenOptions &CodeGenOpts) {
+ if (CodeGenOpts.SanitizeCoverageType ||
+ CodeGenOpts.SanitizeCoverageIndirectCalls ||
+ CodeGenOpts.SanitizeCoverageTraceCmp) {
+ auto SancovOpts = getSancovOptsFromCGOpts(CodeGenOpts);
+ MPM.addPass(ModuleSanitizerCoveragePass(
+ SancovOpts, CodeGenOpts.SanitizeCoverageWhitelistFiles,
+ CodeGenOpts.SanitizeCoverageBlacklistFiles));
+ }
+
auto ASanPass = [&](SanitizerMask Mask, bool CompileKernel) {
MPM.addPass(RequireAnalysisPass<ASanGlobalsMetadataAnalysis, Module>());
bool Recover = CodeGenOpts.SanitizeRecover.has(Mask);
@@ -1249,6 +1259,20 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
[](FunctionPassManager &FPM, PassBuilder::OptimizationLevel Level) {
FPM.addPass(BoundsCheckingPass());
});
+
+ if (CodeGenOpts.SanitizeCoverageType ||
+ CodeGenOpts.SanitizeCoverageIndirectCalls ||
+ CodeGenOpts.SanitizeCoverageTraceCmp) {
+ PB.registerOptimizerLastEPCallback(
+ [this](ModulePassManager &MPM,
+ PassBuilder::OptimizationLevel Level) {
+ auto SancovOpts = getSancovOptsFromCGOpts(CodeGenOpts);
+ MPM.addPass(ModuleSanitizerCoveragePass(
+ SancovOpts, CodeGenOpts.SanitizeCoverageWhitelistFiles,
+ CodeGenOpts.SanitizeCoverageBlacklistFiles));
+ });
+ }
+
if (LangOpts.Sanitize.has(SanitizerKind::Memory)) {
int TrackOrigins = CodeGenOpts.SanitizeMemoryTrackOrigins;
bool Recover = CodeGenOpts.SanitizeRecover.has(SanitizerKind::Memory);
@@ -1257,17 +1281,19 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
MPM.addPass(MemorySanitizerPass({TrackOrigins, Recover, false}));
});
PB.registerOptimizerLastEPCallback(
- [TrackOrigins, Recover](FunctionPassManager &FPM,
+ [TrackOrigins, Recover](ModulePassManager &MPM,
PassBuilder::OptimizationLevel Level) {
- FPM.addPass(MemorySanitizerPass({TrackOrigins, Recover, false}));
+ MPM.addPass(createModuleToFunctionPassAdaptor(
+ MemorySanitizerPass({TrackOrigins, Recover, false})));
});
}
if (LangOpts.Sanitize.has(SanitizerKind::Thread)) {
PB.registerPipelineStartEPCallback(
[](ModulePassManager &MPM) { MPM.addPass(ThreadSanitizerPass()); });
PB.registerOptimizerLastEPCallback(
- [](FunctionPassManager &FPM, PassBuilder::OptimizationLevel Level) {
- FPM.addPass(ThreadSanitizerPass());
+ [](ModulePassManager &MPM, PassBuilder::OptimizationLevel Level) {
+ MPM.addPass(
+ createModuleToFunctionPassAdaptor(ThreadSanitizerPass()));
});
}
if (LangOpts.Sanitize.has(SanitizerKind::Address)) {
@@ -1278,10 +1304,11 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
bool Recover = CodeGenOpts.SanitizeRecover.has(SanitizerKind::Address);
bool UseAfterScope = CodeGenOpts.SanitizeAddressUseAfterScope;
PB.registerOptimizerLastEPCallback(
- [Recover, UseAfterScope](FunctionPassManager &FPM,
+ [Recover, UseAfterScope](ModulePassManager &MPM,
PassBuilder::OptimizationLevel Level) {
- FPM.addPass(AddressSanitizerPass(
- /*CompileKernel=*/false, Recover, UseAfterScope));
+ MPM.addPass(
+ createModuleToFunctionPassAdaptor(AddressSanitizerPass(
+ /*CompileKernel=*/false, Recover, UseAfterScope)));
});
bool ModuleUseAfterScope = asanUseGlobalsGC(TargetTriple, CodeGenOpts);
bool UseOdrIndicator = CodeGenOpts.SanitizeAddressUseOdrIndicator;
@@ -1325,15 +1352,6 @@ void EmitAssemblyHelper::EmitAssemblyWithNewPassManager(
}
}
- if (CodeGenOpts.SanitizeCoverageType ||
- CodeGenOpts.SanitizeCoverageIndirectCalls ||
- CodeGenOpts.SanitizeCoverageTraceCmp) {
- auto SancovOpts = getSancovOptsFromCGOpts(CodeGenOpts);
- MPM.addPass(ModuleSanitizerCoveragePass(
- SancovOpts, CodeGenOpts.SanitizeCoverageWhitelistFiles,
- CodeGenOpts.SanitizeCoverageBlacklistFiles));
- }
-
if (LangOpts.Sanitize.has(SanitizerKind::HWAddress)) {
bool Recover = CodeGenOpts.SanitizeRecover.has(SanitizerKind::HWAddress);
MPM.addPass(HWAddressSanitizerPass(
diff --git a/llvm/include/llvm/Passes/PassBuilder.h b/llvm/include/llvm/Passes/PassBuilder.h
index 391d144d5dcd..d5a70c2ae132 100644
--- a/llvm/include/llvm/Passes/PassBuilder.h
+++ b/llvm/include/llvm/Passes/PassBuilder.h
@@ -600,7 +600,7 @@ class PassBuilder {
/// is not triggered at O0. Extensions to the O0 pipeline should append their
/// passes to the end of the overall pipeline.
void registerOptimizerLastEPCallback(
- const std::function<void(FunctionPassManager &, OptimizationLevel)> &C) {
+ const std::function<void(ModulePassManager &, OptimizationLevel)> &C) {
OptimizerLastEPCallbacks.push_back(C);
}
@@ -728,7 +728,7 @@ class PassBuilder {
CGSCCOptimizerLateEPCallbacks;
SmallVector<std::function<void(FunctionPassManager &, OptimizationLevel)>, 2>
VectorizerStartEPCallbacks;
- SmallVector<std::function<void(FunctionPassManager &, OptimizationLevel)>, 2>
+ SmallVector<std::function<void(ModulePassManager &, OptimizationLevel)>, 2>
OptimizerLastEPCallbacks;
// Module callbacks
SmallVector<std::function<void(ModulePassManager &)>, 2>
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index 0999f7872d12..1b1701cbe261 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -1073,12 +1073,12 @@ ModulePassManager PassBuilder::buildModuleOptimizationPipeline(
if (PTO.Coroutines)
OptimizePM.addPass(CoroCleanupPass());
- for (auto &C : OptimizerLastEPCallbacks)
- C(OptimizePM, Level);
-
// Add the core optimizing pipeline.
MPM.addPass(createModuleToFunctionPassAdaptor(std::move(OptimizePM)));
+ for (auto &C : OptimizerLastEPCallbacks)
+ C(MPM, Level);
+
if (PTO.CallGraphProfile)
MPM.addPass(CGProfilePass());
diff --git a/llvm/tools/opt/NewPMDriver.cpp b/llvm/tools/opt/NewPMDriver.cpp
index 2e84ca49b6e0..c99ad2f7b4dc 100644
--- a/llvm/tools/opt/NewPMDriver.cpp
+++ b/llvm/tools/opt/NewPMDriver.cpp
@@ -194,7 +194,7 @@ static void registerEPCallbacks(PassBuilder &PB, bool VerifyEachPass,
});
if (tryParsePipelineText<FunctionPassManager>(PB, OptimizerLastEPPipeline))
PB.registerOptimizerLastEPCallback(
- [&PB, VerifyEachPass, DebugLogging](FunctionPassManager &PM,
+ [&PB, VerifyEachPass, DebugLogging](ModulePassManager &PM,
PassBuilder::OptimizationLevel) {
ExitOnError Err("Unable to parse OptimizerLastEP pipeline: ");
Err(PB.parsePassPipeline(PM, OptimizerLastEPPipeline, VerifyEachPass,
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