[clang] 8c15c17 - Revert "[opt][clang] Enable using -module-summary/-flto=thin with -S/-emit-llvm"
Alexander Shaposhnikov via cfe-commits
cfe-commits at lists.llvm.org
Mon Nov 14 13:34:30 PST 2022
Author: Alexander Shaposhnikov
Date: 2022-11-14T21:31:30Z
New Revision: 8c15c17e3ba7916b2efb2a100495c710bae04fb6
URL: https://github.com/llvm/llvm-project/commit/8c15c17e3ba7916b2efb2a100495c710bae04fb6
DIFF: https://github.com/llvm/llvm-project/commit/8c15c17e3ba7916b2efb2a100495c710bae04fb6.diff
LOG: Revert "[opt][clang] Enable using -module-summary/-flto=thin with -S/-emit-llvm"
This reverts commit ef9e624694c0f125c53f7d0d3472fd486bada57d
for further investigation offline.
It appears to break the buildbot
llvm-clang-x86_64-sie-ubuntu-fast.
Added:
Modified:
clang/lib/CodeGen/BackendUtil.cpp
clang/test/CodeGen/split-lto-unit.c
llvm/include/llvm/IR/IRPrintingPasses.h
llvm/lib/IR/CMakeLists.txt
llvm/lib/IR/IRPrintingPasses.cpp
llvm/test/Bitcode/thinlto-function-summary.ll
llvm/tools/opt/NewPMDriver.cpp
Removed:
################################################################################
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 26633f8007037..41f9ce3a009da 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -978,24 +978,19 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
if (!actionRequiresCodeGen(Action) && CodeGenOpts.VerifyModule)
MPM.addPass(VerifierPass());
- if (Action == Backend_EmitBC || Action == Backend_EmitLL) {
+ switch (Action) {
+ case Backend_EmitBC:
if (CodeGenOpts.PrepareForThinLTO && !CodeGenOpts.DisableLLVMPasses) {
+ if (!CodeGenOpts.ThinLinkBitcodeFile.empty()) {
+ ThinLinkOS = openOutputFile(CodeGenOpts.ThinLinkBitcodeFile);
+ if (!ThinLinkOS)
+ return;
+ }
if (!TheModule->getModuleFlag("EnableSplitLTOUnit"))
TheModule->addModuleFlag(Module::Error, "EnableSplitLTOUnit",
CodeGenOpts.EnableSplitLTOUnit);
- if (Action == Backend_EmitBC) {
- if (!CodeGenOpts.ThinLinkBitcodeFile.empty()) {
- ThinLinkOS = openOutputFile(CodeGenOpts.ThinLinkBitcodeFile);
- if (!ThinLinkOS)
- return;
- }
- MPM.addPass(ThinLTOBitcodeWriterPass(*OS, ThinLinkOS ? &ThinLinkOS->os()
- : nullptr));
- } else {
- MPM.addPass(PrintModulePass(*OS, "", CodeGenOpts.EmitLLVMUseLists,
- true /* EmitLTOSummary */));
- }
-
+ MPM.addPass(ThinLTOBitcodeWriterPass(*OS, ThinLinkOS ? &ThinLinkOS->os()
+ : nullptr));
} else {
// Emit a module summary by default for Regular LTO except for ld64
// targets
@@ -1007,13 +1002,17 @@ void EmitAssemblyHelper::RunOptimizationPipeline(
TheModule->addModuleFlag(Module::Error, "EnableSplitLTOUnit",
uint32_t(1));
}
- if (Action == Backend_EmitBC)
- MPM.addPass(BitcodeWriterPass(*OS, CodeGenOpts.EmitLLVMUseLists,
- EmitLTOSummary));
- else
- MPM.addPass(PrintModulePass(*OS, "", CodeGenOpts.EmitLLVMUseLists,
- EmitLTOSummary));
+ MPM.addPass(
+ BitcodeWriterPass(*OS, CodeGenOpts.EmitLLVMUseLists, EmitLTOSummary));
}
+ break;
+
+ case Backend_EmitLL:
+ MPM.addPass(PrintModulePass(*OS, "", CodeGenOpts.EmitLLVMUseLists));
+ break;
+
+ default:
+ break;
}
// Now that we have all of the passes ready, run them.
diff --git a/clang/test/CodeGen/split-lto-unit.c b/clang/test/CodeGen/split-lto-unit.c
index b1560b61f3e30..941aebafd01b3 100644
--- a/clang/test/CodeGen/split-lto-unit.c
+++ b/clang/test/CodeGen/split-lto-unit.c
@@ -1,15 +1,12 @@
// ; Check that -flto=thin without -fsplit-lto-unit has EnableSplitLTOUnit = 0
// RUN: %clang_cc1 -flto=thin -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s
-// RUN: %clang_cc1 -flto=thin -emit-llvm < %s | FileCheck %s
// CHECK: !{i32 1, !"EnableSplitLTOUnit", i32 0}
//
// ; Check that -flto=thin with -fsplit-lto-unit has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --check-prefix=SPLIT
-// RUN: %clang_cc1 -flto=thin -fsplit-lto-unit -emit-llvm < %s | FileCheck %s --check-prefix=SPLIT
// SPLIT: !{i32 1, !"EnableSplitLTOUnit", i32 1}
//
// ; Check that regular LTO has EnableSplitLTOUnit = 1
// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm-bc < %s | llvm-dis -o - | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
-// RUN: %clang_cc1 -flto -triple x86_64-pc-linux-gnu -emit-llvm < %s | FileCheck %s --implicit-check-not="EnableSplitLTOUnit" --check-prefix=SPLIT
int main(void) {}
diff --git a/llvm/include/llvm/IR/IRPrintingPasses.h b/llvm/include/llvm/IR/IRPrintingPasses.h
index 5f4880643c52d..3fba5b81e37a9 100644
--- a/llvm/include/llvm/IR/IRPrintingPasses.h
+++ b/llvm/include/llvm/IR/IRPrintingPasses.h
@@ -58,13 +58,11 @@ class PrintModulePass : public PassInfoMixin<PrintModulePass> {
raw_ostream &OS;
std::string Banner;
bool ShouldPreserveUseListOrder;
- bool EmitSummaryIndex;
public:
PrintModulePass();
PrintModulePass(raw_ostream &OS, const std::string &Banner = "",
- bool ShouldPreserveUseListOrder = false,
- bool EmitSummaryIndex = false);
+ bool ShouldPreserveUseListOrder = false);
PreservedAnalyses run(Module &M, AnalysisManager<Module> &);
static bool isRequired() { return true; }
diff --git a/llvm/lib/IR/CMakeLists.txt b/llvm/lib/IR/CMakeLists.txt
index 307f04452d0a6..ccd1055a48f1d 100644
--- a/llvm/lib/IR/CMakeLists.txt
+++ b/llvm/lib/IR/CMakeLists.txt
@@ -76,7 +76,6 @@ add_llvm_component_library(LLVMCore
intrinsics_gen
LINK_COMPONENTS
- Analysis
BinaryFormat
Remarks
Support
diff --git a/llvm/lib/IR/IRPrintingPasses.cpp b/llvm/lib/IR/IRPrintingPasses.cpp
index 56ebdf856de38..8d6fe1eb61347 100644
--- a/llvm/lib/IR/IRPrintingPasses.cpp
+++ b/llvm/lib/IR/IRPrintingPasses.cpp
@@ -12,7 +12,6 @@
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/Analysis/ModuleSummaryAnalysis.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PrintPasses.h"
@@ -25,20 +24,19 @@ using namespace llvm;
PrintModulePass::PrintModulePass() : OS(dbgs()) {}
PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
- bool ShouldPreserveUseListOrder,
- bool EmitSummaryIndex)
+ bool ShouldPreserveUseListOrder)
: OS(OS), Banner(Banner),
- ShouldPreserveUseListOrder(ShouldPreserveUseListOrder),
- EmitSummaryIndex(EmitSummaryIndex) {}
+ ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
-PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &AM) {
+PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &) {
if (llvm::isFunctionInPrintList("*")) {
if (!Banner.empty())
OS << Banner << "\n";
M.print(OS, nullptr, ShouldPreserveUseListOrder);
- } else {
+ }
+ else {
bool BannerPrinted = false;
- for (const auto &F : M.functions()) {
+ for(const auto &F : M.functions()) {
if (llvm::isFunctionInPrintList(F.getName())) {
if (!BannerPrinted && !Banner.empty()) {
OS << Banner << "\n";
@@ -48,16 +46,6 @@ PreservedAnalyses PrintModulePass::run(Module &M, ModuleAnalysisManager &AM) {
}
}
}
-
- ModuleSummaryIndex *Index =
- EmitSummaryIndex ? &(AM.getResult<ModuleSummaryIndexAnalysis>(M))
- : nullptr;
- if (Index) {
- if (Index->modulePaths().empty())
- Index->addModule("", 0);
- Index->print(OS);
- }
-
return PreservedAnalyses::all();
}
diff --git a/llvm/test/Bitcode/thinlto-function-summary.ll b/llvm/test/Bitcode/thinlto-function-summary.ll
index 68636ed192a19..ad745dd826acd 100644
--- a/llvm/test/Bitcode/thinlto-function-summary.ll
+++ b/llvm/test/Bitcode/thinlto-function-summary.ll
@@ -31,8 +31,6 @@
; RUN: opt -passes=name-anon-globals -module-summary < %s | llvm-dis | FileCheck %s
-; RUN: opt -passes=name-anon-globals -module-summary -S < %s | FileCheck %s
-; RUN: opt -passes=name-anon-globals -module-summary -S < %s | llvm-as | llvm-dis | FileCheck %s
; Check that this round-trips correctly.
; ModuleID = '<stdin>'
diff --git a/llvm/tools/opt/NewPMDriver.cpp b/llvm/tools/opt/NewPMDriver.cpp
index 3ed2dd87a055a..d4bf250bc78de 100644
--- a/llvm/tools/opt/NewPMDriver.cpp
+++ b/llvm/tools/opt/NewPMDriver.cpp
@@ -443,16 +443,16 @@ bool llvm::runPassPipeline(StringRef Arg0, Module &M, TargetMachine *TM,
MPM.addPass(NewPMCheckDebugifyPass(false, "", &DIStatsMap));
if (VerifyDIPreserve)
MPM.addPass(NewPMCheckDebugifyPass(
- false, "", nullptr, DebugifyMode::OriginalDebugInfo,
- &DebugInfoBeforePass, VerifyDIPreserveExport));
+ false, "", nullptr, DebugifyMode::OriginalDebugInfo, &DebugInfoBeforePass,
+ VerifyDIPreserveExport));
// Add any relevant output pass at the end of the pipeline.
switch (OK) {
case OK_NoOutput:
break; // No output pass needed.
case OK_OutputAssembly:
- MPM.addPass(PrintModulePass(
- Out->os(), "", ShouldPreserveAssemblyUseListOrder, EmitSummaryIndex));
+ MPM.addPass(
+ PrintModulePass(Out->os(), "", ShouldPreserveAssemblyUseListOrder));
break;
case OK_OutputBitcode:
MPM.addPass(BitcodeWriterPass(Out->os(), ShouldPreserveBitcodeUseListOrder,
More information about the cfe-commits
mailing list