r306757 - [NewPM] Add Clang cc1 flag -fdebug-pass-manager for printing debug information.
Tim Shen via cfe-commits
cfe-commits at lists.llvm.org
Thu Jun 29 16:10:13 PDT 2017
Author: timshen
Date: Thu Jun 29 16:10:13 2017
New Revision: 306757
URL: http://llvm.org/viewvc/llvm-project?rev=306757&view=rev
Log:
[NewPM] Add Clang cc1 flag -fdebug-pass-manager for printing debug information.
Differential Revision: https://reviews.llvm.org/D34790
Added:
cfe/trunk/test/CodeGen/lto-newpm-pipeline.c
Modified:
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/include/clang/Frontend/CodeGenOptions.def
cfe/trunk/lib/CodeGen/BackendUtil.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
Modified: cfe/trunk/include/clang/Driver/CC1Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=306757&r1=306756&r2=306757&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td (original)
+++ cfe/trunk/include/clang/Driver/CC1Options.td Thu Jun 29 16:10:13 2017
@@ -323,6 +323,10 @@ def flto_unit: Flag<["-"], "flto-unit">,
def fno_lto_unit: Flag<["-"], "fno-lto-unit">;
def fthin_link_bitcode_EQ : Joined<["-"], "fthin-link-bitcode=">,
HelpText<"Write minimized bitcode to <file> for the ThinLTO thin link only">;
+def fdebug_pass_manager : Flag<["-"], "fdebug-pass-manager">,
+ HelpText<"Prints debug information for the new pass manager">;
+def fno_debug_pass_manager : Flag<["-"], "fno-debug-pass-manager">,
+ HelpText<"Disables debug printing for the new pass manager">;
//===----------------------------------------------------------------------===//
// Dependency Output Options
Modified: cfe/trunk/include/clang/Frontend/CodeGenOptions.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/CodeGenOptions.def?rev=306757&r1=306756&r2=306757&view=diff
==============================================================================
--- cfe/trunk/include/clang/Frontend/CodeGenOptions.def (original)
+++ cfe/trunk/include/clang/Frontend/CodeGenOptions.def Thu Jun 29 16:10:13 2017
@@ -57,6 +57,8 @@ CODEGENOPT(DisableLifetimeMarkers, 1, 0)
CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0
CODEGENOPT(ExperimentalNewPassManager, 1, 0) ///< Enables the new, experimental
///< pass manager.
+CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new
+ ///< pass manager.
CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled.
CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls.
CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what
Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=306757&r1=306756&r2=306757&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Thu Jun 29 16:10:13 2017
@@ -879,7 +879,7 @@ void EmitAssemblyHelper::EmitAssemblyWit
PB.registerLoopAnalyses(LAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
- ModulePassManager MPM;
+ ModulePassManager MPM(CodeGenOpts.DebugPassManager);
if (!CodeGenOpts.DisableLLVMPasses) {
bool IsThinLTO = CodeGenOpts.EmitSummaryIndex;
@@ -897,12 +897,15 @@ void EmitAssemblyHelper::EmitAssemblyWit
PassBuilder::OptimizationLevel Level = mapToLevel(CodeGenOpts);
if (IsThinLTO) {
- MPM = PB.buildThinLTOPreLinkDefaultPipeline(Level);
+ MPM = PB.buildThinLTOPreLinkDefaultPipeline(
+ Level, CodeGenOpts.DebugPassManager);
MPM.addPass(NameAnonGlobalPass());
} else if (IsLTO) {
- MPM = PB.buildLTOPreLinkDefaultPipeline(Level);
+ MPM = PB.buildLTOPreLinkDefaultPipeline(Level,
+ CodeGenOpts.DebugPassManager);
} else {
- MPM = PB.buildPerModuleDefaultPipeline(Level);
+ MPM = PB.buildPerModuleDefaultPipeline(Level,
+ CodeGenOpts.DebugPassManager);
}
}
}
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=306757&r1=306756&r2=306757&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Thu Jun 29 16:10:13 2017
@@ -476,6 +476,10 @@ static bool ParseCodeGenArgs(CodeGenOpti
OPT_fexperimental_new_pass_manager, OPT_fno_experimental_new_pass_manager,
/* Default */ false);
+ Opts.DebugPassManager =
+ Args.hasFlag(OPT_fdebug_pass_manager, OPT_fno_debug_pass_manager,
+ /* Default */ false);
+
if (Arg *A = Args.getLastArg(OPT_fveclib)) {
StringRef Name = A->getValue();
if (Name == "Accelerate")
Added: cfe/trunk/test/CodeGen/lto-newpm-pipeline.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/lto-newpm-pipeline.c?rev=306757&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/lto-newpm-pipeline.c (added)
+++ cfe/trunk/test/CodeGen/lto-newpm-pipeline.c Thu Jun 29 16:10:13 2017
@@ -0,0 +1,53 @@
+// REQUIRES: x86-registered-target
+
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -O0 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-O0
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -O0 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-O0
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -O1 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -O1 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -O2 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -O2 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -O3 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -O3 %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -Os %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -Os %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=full -Oz %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-FULL-OPTIMIZED
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm-bc -o /dev/null -fexperimental-new-pass-manager -fdebug-pass-manager -flto=thin -Oz %s 2>&1 | FileCheck %s \
+// RUN: -check-prefix=CHECK-THIN-OPTIMIZED
+
+// CHECK-FULL-O0: Starting llvm::Module pass manager run.
+// CHECK-FULL-O0: Running pass: AlwaysInlinerPass
+// CHECK-FULL-O0-NEXT: Running pass: BitcodeWriterPass
+// CHECK-FULL-O0: Finished llvm::Module pass manager run.
+
+// CHECK-THIN-O0: Starting llvm::Module pass manager run.
+// CHECK-THIN-O0: Running pass: AlwaysInlinerPass
+// CHECK-THIN-O0-NEXT: Running pass: NameAnonGlobalPass
+// CHECK-THIN-O0-NEXT: Running pass: ThinLTOBitcodeWriterPass
+// CHECK-THIN-O0: Finished llvm::Module pass manager run.
+
+// TODO: The LTO pre-link pipeline currently invokes
+// buildPerModuleDefaultPipeline(), which contains LoopVectorizePass.
+// This may change as the pipeline gets implemented.
+// CHECK-FULL-OPTIMIZED: Starting llvm::Function pass manager run.
+// CHECK-FULL-OPTIMIZED: Running pass: LoopVectorizePass
+// CHECK-FULL-OPTIMIZED: Running pass: BitcodeWriterPass
+
+// The ThinLTO pre-link pipeline shouldn't contain passes like
+// LoopVectorizePass.
+// CHECK-THIN-OPTIMIZED: Starting llvm::Function pass manager run.
+// CHECK-THIN-OPTIMIZED-NOT: Running pass: LoopVectorizePass
+// CHECK-THIN-OPTIMIZED: Running pass: NameAnonGlobalPass
+// CHECK-THIN-OPTIMIZED: Running pass: ThinLTOBitcodeWriterPass
+
+void Foo() {}
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