aboutsummaryrefslogtreecommitdiff
path: root/llvm/lib/CodeGen/TargetPassConfig.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/TargetPassConfig.cpp')
-rw-r--r--llvm/lib/CodeGen/TargetPassConfig.cpp161
1 files changed, 10 insertions, 151 deletions
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
index 41d96b9..10c1ff9 100644
--- a/llvm/lib/CodeGen/TargetPassConfig.cpp
+++ b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -29,7 +29,6 @@
#include "llvm/CodeGen/RegAllocRegistry.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LegacyPassManager.h"
-#include "llvm/IR/PassInstrumentation.h"
#include "llvm/IR/Verifier.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/MCAsmInfo.h"
@@ -42,7 +41,6 @@
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/SaveAndRestore.h"
#include "llvm/Support/Threading.h"
-#include "llvm/Target/CGPassBuilderOption.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils.h"
@@ -128,16 +126,16 @@ static cl::opt<cl::boolOrDefault> DebugifyCheckAndStripAll(
"Debugify MIR before, by checking and stripping the debug info after, "
"each pass except those known to be unsafe when debug info is present"),
cl::ZeroOrMore);
+enum RunOutliner { AlwaysOutline, NeverOutline, TargetDefault };
// Enable or disable the MachineOutliner.
static cl::opt<RunOutliner> EnableMachineOutliner(
"enable-machine-outliner", cl::desc("Enable the machine outliner"),
- cl::Hidden, cl::ValueOptional, cl::init(RunOutliner::TargetDefault),
- cl::values(clEnumValN(RunOutliner::AlwaysOutline, "always",
+ cl::Hidden, cl::ValueOptional, cl::init(TargetDefault),
+ cl::values(clEnumValN(AlwaysOutline, "always",
"Run on all functions guaranteed to be beneficial"),
- clEnumValN(RunOutliner::NeverOutline, "never",
- "Disable all outlining"),
+ clEnumValN(NeverOutline, "never", "Disable all outlining"),
// Sentinel value for unspecified option.
- clEnumValN(RunOutliner::AlwaysOutline, "", "")));
+ clEnumValN(AlwaysOutline, "", "")));
// Enable or disable FastISel. Both options are needed, because
// FastISel is enabled by default with -fast, and we wish to be
// able to enable or disable fast-isel independently from -O0.
@@ -180,6 +178,7 @@ static cl::opt<bool> EarlyLiveIntervals("early-live-intervals", cl::Hidden,
cl::desc("Run live interval analysis earlier in the pipeline"));
// Experimental option to use CFL-AA in codegen
+enum class CFLAAType { None, Steensgaard, Andersen, Both };
static cl::opt<CFLAAType> UseCFLAA(
"use-cfl-aa-in-codegen", cl::init(CFLAAType::None), cl::Hidden,
cl::desc("Enable the new, experimental CFL alias analysis in CodeGen"),
@@ -416,145 +415,6 @@ void TargetPassConfig::setStartStopPasses() {
Started = (StartAfter == nullptr) && (StartBefore == nullptr);
}
-CGPassBuilderOption llvm::getCGPassBuilderOption() {
- CGPassBuilderOption Opt;
-
-#define SET_OPTION(Option) \
- if (Option.getNumOccurrences()) \
- Opt.Option = Option;
-
- SET_OPTION(EnableFastISelOption)
- SET_OPTION(EnableGlobalISelAbort)
- SET_OPTION(EnableGlobalISelOption)
- SET_OPTION(EnableIPRA)
- SET_OPTION(OptimizeRegAlloc)
- SET_OPTION(VerifyMachineCode)
-
-#define SET_BOOLEAN_OPTION(Option) Opt.Option = Option;
-
- SET_BOOLEAN_OPTION(EarlyLiveIntervals)
- SET_BOOLEAN_OPTION(EnableBlockPlacementStats)
- SET_BOOLEAN_OPTION(EnableImplicitNullChecks)
- SET_BOOLEAN_OPTION(EnableMachineOutliner)
- SET_BOOLEAN_OPTION(MISchedPostRA)
- SET_BOOLEAN_OPTION(UseCFLAA)
- SET_BOOLEAN_OPTION(DisableMergeICmps)
- SET_BOOLEAN_OPTION(DisableLSR)
- SET_BOOLEAN_OPTION(DisableConstantHoisting)
- SET_BOOLEAN_OPTION(DisableCGP)
- SET_BOOLEAN_OPTION(DisablePartialLibcallInlining)
- SET_BOOLEAN_OPTION(PrintLSR)
- SET_BOOLEAN_OPTION(PrintISelInput)
- SET_BOOLEAN_OPTION(PrintGCInfo)
-
- return Opt;
-}
-
-static void registerPartialPipelineCallback(PassInstrumentationCallbacks &PIC,
- LLVMTargetMachine &LLVMTM) {
- StringRef StartBefore;
- StringRef StartAfter;
- StringRef StopBefore;
- StringRef StopAfter;
-
- unsigned StartBeforeInstanceNum = 0;
- unsigned StartAfterInstanceNum = 0;
- unsigned StopBeforeInstanceNum = 0;
- unsigned StopAfterInstanceNum = 0;
-
- std::tie(StartBefore, StartBeforeInstanceNum) =
- getPassNameAndInstanceNum(StartBeforeOpt);
- std::tie(StartAfter, StartAfterInstanceNum) =
- getPassNameAndInstanceNum(StartAfterOpt);
- std::tie(StopBefore, StopBeforeInstanceNum) =
- getPassNameAndInstanceNum(StopBeforeOpt);
- std::tie(StopAfter, StopAfterInstanceNum) =
- getPassNameAndInstanceNum(StopAfterOpt);
-
- if (StartBefore.empty() && StartAfter.empty() && StopBefore.empty() &&
- StopAfter.empty())
- return;
-
- std::tie(StartBefore, std::ignore) =
- LLVMTM.getPassNameFromLegacyName(StartBefore);
- std::tie(StartAfter, std::ignore) =
- LLVMTM.getPassNameFromLegacyName(StartAfter);
- std::tie(StopBefore, std::ignore) =
- LLVMTM.getPassNameFromLegacyName(StopBefore);
- std::tie(StopAfter, std::ignore) =
- LLVMTM.getPassNameFromLegacyName(StopAfter);
- if (!StartBefore.empty() && !StartAfter.empty())
- report_fatal_error(Twine(StartBeforeOptName) + Twine(" and ") +
- Twine(StartAfterOptName) + Twine(" specified!"));
- if (!StopBefore.empty() && !StopAfter.empty())
- report_fatal_error(Twine(StopBeforeOptName) + Twine(" and ") +
- Twine(StopAfterOptName) + Twine(" specified!"));
-
- PIC.registerShouldRunOptionalPassCallback(
- [=, EnableCurrent = StartBefore.empty() && StartAfter.empty(),
- EnableNext = Optional<bool>(), StartBeforeCount = 0u,
- StartAfterCount = 0u, StopBeforeCount = 0u,
- StopAfterCount = 0u](StringRef P, Any) mutable {
- bool StartBeforePass = !StartBefore.empty() && P.contains(StartBefore);
- bool StartAfterPass = !StartAfter.empty() && P.contains(StartAfter);
- bool StopBeforePass = !StopBefore.empty() && P.contains(StopBefore);
- bool StopAfterPass = !StopAfter.empty() && P.contains(StopAfter);
-
- // Implement -start-after/-stop-after
- if (EnableNext) {
- EnableCurrent = *EnableNext;
- EnableNext.reset();
- }
-
- // Using PIC.registerAfterPassCallback won't work because if this
- // callback returns false, AfterPassCallback is also skipped.
- if (StartAfterPass && StartAfterCount++ == StartAfterInstanceNum) {
- assert(!EnableNext && "Error: assign to EnableNext more than once");
- EnableNext = true;
- }
- if (StopAfterPass && StopAfterCount++ == StopAfterInstanceNum) {
- assert(!EnableNext && "Error: assign to EnableNext more than once");
- EnableNext = false;
- }
-
- if (StartBeforePass && StartBeforeCount++ == StartBeforeInstanceNum)
- EnableCurrent = true;
- if (StopBeforePass && StopBeforeCount++ == StopBeforeInstanceNum)
- EnableCurrent = false;
- return EnableCurrent;
- });
-}
-
-void llvm::registerCodeGenCallback(PassInstrumentationCallbacks &PIC,
- LLVMTargetMachine &LLVMTM) {
-
- // Register a callback for disabling passes.
- PIC.registerShouldRunOptionalPassCallback([](StringRef P, Any) {
-
-#define DISABLE_PASS(Option, Name) \
- if (Option && P.contains(#Name)) \
- return false;
- DISABLE_PASS(DisableBlockPlacement, MachineBlockPlacementPass)
- DISABLE_PASS(DisableBranchFold, BranchFolderPass)
- DISABLE_PASS(DisableCopyProp, MachineCopyPropagationPass)
- DISABLE_PASS(DisableEarlyIfConversion, EarlyIfConverterPass)
- DISABLE_PASS(DisableEarlyTailDup, EarlyTailDuplicatePass)
- DISABLE_PASS(DisableMachineCSE, MachineCSEPass)
- DISABLE_PASS(DisableMachineDCE, DeadMachineInstructionElimPass)
- DISABLE_PASS(DisableMachineLICM, EarlyMachineLICMPass)
- DISABLE_PASS(DisableMachineSink, MachineSinkingPass)
- DISABLE_PASS(DisablePostRAMachineLICM, MachineLICMPass)
- DISABLE_PASS(DisablePostRAMachineSink, PostRAMachineSinkingPass)
- DISABLE_PASS(DisablePostRASched, PostRASchedulerPass)
- DISABLE_PASS(DisableSSC, StackSlotColoringPass)
- DISABLE_PASS(DisableTailDuplicate, TailDuplicatePass)
-
- return true;
- });
-
- registerPartialPipelineCallback(PIC, LLVMTM);
-}
-
// Out of line constructor provides default values for pass options and
// registers all common codegen passes.
TargetPassConfig::TargetPassConfig(LLVMTargetMachine &TM, PassManagerBase &pm)
@@ -1177,11 +1037,10 @@ void TargetPassConfig::addMachinePasses() {
addPass(&LiveDebugValuesID, false);
if (TM->Options.EnableMachineOutliner && getOptLevel() != CodeGenOpt::None &&
- EnableMachineOutliner != RunOutliner::NeverOutline) {
- bool RunOnAllFunctions =
- (EnableMachineOutliner == RunOutliner::AlwaysOutline);
- bool AddOutliner =
- RunOnAllFunctions || TM->Options.SupportsDefaultOutlining;
+ EnableMachineOutliner != NeverOutline) {
+ bool RunOnAllFunctions = (EnableMachineOutliner == AlwaysOutline);
+ bool AddOutliner = RunOnAllFunctions ||
+ TM->Options.SupportsDefaultOutlining;
if (AddOutliner)
addPass(createMachineOutlinerPass(RunOnAllFunctions));
}
generated by cgit v1.1 at 2025-10-07 21:13:58 +0000