summaryrefslogtreecommitdiff
path: root/lib/CodeGen/LLVMTargetMachine.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/LLVMTargetMachine.cpp')
-rw-r--r--lib/CodeGen/LLVMTargetMachine.cpp113
1 files changed, 55 insertions, 58 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index ad2c5534a88e..df96b945a8d9 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -12,12 +12,15 @@
//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Assembly/PrintModulePass.h"
+
+#include "llvm/Analysis/Passes.h"
#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/CodeGen/JumpInstrTables.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/Verifier.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
@@ -44,33 +47,24 @@ static cl::opt<cl::boolOrDefault>
EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
-static cl::opt<bool> ShowMCEncoding("show-mc-encoding", cl::Hidden,
- cl::desc("Show encoding in .s output"));
-static cl::opt<bool> ShowMCInst("show-mc-inst", cl::Hidden,
- cl::desc("Show instruction structure in .s output"));
-
-static cl::opt<cl::boolOrDefault>
-AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
- cl::init(cl::BOU_UNSET));
-
-static bool getVerboseAsm() {
- switch (AsmVerbose) {
- case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
- case cl::BOU_TRUE: return true;
- case cl::BOU_FALSE: return false;
- }
- llvm_unreachable("Invalid verbose asm state");
-}
-
void LLVMTargetMachine::initAsmInfo() {
- AsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(), TargetTriple);
+ MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
+ TargetTriple);
// TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
// and if the old one gets included then MCAsmInfo will be NULL and
// we'll crash later.
// Provide the user with a useful error message about what's wrong.
- assert(AsmInfo && "MCAsmInfo not initialized. "
+ assert(TmpAsmInfo && "MCAsmInfo not initialized. "
"Make sure you include the correct TargetSelect.h"
"and that InitializeAllTargetMCs() is being invoked!");
+
+ if (Options.DisableIntegratedAS)
+ TmpAsmInfo->setUseIntegratedAssembler(false);
+
+ if (Options.CompressDebugSections)
+ TmpAsmInfo->setCompressDebugSections(true);
+
+ AsmInfo = TmpAsmInfo;
}
LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
@@ -92,7 +86,12 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
bool DisableVerify,
AnalysisID StartAfter,
AnalysisID StopAfter) {
- // Targets may override createPassConfig to provide a target-specific sublass.
+
+ // Add internal analysis passes from the target machine.
+ TM->addAnalysisPasses(PM);
+
+ // Targets may override createPassConfig to provide a target-specific
+ // subclass.
TargetPassConfig *PassConfig = TM->createPassConfig(PM);
PassConfig->setStartStopPasses(StartAfter, StopAfter);
@@ -127,7 +126,7 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
// Ask the target for an isel.
if (PassConfig->addInstSelector())
- return NULL;
+ return nullptr;
PassConfig->addMachinePasses();
@@ -142,6 +141,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
bool DisableVerify,
AnalysisID StartAfter,
AnalysisID StopAfter) {
+ // Passes to handle jumptable function annotations. These can't be handled at
+ // JIT time, so we don't add them directly to addPassesToGenerateCode.
+ PM.add(createJumpInstrTableInfoPass());
+ PM.add(createJumpInstrTablesPass(Options.JTType));
+
// Add common CodeGen passes.
MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
StartAfter, StopAfter);
@@ -154,18 +158,18 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
// machine-level pass), and whatever other information is needed to
// deserialize the code and resume compilation. For now, just write the
// LLVM IR.
- PM.add(createPrintModulePass(&Out));
+ PM.add(createPrintModulePass(Out));
return false;
}
- if (hasMCSaveTempLabels())
+ if (Options.MCOptions.MCSaveTempLabels)
Context->setAllowTemporaryLabels(false);
const MCAsmInfo &MAI = *getMCAsmInfo();
const MCRegisterInfo &MRI = *getRegisterInfo();
const MCInstrInfo &MII = *getInstrInfo();
const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- OwningPtr<MCStreamer> AsmStreamer;
+ std::unique_ptr<MCStreamer> AsmStreamer;
switch (FileType) {
case CGFT_AssemblyFile: {
@@ -174,20 +178,16 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
MII, MRI, STI);
// Create a code emitter if asked to show the encoding.
- MCCodeEmitter *MCE = 0;
- if (ShowMCEncoding)
+ MCCodeEmitter *MCE = nullptr;
+ if (Options.MCOptions.ShowMCEncoding)
MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
- MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
- getVerboseAsm(),
- hasMCUseLoc(),
- hasMCUseCFI(),
- hasMCUseDwarfDirectory(),
- InstPrinter,
- MCE, MAB,
- ShowMCInst);
+ MCStreamer *S = getTarget().createAsmStreamer(
+ *Context, Out, Options.MCOptions.AsmVerbose,
+ Options.MCOptions.MCUseDwarfDirectory, InstPrinter, MCE, MAB,
+ Options.MCOptions.ShowMCInst);
AsmStreamer.reset(S);
break;
}
@@ -198,30 +198,28 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
*Context);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
- if (MCE == 0 || MAB == 0)
+ if (!MCE || !MAB)
return true;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(),
- *Context, *MAB, Out,
- MCE, hasMCRelaxAll(),
- hasMCNoExecStack()));
- AsmStreamer.get()->setAutoInitSections(true);
+ AsmStreamer.reset(getTarget().createMCObjectStreamer(
+ getTargetTriple(), *Context, *MAB, Out, MCE, STI,
+ Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
break;
}
case CGFT_Null:
// The Null output is intended for use for performance analysis and testing,
// not real users.
- AsmStreamer.reset(createNullStreamer(*Context));
+ AsmStreamer.reset(getTarget().createNullStreamer(*Context));
break;
}
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
- if (Printer == 0)
+ if (!Printer)
return true;
// If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
+ AsmStreamer.release();
PM.add(Printer);
@@ -238,7 +236,8 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
JITCodeEmitter &JCE,
bool DisableVerify) {
// Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
+ MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, nullptr,
+ nullptr);
if (!Context)
return true;
@@ -257,11 +256,11 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
raw_ostream &Out,
bool DisableVerify) {
// Add common CodeGen passes.
- Ctx = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
+ Ctx = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, nullptr);
if (!Ctx)
return true;
- if (hasMCSaveTempLabels())
+ if (Options.MCOptions.MCSaveTempLabels)
Ctx->setAllowTemporaryLabels(false);
// Create the code emitter for the target if it exists. If not, .o file
@@ -272,23 +271,21 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
STI, *Ctx);
MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
TargetCPU);
- if (MCE == 0 || MAB == 0)
+ if (!MCE || !MAB)
return true;
- OwningPtr<MCStreamer> AsmStreamer;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), *Ctx,
- *MAB, Out, MCE,
- hasMCRelaxAll(),
- hasMCNoExecStack()));
- AsmStreamer.get()->InitSections();
+ std::unique_ptr<MCStreamer> AsmStreamer;
+ AsmStreamer.reset(getTarget().createMCObjectStreamer(
+ getTargetTriple(), *Ctx, *MAB, Out, MCE, STI,
+ Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
- if (Printer == 0)
+ if (!Printer)
return true;
// If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
+ AsmStreamer.release();
PM.add(Printer);
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 15:29:04 +0000