#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/CodeGen/GCStrategy.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
static cl::opt<bool> PrintLSR("print-lsr-output", cl::Hidden,
cl::desc("Print LLVM IR input to isel pass"));
static cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden,
cl::desc("Dump emitter generated instructions as assembly"));
+static cl::opt<bool> PrintGCInfo("print-gc", cl::Hidden,
+ cl::desc("Dump garbage collector data"));
// Hidden options to help debugging
static cl::opt<bool>
EnableSinking("enable-sinking", cl::init(false), cl::Hidden,
cl::desc("Perform sinking on machine code"));
static cl::opt<bool>
-PerformLICM("machine-licm",
- cl::init(false), cl::Hidden,
- cl::desc("Perform loop-invariant code motion on machine code"));
+EnableLICM("machine-licm",
+ cl::init(false), cl::Hidden,
+ cl::desc("Perform loop-invariant code motion on machine code"));
+
+// When this works it will be on by default.
+static cl::opt<bool>
+DisablePostRAScheduler("disable-post-RA-scheduler",
+ cl::desc("Disable scheduling after register allocation"),
+ cl::init(true));
FileModel::Model
-LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
- std::ostream &Out,
+LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
+ raw_ostream &Out,
CodeGenFileType FileType,
bool Fast) {
// Standard LLVM-Level Passes.
if (!Fast) {
PM.add(createLoopStrengthReducePass(getTargetLowering()));
if (PrintLSR)
- PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+ PM.add(new PrintFunctionPass("\n\n*** Code after LSR ***\n", &cerr));
}
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
+ PM.add(createGCLoweringPass());
- if (!ExceptionHandling)
+ if (!getTargetAsmInfo()->doesSupportExceptionHandling())
PM.add(createLowerInvokePass(getTargetLowering()));
// Make sure that no unreachable blocks are instruction selected.
PM.add(createCodeGenPreparePass(getTargetLowering()));
if (PrintISelInput)
- PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***\n",
&cerr));
// Ask the target for an isel.
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
- if (PerformLICM)
+ if (EnableLICM)
PM.add(createMachineLICMPass());
if (EnableSinking)
PM.add(createMachineSinkingPass());
+ // Run pre-ra passes.
+ if (addPreRegAlloc(PM, Fast) && PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
// Perform register allocation to convert to a concrete x86 representation
PM.add(createRegisterAllocator());
- if (PrintMachineCode)
+ // Perform stack slot coloring.
+ if (!Fast)
+ PM.add(createStackSlotColoringPass());
+
+ if (PrintMachineCode) // Print the register-allocated code
PM.add(createMachineFunctionPrinterPass(cerr));
-
- PM.add(createLowerSubregsPass());
- if (PrintMachineCode) // Print the subreg lowered code
- PM.add(createMachineFunctionPrinterPass(cerr));
-
// Run post-ra passes.
if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
+ PM.add(createLowerSubregsPass());
+
+ if (PrintMachineCode) // Print the subreg lowered code
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
// Insert prolog/epilog code. Eliminate abstract frame index references...
PM.add(createPrologEpilogCodeInserter());
+ if (PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
// Second pass scheduler.
- if (!Fast)
+ if (!Fast && !DisablePostRAScheduler)
PM.add(createPostRAScheduler());
// Branch folding must be run after regalloc and prolog/epilog insertion.
if (!Fast)
PM.add(createBranchFoldingPass(getEnableTailMergeDefault()));
+ PM.add(createGCMachineCodeAnalysisPass());
+ if (PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
+ if (PrintGCInfo)
+ PM.add(createGCInfoPrinter(*cerr));
+
// Fold redundant debug labels.
PM.add(createDebugLabelFoldingPass());
if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
+ if (!Fast && !OptimizeForSize)
+ PM.add(createLoopAlignerPass());
+
switch (FileType) {
default:
break;
/// addPassesToEmitFileFinish - If the passes to emit the specified file had to
/// be split up (e.g., to add an object writer pass), this method can be used to
/// finish up adding passes to emit the file, if necessary.
-bool LLVMTargetMachine::addPassesToEmitFileFinish(FunctionPassManager &PM,
+bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
MachineCodeEmitter *MCE,
bool Fast) {
if (MCE)
addSimpleCodeEmitter(PM, Fast, PrintEmittedAsm, *MCE);
+
+ PM.add(createGCInfoDeleter());
// Delete machine code for this function
PM.add(createMachineCodeDeleter());
/// of functions. This method should returns true if machine code emission is
/// not supported.
///
-bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
+bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
MachineCodeEmitter &MCE,
bool Fast) {
// Standard LLVM-Level Passes.
if (!Fast) {
PM.add(createLoopStrengthReducePass(getTargetLowering()));
if (PrintLSR)
- PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+ PM.add(new PrintFunctionPass("\n\n*** Code after LSR ***\n", &cerr));
}
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
+ PM.add(createGCLoweringPass());
- // FIXME: Implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass(getTargetLowering()));
+ if (!getTargetAsmInfo()->doesSupportExceptionHandling())
+ PM.add(createLowerInvokePass(getTargetLowering()));
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
PM.add(createCodeGenPreparePass(getTargetLowering()));
if (PrintISelInput)
- PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+ PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel ***\n",
&cerr));
// Ask the target for an isel.
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
- if (PerformLICM)
+ if (EnableLICM)
PM.add(createMachineLICMPass());
+
+ if (EnableSinking)
+ PM.add(createMachineSinkingPass());
- // Perform register allocation to convert to a concrete x86 representation
+ // Run pre-ra passes.
+ if (addPreRegAlloc(PM, Fast) && PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
+ // Perform register allocation.
PM.add(createRegisterAllocator());
-
+
+ // Perform stack slot coloring.
+ if (!Fast)
+ PM.add(createStackSlotColoringPass());
+
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
+ // Run post-ra passes.
+ if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
+ if (PrintMachineCode) // Print the register-allocated code
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
PM.add(createLowerSubregsPass());
if (PrintMachineCode) // Print the subreg lowered code
PM.add(createMachineFunctionPrinterPass(cerr));
- // Run post-ra passes.
- if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(cerr));
-
// Insert prolog/epilog code. Eliminate abstract frame index references...
PM.add(createPrologEpilogCodeInserter());
- if (PrintMachineCode) // Print the register-allocated code
+ if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
// Second pass scheduler.
if (!Fast)
PM.add(createBranchFoldingPass(getEnableTailMergeDefault()));
+ PM.add(createGCMachineCodeAnalysisPass());
+
+ if (PrintMachineCode)
+ PM.add(createMachineFunctionPrinterPass(cerr));
+
+ if (PrintGCInfo)
+ PM.add(createGCInfoPrinter(*cerr));
+
if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE);
+ PM.add(createGCInfoDeleter());
+
// Delete machine code for this function
PM.add(createMachineCodeDeleter());
projects / oota-llvm.git / blobdiff