[PowerPC] Generate logical vector VSX instructions

[oota-llvm.git] / lib / Target / NVPTX / NVPTXTargetMachine.cpp

diff --git a/lib/Target/NVPTX/NVPTXTargetMachine.cpp b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
index 72afe8d6ea9230ea52c3e26fc9ce6735ca4cd7b8..c0009fa9432792e1929744c3c97cf7c90c93be4b 100644 (file)
--- a/lib/Target/NVPTX/NVPTXTargetMachine.cpp
+++ b/lib/Target/NVPTX/NVPTXTargetMachine.cpp
@@ -16,16 +16,15 @@
 #include "NVPTX.h"
 #include "NVPTXAllocaHoisting.h"
 #include "NVPTXLowerAggrCopies.h"
-#include "NVPTXSplitBBatBar.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/Verifier.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCStreamer.h"
@@ -57,21 +56,29 @@ extern "C" void LLVMInitializeNVPTXTarget() {
   RegisterTargetMachine<NVPTXTargetMachine32> X(TheNVPTXTarget32);
   RegisterTargetMachine<NVPTXTargetMachine64> Y(TheNVPTXTarget64);
 
-  RegisterMCAsmInfo<NVPTXMCAsmInfo> A(TheNVPTXTarget32);
-  RegisterMCAsmInfo<NVPTXMCAsmInfo> B(TheNVPTXTarget64);
-
   // FIXME: This pass is really intended to be invoked during IR optimization,
   // but it's very NVPTX-specific.
   initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
   initializeGenericToNVVMPass(*PassRegistry::getPassRegistry());
 }
 
+static std::string computeDataLayout(const NVPTXSubtarget &ST) {
+  std::string Ret = "e";
+
+  if (!ST.is64Bit())
+    Ret += "-p:32:32";
+
+  Ret += "-i64:64-v16:16-v32:32-n16:32:64";
+
+  return Ret;
+}
+
 NVPTXTargetMachine::NVPTXTargetMachine(
     const Target &T, StringRef TT, StringRef CPU, StringRef FS,
     const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
     CodeGenOpt::Level OL, bool is64bit)
     : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
-      Subtarget(TT, CPU, FS, is64bit), DL(Subtarget.getDataLayout()),
+      Subtarget(TT, CPU, FS, is64bit), DL(computeDataLayout(Subtarget)),
       InstrInfo(*this), TLInfo(*this), TSInfo(*this),
       FrameLowering(
           *this, is64bit) /*FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0)*/ {
@@ -109,7 +116,7 @@ public:
   virtual bool addPreRegAlloc();
   virtual bool addPostRegAlloc();
 
-  virtual FunctionPass *createTargetRegisterAllocator(bool) LLVM_OVERRIDE;
+  virtual FunctionPass *createTargetRegisterAllocator(bool) override;
   virtual void addFastRegAlloc(FunctionPass *RegAllocPass);
   virtual void addOptimizedRegAlloc(FunctionPass *RegAllocPass);
 };
@@ -129,6 +136,7 @@ void NVPTXPassConfig::addIRPasses() {
   disablePass(&PrologEpilogCodeInserterID);
   disablePass(&MachineCopyPropagationID);
   disablePass(&BranchFolderPassID);
+  disablePass(&TailDuplicateID);
 
   TargetPassConfig::addIRPasses();
   addPass(createGenericToNVVMPass());
@@ -136,7 +144,6 @@ void NVPTXPassConfig::addIRPasses() {
 
 bool NVPTXPassConfig::addInstSelector() {
   addPass(createLowerAggrCopies());
-  addPass(createSplitBBatBarPass());
   addPass(createAllocaHoisting());
   addPass(createNVPTXISelDag(getNVPTXTargetMachine(), getOptLevel()));
   return false;
@@ -154,10 +161,30 @@ FunctionPass *NVPTXPassConfig::createTargetRegisterAllocator(bool) {
 
 void NVPTXPassConfig::addFastRegAlloc(FunctionPass *RegAllocPass) {
   assert(!RegAllocPass && "NVPTX uses no regalloc!");
-  addPass(&StrongPHIEliminationID);
+  addPass(&PHIEliminationID);
+  addPass(&TwoAddressInstructionPassID);
 }
 
 void NVPTXPassConfig::addOptimizedRegAlloc(FunctionPass *RegAllocPass) {
   assert(!RegAllocPass && "NVPTX uses no regalloc!");
-  addPass(&StrongPHIEliminationID);
+
+  addPass(&ProcessImplicitDefsID);
+  addPass(&LiveVariablesID);
+  addPass(&MachineLoopInfoID);
+  addPass(&PHIEliminationID);
+
+  addPass(&TwoAddressInstructionPassID);
+  addPass(&RegisterCoalescerID);
+
+  // PreRA instruction scheduling.
+  if (addPass(&MachineSchedulerID))
+    printAndVerify("After Machine Scheduling");
+
+
+  addPass(&StackSlotColoringID);
+
+  // FIXME: Needs physical registers
+  //addPass(&PostRAMachineLICMID);
+
+  printAndVerify("After StackSlotColoring");
 }