Ensure CopyToReg nodes are always glued to the call instruction.

[oota-llvm.git] / lib / Target / Hexagon / HexagonTargetMachine.cpp

diff --git a/lib/Target/Hexagon/HexagonTargetMachine.cpp b/lib/Target/Hexagon/HexagonTargetMachine.cpp
index b29e92c0c68187c660151938574ce4403a82eca8..a7b291ff2a263ef6651bd4b8c8843eb7c6e5f35e 100644 (file)
--- a/lib/Target/Hexagon/HexagonTargetMachine.cpp
+++ b/lib/Target/Hexagon/HexagonTargetMachine.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
+// Implements the info about Hexagon target spec.
 //
 //===----------------------------------------------------------------------===//
 
@@ -16,11 +17,10 @@
 #include "llvm/Module.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/PassManager.h"
-#include "llvm/Support/CommandLine.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/Scalar.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/TargetRegistry.h"
-#include <iostream>
 
 using namespace llvm;
 
@@ -50,13 +50,15 @@ extern "C" void LLVMInitializeHexagonTarget() {
 ///
 HexagonTargetMachine::HexagonTargetMachine(const Target &T, StringRef TT,
                                            StringRef CPU, StringRef FS,
-                                           TargetOptions Options,
+                                           const TargetOptions &Options,
                                            Reloc::Model RM,
                                            CodeModel::Model CM,
                                            CodeGenOpt::Level OL)
   : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
-    DataLayout("e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-a0:0") ,
-    Subtarget(TT, CPU, FS), TLInfo(*this), InstrInfo(Subtarget),
+    DataLayout("e-p:32:32:32-"
+                "i64:64:64-i32:32:32-i16:16:16-i1:32:32-"
+                "f64:64:64-f32:32:32-a0:0-n32") ,
+    Subtarget(TT, CPU, FS), InstrInfo(Subtarget), TLInfo(*this),
     TSInfo(*this),
     FrameLowering(Subtarget),
     InstrItins(&Subtarget.getInstrItineraryData()) {
@@ -76,43 +78,71 @@ bool HexagonTargetMachine::addPassesForOptimizations(PassManagerBase &PM) {
   return true;
 }
 
-bool HexagonTargetMachine::addInstSelector(PassManagerBase &PM) {
-  PM.add(createHexagonRemoveExtendOps(*this));
-  PM.add(createHexagonISelDag(*this));
+namespace {
+/// Hexagon Code Generator Pass Configuration Options.
+class HexagonPassConfig : public TargetPassConfig {
+public:
+  HexagonPassConfig(HexagonTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
+
+  HexagonTargetMachine &getHexagonTargetMachine() const {
+    return getTM<HexagonTargetMachine>();
+  }
+
+  virtual bool addInstSelector();
+  virtual bool addPreRegAlloc();
+  virtual bool addPostRegAlloc();
+  virtual bool addPreSched2();
+  virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *HexagonTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new HexagonPassConfig(this, PM);
+}
+
+bool HexagonPassConfig::addInstSelector() {
+  addPass(createHexagonRemoveExtendOps(getHexagonTargetMachine()));
+  addPass(createHexagonISelDag(getHexagonTargetMachine()));
+  addPass(createHexagonPeephole());
   return false;
 }
 
 
-bool HexagonTargetMachine::addPreRegAlloc(PassManagerBase &PM) {
+bool HexagonPassConfig::addPreRegAlloc() {
   if (!DisableHardwareLoops) {
-    PM.add(createHexagonHardwareLoops());
+    addPass(createHexagonHardwareLoops());
   }
-
   return false;
 }
 
-bool HexagonTargetMachine::addPostRegAlloc(PassManagerBase &PM) {
-  PM.add(createHexagonCFGOptimizer(*this));
+bool HexagonPassConfig::addPostRegAlloc() {
+  addPass(createHexagonCFGOptimizer(getHexagonTargetMachine()));
   return true;
 }
 
 
-bool HexagonTargetMachine::addPreSched2(PassManagerBase &PM) {
-  PM.add(createIfConverterPass());
+bool HexagonPassConfig::addPreSched2() {
+  addPass(&IfConverterID);
   return true;
 }
 
-bool HexagonTargetMachine::addPreEmitPass(PassManagerBase &PM) {
+bool HexagonPassConfig::addPreEmitPass() {
 
   if (!DisableHardwareLoops) {
-    PM.add(createHexagonFixupHwLoops());
+    addPass(createHexagonFixupHwLoops());
   }
 
+  addPass(createHexagonNewValueJump());
+
   // Expand Spill code for predicate registers.
-  PM.add(createHexagonExpandPredSpillCode(*this));
+  addPass(createHexagonExpandPredSpillCode(getHexagonTargetMachine()));
 
   // Split up TFRcondsets into conditional transfers.
-  PM.add(createHexagonSplitTFRCondSets(*this));
+  addPass(createHexagonSplitTFRCondSets(getHexagonTargetMachine()));
+
+  // Create Packets.
+  addPass(createHexagonPacketizer());
 
   return false;
 }