AsmPrinter: Introduce DIEValue.def, NFC

[oota-llvm.git] / lib / Target / R600 / R600RegisterInfo.cpp

diff --git a/lib/Target/R600/R600RegisterInfo.cpp b/lib/Target/R600/R600RegisterInfo.cpp
index a42043b34347252d9df4fe786be72563a22e327b..fb0359cfc651c28c7a31486e4ee51beea536d23b 100644 (file)
--- a/lib/Target/R600/R600RegisterInfo.cpp
+++ b/lib/Target/R600/R600RegisterInfo.cpp
@@ -20,14 +20,17 @@
 
 using namespace llvm;
 
-R600RegisterInfo::R600RegisterInfo(AMDGPUTargetMachine &tm)
-: AMDGPURegisterInfo(tm),
-  TM(tm)
-  { RCW.RegWeight = 0; RCW.WeightLimit = 0;}
+R600RegisterInfo::R600RegisterInfo() : AMDGPURegisterInfo() {
+  RCW.RegWeight = 0;
+  RCW.WeightLimit = 0;
+}
 
 BitVector R600RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
 
+  const R600InstrInfo *TII =
+      static_cast<const R600InstrInfo *>(MF.getSubtarget().getInstrInfo());
+
   Reserved.set(AMDGPU::ZERO);
   Reserved.set(AMDGPU::HALF);
   Reserved.set(AMDGPU::ONE);
@@ -41,43 +44,26 @@ BitVector R600RegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   Reserved.set(AMDGPU::PRED_SEL_OFF);
   Reserved.set(AMDGPU::PRED_SEL_ZERO);
   Reserved.set(AMDGPU::PRED_SEL_ONE);
+  Reserved.set(AMDGPU::INDIRECT_BASE_ADDR);
 
   for (TargetRegisterClass::iterator I = AMDGPU::R600_AddrRegClass.begin(),
                         E = AMDGPU::R600_AddrRegClass.end(); I != E; ++I) {
     Reserved.set(*I);
   }
 
-  for (TargetRegisterClass::iterator I = AMDGPU::TRegMemRegClass.begin(),
-                                     E = AMDGPU::TRegMemRegClass.end();
-                                     I !=  E; ++I) {
-    Reserved.set(*I);
-  }
+  TII->reserveIndirectRegisters(Reserved, MF);
 
-  const R600InstrInfo *RII =
-    static_cast<const R600InstrInfo*>(TM.getInstrInfo());
-  std::vector<unsigned> IndirectRegs = RII->getIndirectReservedRegs(MF);
-  for (std::vector<unsigned>::iterator I = IndirectRegs.begin(),
-                                       E = IndirectRegs.end();
-                                       I != E; ++I) {
-    Reserved.set(*I);
-  }
   return Reserved;
 }
 
-const TargetRegisterClass *
-R600RegisterInfo::getISARegClass(const TargetRegisterClass * rc) const {
-  switch (rc->getID()) {
-  case AMDGPU::GPRF32RegClassID:
-  case AMDGPU::GPRI32RegClassID:
-    return &AMDGPU::R600_Reg32RegClass;
-  default: return rc;
-  }
-}
-
 unsigned R600RegisterInfo::getHWRegChan(unsigned reg) const {
   return this->getEncodingValue(reg) >> HW_CHAN_SHIFT;
 }
 
+unsigned R600RegisterInfo::getHWRegIndex(unsigned Reg) const {
+  return GET_REG_INDEX(getEncodingValue(Reg));
+}
+
 const TargetRegisterClass * R600RegisterInfo::getCFGStructurizerRegClass(
                                                                    MVT VT) const {
   switch(VT.SimpleTy) {
@@ -86,17 +72,20 @@ const TargetRegisterClass * R600RegisterInfo::getCFGStructurizerRegClass(
   }
 }
 
-unsigned R600RegisterInfo::getSubRegFromChannel(unsigned Channel) const {
-  switch (Channel) {
-    default: assert(!"Invalid channel index"); return 0;
-    case 0: return AMDGPU::sub0;
-    case 1: return AMDGPU::sub1;
-    case 2: return AMDGPU::sub2;
-    case 3: return AMDGPU::sub3;
-  }
-}
-
 const RegClassWeight &R600RegisterInfo::getRegClassWeight(
   const TargetRegisterClass *RC) const {
   return RCW;
 }
+
+bool R600RegisterInfo::isPhysRegLiveAcrossClauses(unsigned Reg) const {
+  assert(!TargetRegisterInfo::isVirtualRegister(Reg));
+
+  switch (Reg) {
+  case AMDGPU::OQAP:
+  case AMDGPU::OQBP:
+  case AMDGPU::AR_X:
+    return false;
+  default:
+    return true;
+  }
+}