1 files changed, 28 insertions, 13 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp b/contrib/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
index ea703d0..ee07479 100644
--- a/contrib/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/contrib/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -207,13 +207,16 @@ storeRegToStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
     Opc = Mips::SDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::SDC164;
-  else if (RC->hasType(MVT::v16i8))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v16i8))
     Opc = Mips::ST_B;
-  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v8i16) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v8f16))
     Opc = Mips::ST_H;
-  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v4i32) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v4f32))
     Opc = Mips::ST_W;
-  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v2i64) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v2f64))
     Opc = Mips::ST_D;
   else if (Mips::LO32RegClass.hasSubClassEq(RC))
     Opc = Mips::SW;
@@ -280,13 +283,16 @@ loadRegFromStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
     Opc = Mips::LDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::LDC164;
-  else if (RC->hasType(MVT::v16i8))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v16i8))
     Opc = Mips::LD_B;
-  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v8i16) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v8f16))
     Opc = Mips::LD_H;
-  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v4i32) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v4f32))
     Opc = Mips::LD_W;
-  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
+  else if (TRI->isTypeLegalForClass(*RC, MVT::v2i64) ||
+           TRI->isTypeLegalForClass(*RC, MVT::v2f64))
     Opc = Mips::LD_D;
   else if (Mips::HI32RegClass.hasSubClassEq(RC))
     Opc = Mips::LW;
@@ -540,11 +546,20 @@ unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const {
 
 void MipsSEInstrInfo::expandRetRA(MachineBasicBlock &MBB,
                                   MachineBasicBlock::iterator I) const {
+
+  MachineInstrBuilder MIB;
   if (Subtarget.isGP64bit())
-    BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn64))
-        .addReg(Mips::RA_64);
+    MIB = BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn64))
+              .addReg(Mips::RA_64, RegState::Undef);
   else
-    BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn)).addReg(Mips::RA);
+    MIB = BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn))
+              .addReg(Mips::RA, RegState::Undef);
+
+  // Retain any imp-use flags.
+  for (auto & MO : I->operands()) {
+    if (MO.isImplicit())
+      MIB.add(MO);
+  }
 }
 
 void MipsSEInstrInfo::expandERet(MachineBasicBlock &MBB,
@@ -558,8 +573,8 @@ MipsSEInstrInfo::compareOpndSize(unsigned Opc,
   const MCInstrDesc &Desc = get(Opc);
   assert(Desc.NumOperands == 2 && "Unary instruction expected.");
   const MipsRegisterInfo *RI = &getRegisterInfo();
-  unsigned DstRegSize = getRegClass(Desc, 0, RI, MF)->getSize();
-  unsigned SrcRegSize = getRegClass(Desc, 1, RI, MF)->getSize();
+  unsigned DstRegSize = RI->getRegSizeInBits(*getRegClass(Desc, 0, RI, MF));
+  unsigned SrcRegSize = RI->getRegSizeInBits(*getRegClass(Desc, 1, RI, MF));
 
   return std::make_pair(DstRegSize > SrcRegSize, DstRegSize < SrcRegSize);
 }