Add PseudoSourceValues for constpool stuff on ELF (Darwin should use something similar)

and register spills.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83435 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 34 insertions, 12 deletions

diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 79950fe..ecdf5a0 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -21,6 +21,8 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineMemOperand.h"
+#include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -665,27 +667,35 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                     const TargetRegisterClass *RC) const {
   DebugLoc DL = DebugLoc::getUnknownLoc();
   if (I != MBB.end()) DL = I->getDebugLoc();
+  MachineFunction &MF = *MBB.getParent();
+  MachineFrameInfo &MFI = *MF.getFrameInfo();
+
+  MachineMemOperand *MMO =
+    MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
+                            MachineMemOperand::MOStore, 0,
+                            MFI.getObjectSize(FI),
+                            MFI.getObjectAlignment(FI));
 
   if (RC == ARM::GPRRegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::STR))
                    .addReg(SrcReg, getKillRegState(isKill))
-                   .addFrameIndex(FI).addReg(0).addImm(0));
+                   .addFrameIndex(FI).addReg(0).addImm(0).addMemOperand(MMO));
   } else if (RC == ARM::DPRRegisterClass ||
              RC == ARM::DPR_VFP2RegisterClass ||
              RC == ARM::DPR_8RegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FSTD))
                    .addReg(SrcReg, getKillRegState(isKill))
-                   .addFrameIndex(FI).addImm(0));
+                   .addFrameIndex(FI).addImm(0).addMemOperand(MMO));
   } else if (RC == ARM::SPRRegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FSTS))
                    .addReg(SrcReg, getKillRegState(isKill))
-                   .addFrameIndex(FI).addImm(0));
+                   .addFrameIndex(FI).addImm(0).addMemOperand(MMO));
   } else {
     assert((RC == ARM::QPRRegisterClass ||
             RC == ARM::QPR_VFP2RegisterClass) && "Unknown regclass!");
     // FIXME: Neon instructions should support predicates
     BuildMI(MBB, I, DL, get(ARM::VSTRQ)).addReg(SrcReg, getKillRegState(isKill))
-      .addFrameIndex(FI).addImm(0);
+      .addFrameIndex(FI).addImm(0).addMemOperand(MMO);
   }
 }
 
@@ -695,23 +705,31 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
                      const TargetRegisterClass *RC) const {
   DebugLoc DL = DebugLoc::getUnknownLoc();
   if (I != MBB.end()) DL = I->getDebugLoc();
+  MachineFunction &MF = *MBB.getParent();
+  MachineFrameInfo &MFI = *MF.getFrameInfo();
+
+  MachineMemOperand *MMO =
+    MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FI),
+                            MachineMemOperand::MOLoad, 0,
+                            MFI.getObjectSize(FI),
+                            MFI.getObjectAlignment(FI));
 
   if (RC == ARM::GPRRegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::LDR), DestReg)
-                   .addFrameIndex(FI).addReg(0).addImm(0));
+                   .addFrameIndex(FI).addReg(0).addImm(0).addMemOperand(MMO));
   } else if (RC == ARM::DPRRegisterClass ||
              RC == ARM::DPR_VFP2RegisterClass ||
              RC == ARM::DPR_8RegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FLDD), DestReg)
-                   .addFrameIndex(FI).addImm(0));
+                   .addFrameIndex(FI).addImm(0).addMemOperand(MMO));
   } else if (RC == ARM::SPRRegisterClass) {
     AddDefaultPred(BuildMI(MBB, I, DL, get(ARM::FLDS), DestReg)
-                   .addFrameIndex(FI).addImm(0));
+                   .addFrameIndex(FI).addImm(0).addMemOperand(MMO));
   } else {
     assert((RC == ARM::QPRRegisterClass ||
             RC == ARM::QPR_VFP2RegisterClass) && "Unknown regclass!");
     // FIXME: Neon instructions should support predicates
-    BuildMI(MBB, I, DL, get(ARM::VLDRQ), DestReg).addFrameIndex(FI).addImm(0);
+    BuildMI(MBB, I, DL, get(ARM::VLDRQ), DestReg).addFrameIndex(FI).addImm(0).addMemOperand(MMO);
   }
 }
 
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 4fa24f3..cd89c07 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1303,17 +1303,20 @@ SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op,
     SDValue CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 4);
     CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
     SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(),
-                                 CPAddr, NULL, 0);
+                                 CPAddr,
+                                 PseudoSourceValue::getConstantPool(), 0);
     SDValue Chain = Result.getValue(1);
     SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(PtrVT);
     Result = DAG.getNode(ISD::ADD, dl, PtrVT, Result, GOT);
     if (!UseGOTOFF)
-      Result = DAG.getLoad(PtrVT, dl, Chain, Result, NULL, 0);
+      Result = DAG.getLoad(PtrVT, dl, Chain, Result,
+                           PseudoSourceValue::getGOT(), 0);
     return Result;
   } else {
     SDValue CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 4);
     CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
-    return DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
+    return DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
+                       PseudoSourceValue::getConstantPool(), 0);
   }
 }
 
@@ -1360,7 +1363,8 @@ SDValue ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDValue Op,
                                                        ARMPCLabelIndex, PCAdj);
   SDValue CPAddr = DAG.getTargetConstantPool(CPV, PtrVT, 4);
   CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
-  SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr, NULL, 0);
+  SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
+                               PseudoSourceValue::getConstantPool(), 0);
   SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
   return DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
 }