commit 6b67ffd68bb2e555b1b512a809f3c82c68f3debe
author Rafael Espindola <rafael.espindola@gmail.com> Thu May 16 21:02:15 2013 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Thu May 16 21:02:15 2013 +0000
tree 717cc6e707d215b72fe79f427c6b7080c8fb9253
parent 529874cf0cc1686a157c31c750fd10adabaa2f1a

Remove addFrameMove.

Now that we have good testing, remove addFrameMove and create cfi
instructions directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182052 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPCFrameLowering.cpp

diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp
index 3759194..dabe613 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -334,6 +334,7 @@
     *static_cast<const PPCInstrInfo*>(MF.getTarget().getInstrInfo());
 
   MachineModuleInfo &MMI = MF.getMMI();
+  const MCRegisterInfo &MRI = MMI.getContext().getRegisterInfo();
   DebugLoc dl;
   bool needsFrameMoves = MMI.hasDebugInfo() ||
     MF.getFunction()->needsUnwindTableEntry();
@@ -524,20 +525,21 @@
 
     // Show update of SP.
     assert(NegFrameSize);
-    MachineLocation SPDst(MachineLocation::VirtualFP);
-    MachineLocation SPSrc(MachineLocation::VirtualFP, NegFrameSize);
-    MMI.addFrameMove(FrameLabel, SPDst, SPSrc);
+    MMI.addFrameInst(
+        MCCFIInstruction::createDefCfaOffset(FrameLabel, NegFrameSize));
 
     if (HasFP) {
-      MachineLocation FPDst(MachineLocation::VirtualFP, FPOffset);
-      MachineLocation FPSrc(isPPC64 ? PPC::X31 : PPC::R31);
-      MMI.addFrameMove(FrameLabel, FPDst, FPSrc);
+      unsigned Reg = isPPC64 ? PPC::X31 : PPC::R31;
+      Reg = MRI.getDwarfRegNum(Reg, true);
+      MMI.addFrameInst(
+          MCCFIInstruction::createOffset(FrameLabel, Reg, FPOffset));
     }
 
     if (MustSaveLR) {
-      MachineLocation LRDst(MachineLocation::VirtualFP, LROffset);
-      MachineLocation LRSrc(isPPC64 ? PPC::LR8 : PPC::LR);
-      MMI.addFrameMove(FrameLabel, LRDst, LRSrc);
+      unsigned Reg = isPPC64 ? PPC::LR8 : PPC::LR;
+      Reg = MRI.getDwarfRegNum(Reg, true);
+      MMI.addFrameInst(
+          MCCFIInstruction::createOffset(FrameLabel, Reg, LROffset));
     }
   }
 
@@ -561,10 +563,10 @@
       // Mark effective beginning of when frame pointer is ready.
       BuildMI(MBB, MBBI, dl, TII.get(PPC::PROLOG_LABEL)).addSym(ReadyLabel);
 
-      MachineLocation FPDst(HasFP ? (isPPC64 ? PPC::X31 : PPC::R31) :
-                                    (isPPC64 ? PPC::X1 : PPC::R1));
-      MachineLocation FPSrc(MachineLocation::VirtualFP);
-      MMI.addFrameMove(ReadyLabel, FPDst, FPSrc);
+      unsigned Reg = HasFP ? (isPPC64 ? PPC::X31 : PPC::R31)
+                           : (isPPC64 ? PPC::X1 : PPC::R1);
+      Reg = MRI.getDwarfRegNum(Reg, true);
+      MMI.addFrameInst(MCCFIInstruction::createDefCfaRegister(ReadyLabel, Reg));
     }
   }
 
@@ -594,16 +596,14 @@
       if (Subtarget.isSVR4ABI()
 	  && Subtarget.isPPC64()
 	  && (PPC::CR2 <= Reg && Reg <= PPC::CR4)) {
-	MachineLocation CSDst(PPC::X1, 8);
-	MachineLocation CSSrc(PPC::CR2);
-	MMI.addFrameMove(Label, CSDst, CSSrc);
+        MMI.addFrameInst(MCCFIInstruction::createOffset(
+            Label, MRI.getDwarfRegNum(PPC::CR2, true), 8));
 	continue;
       }
 
       int Offset = MFI->getObjectOffset(CSI[I].getFrameIdx());
-      MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
-      MachineLocation CSSrc(Reg);
-      MMI.addFrameMove(Label, CSDst, CSSrc);
+      MMI.addFrameInst(MCCFIInstruction::createOffset(
+          Label, MRI.getDwarfRegNum(Reg, true), Offset));
     }
   }
 }