Lower thumbv4t & thumbv5 lo->lo copies through a push-pop sequence

[oota-llvm.git] / lib / Target / ARM / ARMExpandPseudoInsts.cpp

diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index 6045738e2e34f2d2371b170723d49648d0a6516c..2d805185e6cdd19a5d54dcc74a308fafe6dfa042 100644 (file)
--- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -867,7 +867,7 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
       if (RI.hasBasePointer(MF)) {
         int32_t NumBytes = AFI->getFramePtrSpillOffset();
         unsigned FramePtr = RI.getFrameRegister(MF);
-        assert(MF.getTarget().getFrameLowering()->hasFP(MF) &&
+        assert(MF.getSubtarget().getFrameLowering()->hasFP(MF) &&
                "base pointer without frame pointer?");
 
         if (AFI->isThumb2Function()) {
@@ -927,10 +927,16 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
     }
     case ARM::tTPsoft:
     case ARM::TPsoft: {
-      MachineInstrBuilder MIB =
-        BuildMI(MBB, MBBI, MI.getDebugLoc(),
-                TII->get(Opcode == ARM::tTPsoft ? ARM::tBL : ARM::BL))
-        .addExternalSymbol("__aeabi_read_tp", 0);
+      MachineInstrBuilder MIB;
+      if (Opcode == ARM::tTPsoft)
+        MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+                      TII->get( ARM::tBL))
+              .addImm((unsigned)ARMCC::AL).addReg(0)
+              .addExternalSymbol("__aeabi_read_tp", 0);
+      else
+        MIB = BuildMI(MBB, MBBI, MI.getDebugLoc(),
+                      TII->get( ARM::BL))
+              .addExternalSymbol("__aeabi_read_tp", 0);
 
       MIB->setMemRefs(MI.memoperands_begin(), MI.memoperands_end());
       TransferImpOps(MI, MIB, MIB);
@@ -1337,8 +1343,9 @@ bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) {
 
 bool ARMExpandPseudo::runOnMachineFunction(MachineFunction &MF) {
   const TargetMachine &TM = MF.getTarget();
-  TII = static_cast<const ARMBaseInstrInfo*>(TM.getInstrInfo());
-  TRI = TM.getRegisterInfo();
+  TII = static_cast<const ARMBaseInstrInfo *>(
+      TM.getSubtargetImpl()->getInstrInfo());
+  TRI = TM.getSubtargetImpl()->getRegisterInfo();
   STI = &TM.getSubtarget<ARMSubtarget>();
   AFI = MF.getInfo<ARMFunctionInfo>();