[llvm] r192160 - [Sparc] Do not hardcode nop in the delay slot of TLS_CALL. Use DelaySlotFiller to fill the delay slot instead.

[Venkatraman Govindaraju]

Author: venkatra
Date: Mon Oct  7 21:50:29 2013
New Revision: 192160

URL: http://llvm.org/viewvc/llvm-project?rev=192160&view=rev
Log:
[Sparc] Do not hardcode nop in the delay slot of TLS_CALL. Use DelaySlotFiller to fill the delay slot instead.

Modified:
    llvm/trunk/lib/Target/Sparc/DelaySlotFiller.cpp
    llvm/trunk/lib/Target/Sparc/SparcInstrInfo.td

Modified: llvm/trunk/lib/Target/Sparc/DelaySlotFiller.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/DelaySlotFiller.cpp?rev=192160&r1=192159&r2=192160&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/DelaySlotFiller.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/DelaySlotFiller.cpp Mon Oct  7 21:50:29 2013
@@ -169,7 +169,7 @@ Filler::findDelayInstr(MachineBasicBlock
   if (slot == MBB.begin())
     return MBB.end();
 
-  if (slot->getOpcode() == SP::RET)
+  if (slot->getOpcode() == SP::RET || slot->getOpcode() == SP::TLS_CALL)
     return MBB.end();
 
   if (slot->getOpcode() == SP::RETL) {
@@ -355,6 +355,7 @@ bool Filler::needsUnimp(MachineBasicBloc
   case SP::CALL: structSizeOpNum = 1; break;
   case SP::JMPLrr:
   case SP::JMPLri: structSizeOpNum = 2; break;
+  case SP::TLS_CALL: return false;
   }
 
   const MachineOperand &MO = I->getOperand(structSizeOpNum);

Modified: llvm/trunk/lib/Target/Sparc/SparcInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstrInfo.td?rev=192160&r1=192159&r2=192160&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Sparc/SparcInstrInfo.td Mon Oct  7 21:50:29 2013
@@ -845,10 +845,10 @@ let mayLoad = 1 in
                       [(set i32:$dst,
                           (tlsld ADDRrr:$addr, tglobaltlsaddr:$sym))]>;
 
-let Uses = [O6], isCall = 1 in
+let Uses = [O6], isCall = 1, hasDelaySlot = 1 in
   def TLS_CALL : InstSP<(outs),
                         (ins calltarget:$disp, TLSSym:$sym, variable_ops),
-                        "call $disp, $sym\n\tnop",
+                        "call $disp, $sym",
                         [(tlscall texternalsym:$disp, tglobaltlsaddr:$sym)]> {
   bits<30> disp;
   let op = 1;