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authorAkira Hatanaka <ahatanak@gmail.com>2011-04-02 00:15:58 +0000
committerAkira Hatanaka <ahatanak@gmail.com>2011-04-02 00:15:58 +0000
commitdc1652fd311073492a169101b8b6e1d725dca280 (patch)
tree7404a4a7c952780ae3686316c243ca983049f1ee /lib
parent103bf951a4d221a9cff4a5a4766754cf0cb126f4 (diff)
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Insert space before ';' to prevent warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128750 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/Mips/MipsAsmPrinter.cpp2
-rw-r--r--lib/Target/Mips/MipsISelDAGToDAG.cpp58
-rw-r--r--lib/Target/Mips/MipsISelLowering.cpp28
3 files changed, 28 insertions, 60 deletions
diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index ac670e1058..718110fcbf 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -270,7 +270,7 @@ bool MipsAsmPrinter::isBlockOnlyReachableByFallthrough(const MachineBasicBlock *
// Otherwise, check the last instruction.
// Check if the last terminator is an unconditional branch.
MachineBasicBlock::const_iterator I = Pred->end();
- while (I != Pred->begin() && !(--I)->getDesc().isTerminator());
+ while (I != Pred->begin() && !(--I)->getDesc().isTerminator()) ;
return !I->getDesc().isBarrier();
}
diff --git a/lib/Target/Mips/MipsISelDAGToDAG.cpp b/lib/Target/Mips/MipsISelDAGToDAG.cpp
index 3749009112..0382964fe9 100644
--- a/lib/Target/Mips/MipsISelDAGToDAG.cpp
+++ b/lib/Target/Mips/MipsISelDAGToDAG.cpp
@@ -122,7 +122,8 @@ SelectAddr(SDValue Addr, SDValue &Offset, SDValue &Base) {
if ((Addr.getOpcode() == ISD::TargetGlobalAddress) ||
(Addr.getOpcode() == ISD::TargetConstantPool) ||
(Addr.getOpcode() == ISD::TargetJumpTable) ||
- (Addr.getOpcode() == ISD::TargetBlockAddress)) {
+ (Addr.getOpcode() == ISD::TargetBlockAddress) ||
+ (Addr.getOpcode() == ISD::TargetExternalSymbol)) {
Base = CurDAG->getRegister(Mips::GP, MVT::i32);
Offset = Addr;
return true;
@@ -444,61 +445,6 @@ SDNode* MipsDAGToDAGISel::Select(SDNode *Node) {
return ResNode;
// Other cases are autogenerated.
break;
-
- /// Handle direct and indirect calls when using PIC. On PIC, when
- /// GOT is smaller than about 64k (small code) the GA target is
- /// loaded with only one instruction. Otherwise GA's target must
- /// be loaded with 3 instructions.
- case MipsISD::JmpLink: {
- if (TM.getRelocationModel() == Reloc::PIC_) {
- unsigned LastOpNum = Node->getNumOperands()-1;
-
- SDValue Chain = Node->getOperand(0);
- SDValue Callee = Node->getOperand(1);
- SDValue InFlag;
-
- // Skip the incomming flag if present
- if (Node->getOperand(LastOpNum).getValueType() == MVT::Glue)
- LastOpNum--;
-
- if ( (isa<GlobalAddressSDNode>(Callee)) ||
- (isa<ExternalSymbolSDNode>(Callee)) )
- {
- /// Direct call for global addresses and external symbols
- SDValue GPReg = CurDAG->getRegister(Mips::GP, MVT::i32);
-
- // Use load to get GOT target
- SDValue Ops[] = { Callee, GPReg, Chain };
- SDValue Load = SDValue(CurDAG->getMachineNode(Mips::LW, dl, MVT::i32,
- MVT::Other, Ops, 3), 0);
- Chain = Load.getValue(1);
-
- // Call target must be on T9
- Chain = CurDAG->getCopyToReg(Chain, dl, Mips::T9, Load, InFlag);
- } else
- /// Indirect call
- Chain = CurDAG->getCopyToReg(Chain, dl, Mips::T9, Callee, InFlag);
-
- // Map the JmpLink operands to JALR
- SDVTList NodeTys = CurDAG->getVTList(MVT::Other, MVT::Glue);
- SmallVector<SDValue, 8> Ops;
- Ops.push_back(CurDAG->getRegister(Mips::T9, MVT::i32));
-
- for (unsigned i = 2, e = LastOpNum+1; i != e; ++i)
- Ops.push_back(Node->getOperand(i));
- Ops.push_back(Chain);
- Ops.push_back(Chain.getValue(1));
-
- // Emit Jump and Link Register
- SDNode *ResNode = CurDAG->getMachineNode(Mips::JALR, dl, NodeTys,
- &Ops[0], Ops.size());
-
- // Replace Chain and InFlag
- ReplaceUses(SDValue(Node, 0), SDValue(ResNode, 0));
- ReplaceUses(SDValue(Node, 1), SDValue(ResNode, 1));
- return ResNode;
- }
- }
}
// Select the default instruction
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 59ad81b5a7..20df9c8632 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -1201,12 +1201,34 @@ MipsTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
// direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol
// node so that legalize doesn't hack it.
unsigned char OpFlag = IsPIC ? MipsII::MO_GOT_CALL : MipsII::MO_NO_FLAG;
- if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee))
+ bool LoadSymAddr = false;
+
+ if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), dl,
- getPointerTy(), 0, OpFlag);
- else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee))
+ getPointerTy(), 0, OpFlag);
+ LoadSymAddr = true;
+ }
+ else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee)) {
Callee = DAG.getTargetExternalSymbol(S->getSymbol(),
getPointerTy(), OpFlag);
+ LoadSymAddr = true;
+ }
+
+ // Create nodes that load address of callee and copy it to T9
+ if (IsPIC) {
+ if (LoadSymAddr) {
+ // load callee address
+ Callee = DAG.getLoad(MVT::i32, dl, Chain, Callee,
+ MachinePointerInfo::getGOT(),
+ false, false, 0);
+ Chain = Callee.getValue(1);
+ }
+
+ // copy to T9
+ Chain = DAG.getCopyToReg(Chain, dl, Mips::T9, Callee, SDValue(0, 0));
+ InFlag = Chain.getValue(1);
+ Callee = DAG.getRegister(Mips::T9, MVT::i32);
+ }
// MipsJmpLink = #chain, #target_address, #opt_in_flags...
// = Chain, Callee, Reg#1, Reg#2, ...