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Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.cpp43
1 files changed, 33 insertions, 10 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index b6ce5ddb703..c468b906e52 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -133,7 +133,7 @@ static TargetLoweringObjectFile *createTLOF(TargetMachine &TM) {
}
ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
- : TargetLowering(TM, createTLOF(TM)), ARMPCLabelIndex(0) {
+ : TargetLowering(TM, createTLOF(TM)) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
if (Subtarget->isTargetDarwin()) {
@@ -1004,6 +1004,8 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
bool isDirect = false;
bool isARMFunc = false;
bool isLocalARMFunc = false;
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
GlobalValue *GV = G->getGlobal();
isDirect = true;
@@ -1015,6 +1017,7 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
isLocalARMFunc = !Subtarget->isThumb() && !isExt;
// tBX takes a register source operand.
if (isARMFunc && Subtarget->isThumb1Only() && !Subtarget->hasV5TOps()) {
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(GV,
ARMPCLabelIndex,
ARMCP::CPValue, 4);
@@ -1023,7 +1026,7 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
PseudoSourceValue::getConstantPool(), 0);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
} else
@@ -1036,6 +1039,7 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
// tBX takes a register source operand.
const char *Sym = S->getSymbol();
if (isARMFunc && Subtarget->isThumb1Only() && !Subtarget->hasV5TOps()) {
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(*DAG.getContext(),
Sym, ARMPCLabelIndex, 4);
SDValue CPAddr = DAG.getTargetConstantPool(CPV, getPointerTy(), 4);
@@ -1043,7 +1047,7 @@ ARMTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
Callee = DAG.getLoad(getPointerTy(), dl,
DAG.getEntryNode(), CPAddr,
PseudoSourceValue::getConstantPool(), 0);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Callee = DAG.getNode(ARMISD::PIC_ADD, dl,
getPointerTy(), Callee, PICLabel);
} else
@@ -1208,6 +1212,9 @@ static SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) {
}
SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) {
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = 0;
DebugLoc DL = Op.getDebugLoc();
EVT PtrVT = getPointerTy();
BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
@@ -1217,6 +1224,7 @@ SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) {
CPAddr = DAG.getTargetConstantPool(BA, PtrVT, 4);
} else {
unsigned PCAdj = Subtarget->isThumb() ? 4 : 8;
+ ARMPCLabelIndex = AFI->createConstPoolEntryUId();
ARMConstantPoolValue *CPV = new ARMConstantPoolValue(BA, ARMPCLabelIndex,
ARMCP::CPBlockAddress,
PCAdj);
@@ -1227,7 +1235,7 @@ SDValue ARMTargetLowering::LowerBlockAddress(SDValue Op, SelectionDAG &DAG) {
PseudoSourceValue::getConstantPool(), 0);
if (RelocM == Reloc::Static)
return Result;
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
return DAG.getNode(ARMISD::PIC_ADD, DL, PtrVT, Result, PICLabel);
}
@@ -1238,6 +1246,9 @@ ARMTargetLowering::LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA,
DebugLoc dl = GA->getDebugLoc();
EVT PtrVT = getPointerTy();
unsigned char PCAdj = Subtarget->isThumb() ? 4 : 8;
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GA->getGlobal(), ARMPCLabelIndex,
ARMCP::CPValue, PCAdj, "tlsgd", true);
@@ -1247,7 +1258,7 @@ ARMTargetLowering::LowerToTLSGeneralDynamicModel(GlobalAddressSDNode *GA,
PseudoSourceValue::getConstantPool(), 0);
SDValue Chain = Argument.getValue(1);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Argument = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Argument, PICLabel);
// call __tls_get_addr.
@@ -1279,7 +1290,10 @@ ARMTargetLowering::LowerToTLSExecModels(GlobalAddressSDNode *GA,
SDValue ThreadPointer = DAG.getNode(ARMISD::THREAD_POINTER, dl, PtrVT);
if (GV->isDeclaration()) {
- // initial exec model
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
+ // Initial exec model.
unsigned char PCAdj = Subtarget->isThumb() ? 4 : 8;
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GA->getGlobal(), ARMPCLabelIndex,
@@ -1290,7 +1304,7 @@ ARMTargetLowering::LowerToTLSExecModels(GlobalAddressSDNode *GA,
PseudoSourceValue::getConstantPool(), 0);
Chain = Offset.getValue(1);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Offset = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Offset, PICLabel);
Offset = DAG.getLoad(PtrVT, dl, Chain, Offset,
@@ -1355,6 +1369,9 @@ SDValue ARMTargetLowering::LowerGlobalAddressELF(SDValue Op,
SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op,
SelectionDAG &DAG) {
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = 0;
EVT PtrVT = getPointerTy();
DebugLoc dl = Op.getDebugLoc();
GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
@@ -1363,6 +1380,7 @@ SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op,
if (RelocM == Reloc::Static)
CPAddr = DAG.getTargetConstantPool(GV, PtrVT, 4);
else {
+ ARMPCLabelIndex = AFI->createConstPoolEntryUId();
unsigned PCAdj = (RelocM != Reloc::PIC_) ? 0 : (Subtarget->isThumb()?4:8);
ARMConstantPoolValue *CPV =
new ARMConstantPoolValue(GV, ARMPCLabelIndex, ARMCP::CPValue, PCAdj);
@@ -1375,7 +1393,7 @@ SDValue ARMTargetLowering::LowerGlobalAddressDarwin(SDValue Op,
SDValue Chain = Result.getValue(1);
if (RelocM == Reloc::PIC_) {
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Result = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
@@ -1390,6 +1408,9 @@ SDValue ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDValue Op,
SelectionDAG &DAG){
assert(Subtarget->isTargetELF() &&
"GLOBAL OFFSET TABLE not implemented for non-ELF targets");
+ MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
EVT PtrVT = getPointerTy();
DebugLoc dl = Op.getDebugLoc();
unsigned PCAdj = Subtarget->isThumb() ? 4 : 8;
@@ -1400,7 +1421,7 @@ SDValue ARMTargetLowering::LowerGLOBAL_OFFSET_TABLE(SDValue Op,
CPAddr = DAG.getNode(ARMISD::Wrapper, dl, MVT::i32, CPAddr);
SDValue Result = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), CPAddr,
PseudoSourceValue::getConstantPool(), 0);
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
return DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
@@ -1416,6 +1437,8 @@ ARMTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) {
}
case Intrinsic::eh_sjlj_lsda: {
MachineFunction &MF = DAG.getMachineFunction();
+ ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+ unsigned ARMPCLabelIndex = AFI->createConstPoolEntryUId();
EVT PtrVT = getPointerTy();
DebugLoc dl = Op.getDebugLoc();
Reloc::Model RelocM = getTargetMachine().getRelocationModel();
@@ -1433,7 +1456,7 @@ ARMTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op, SelectionDAG &DAG) {
SDValue Chain = Result.getValue(1);
if (RelocM == Reloc::PIC_) {
- SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex++, MVT::i32);
+ SDValue PICLabel = DAG.getConstant(ARMPCLabelIndex, MVT::i32);
Result = DAG.getNode(ARMISD::PIC_ADD, dl, PtrVT, Result, PICLabel);
}
return Result;
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