Add constpool lowering / printing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76016 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
index 9ec5881..f778197 100644
--- a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
+++ b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
@@ -144,6 +144,9 @@
SetupMachineFunction(MF);
O << "\n\n";
+ // Print out constants referenced by the function
+ EmitConstantPool(MF.getConstantPool());
+
// Print the 'header' of function
emitFunctionHeader(MF);
@@ -258,6 +261,12 @@
<< MO.getIndex();
return;
+ case MachineOperand::MO_ConstantPoolIndex:
+ O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
+ << MO.getIndex();
+
+ printOffset(MO.getOffset());
+ break;
case MachineOperand::MO_GlobalAddress: {
const GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
diff --git a/lib/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index f25c337..83ba64c 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -74,6 +74,10 @@
setOperationAction(ISD::BRCOND, MVT::Other, Expand);
setOperationAction(ISD::BR_CC, MVT::i32, Custom);
setOperationAction(ISD::BR_CC, MVT::i64, Custom);
+ setOperationAction(ISD::BR_CC, MVT::f32, Custom);
+ setOperationAction(ISD::BR_CC, MVT::f64, Custom);
+ setOperationAction(ISD::ConstantPool, MVT::i32, Custom);
+ setOperationAction(ISD::ConstantPool, MVT::i64, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setOperationAction(ISD::JumpTable, MVT::i64, Custom);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
@@ -94,6 +98,8 @@
setOperationAction(ISD::SELECT, MVT::i64, Expand);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i64, Custom);
+ setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
+ setOperationAction(ISD::SELECT_CC, MVT::f64, Custom);
// Funny enough: we don't have 64-bit signed versions of these stuff, but have
// unsigned.
@@ -110,6 +116,7 @@
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(Op, DAG);
case ISD::JumpTable: return LowerJumpTable(Op, DAG);
+ case ISD::ConstantPool: return LowerConstantPool(Op, DAG);
default:
assert(0 && "unimplemented operand");
return SDValue();
@@ -594,7 +601,7 @@
return Result;
}
-
+// FIXME: PIC here
SDValue SystemZTargetLowering::LowerJumpTable(SDValue Op,
SelectionDAG &DAG) {
DebugLoc dl = Op.getDebugLoc();
@@ -604,6 +611,21 @@
return DAG.getNode(SystemZISD::PCRelativeWrapper, dl, getPointerTy(), Result);
}
+
+// FIXME: PIC here
+// FIXME: This is just dirty hack. We need to lower cpool properly
+SDValue SystemZTargetLowering::LowerConstantPool(SDValue Op,
+ SelectionDAG &DAG) {
+ DebugLoc dl = Op.getDebugLoc();
+ ConstantPoolSDNode *CP = cast<ConstantPoolSDNode>(Op);
+
+ SDValue Result = DAG.getTargetConstantPool(CP->getConstVal(), getPointerTy(),
+ CP->getAlignment(),
+ CP->getOffset());
+
+ return DAG.getNode(SystemZISD::PCRelativeWrapper, dl, getPointerTy(), Result);
+}
+
const char *SystemZTargetLowering::getTargetNodeName(unsigned Opcode) const {
switch (Opcode) {
case SystemZISD::RET_FLAG: return "SystemZISD::RET_FLAG";
diff --git a/lib/Target/SystemZ/SystemZISelLowering.h b/lib/Target/SystemZ/SystemZISelLowering.h
index 78eb731..b6d5c60 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/lib/Target/SystemZ/SystemZISelLowering.h
@@ -71,6 +71,7 @@
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG);
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG);
+ SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG);
SDValue LowerCCCArguments(SDValue Op, SelectionDAG &DAG);
SDValue LowerCCCCallTo(SDValue Op, SelectionDAG &DAG, unsigned CC);
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 601d052..ddc8a3a 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -744,8 +744,9 @@
// Non-Instruction Patterns.
//===----------------------------------------------------------------------===//
-// JumpTable
+// ConstPools, JumpTables
def : Pat<(SystemZpcrelwrapper tjumptable:$src), (LA64rm tjumptable:$src)>;
+def : Pat<(SystemZpcrelwrapper tconstpool:$src), (LA64rm tconstpool:$src)>;
// anyext
def : Pat<(i64 (anyext GR32:$src)),