Add an ARMConstantPool class for external symbols. This will split out the support for external symbols from the base class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140938 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMConstantPoolValue.cpp b/lib/Target/ARM/ARMConstantPoolValue.cpp
index 1061c6a..2d2ab88 100644
--- a/lib/Target/ARM/ARMConstantPoolValue.cpp
+++ b/lib/Target/ARM/ARMConstantPoolValue.cpp
@@ -35,6 +35,15 @@
PCAdjust(PCAdj), Modifier(modifier),
AddCurrentAddress(addCurrentAddress) {}
+ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C, unsigned id,
+ ARMCP::ARMCPKind kind,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier modifier,
+ bool addCurrentAddress)
+ : MachineConstantPoolValue((Type*)Type::getInt32Ty(C)),
+ LabelId(id), Kind(kind), PCAdjust(PCAdj), Modifier(modifier),
+ AddCurrentAddress(addCurrentAddress) {}
+
ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C,
const MachineBasicBlock *mbb,
unsigned id,
@@ -55,6 +64,10 @@
S(strdup(s)), LabelId(id), Kind(ARMCP::CPExtSymbol),
PCAdjust(PCAdj), Modifier(Modif), AddCurrentAddress(AddCA) {}
+ARMConstantPoolValue::~ARMConstantPoolValue() {
+ free((void*)S);
+}
+
const MachineBasicBlock *ARMConstantPoolValue::getMBB() const {
return MBB;
}
@@ -101,10 +114,6 @@
return -1;
}
-ARMConstantPoolValue::~ARMConstantPoolValue() {
- free((void*)S);
-}
-
void
ARMConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
ID.AddPointer(S);
@@ -245,3 +254,68 @@
O << CVal->getName();
ARMConstantPoolValue::print(O);
}
+
+//===----------------------------------------------------------------------===//
+// ARMConstantPoolSymbol
+//===----------------------------------------------------------------------===//
+
+ARMConstantPoolSymbol::ARMConstantPoolSymbol(LLVMContext &C, const char *s,
+ unsigned id,
+ unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress)
+ : ARMConstantPoolValue(C, id, ARMCP::CPExtSymbol, PCAdj, Modifier,
+ AddCurrentAddress),
+ S(strdup(s)) {}
+
+ARMConstantPoolSymbol::~ARMConstantPoolSymbol() {
+ free((void*)S);
+}
+
+ARMConstantPoolSymbol *
+ARMConstantPoolSymbol::Create(LLVMContext &C, const char *s,
+ unsigned ID, unsigned char PCAdj,
+ ARMCP::ARMCPModifier Modifier,
+ bool AddCurrentAddress) {
+ return new ARMConstantPoolSymbol(C, s, ID, PCAdj, Modifier,
+ AddCurrentAddress);
+}
+
+int ARMConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment) {
+ unsigned AlignMask = Alignment - 1;
+ const std::vector<MachineConstantPoolEntry> Constants = CP->getConstants();
+ for (unsigned i = 0, e = Constants.size(); i != e; ++i) {
+ if (Constants[i].isMachineConstantPoolEntry() &&
+ (Constants[i].getAlignment() & AlignMask) == 0) {
+ ARMConstantPoolValue *CPV =
+ (ARMConstantPoolValue *)Constants[i].Val.MachineCPVal;
+ ARMConstantPoolSymbol *APS = dyn_cast<ARMConstantPoolSymbol>(CPV);
+ if (!APS) continue;
+
+ if (APS->getLabelId() == this->getLabelId() &&
+ APS->getPCAdjustment() == this->getPCAdjustment() &&
+ CPV_streq(APS->getSymbol(), this->getSymbol()) &&
+ APS->getModifier() == this->getModifier())
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+bool ARMConstantPoolSymbol::hasSameValue(ARMConstantPoolValue *ACPV) {
+ const ARMConstantPoolSymbol *ACPS = dyn_cast<ARMConstantPoolSymbol>(ACPV);
+ return ACPS && CPV_streq(ACPS->S, S) &&
+ ARMConstantPoolValue::hasSameValue(ACPV);
+}
+
+void ARMConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
+ ID.AddPointer(S);
+ ARMConstantPoolValue::addSelectionDAGCSEId(ID);
+}
+
+void ARMConstantPoolSymbol::print(raw_ostream &O) const {
+ O << S;
+ ARMConstantPoolValue::print(O);
+}