6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

MIR Serialization: Serialize the variable sized stack objects.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242095 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-14 00:26:26 +00:00
parent b53f724f91
commit dee03ee0f9
6 changed files with 101 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/llvm/CodeGen/MIRYamlMapping.h
View File

@@ -129,9 +129,8 @@ template <> struct MappingTraits<MachineBasicBlock> {
///
/// TODO: Determine isPreallocated flag by mapping between objects and local
/// objects (Serialize local objects).
/// TODO: Serialize variable sized objects.
struct MachineStackObject {
enum ObjectType { DefaultType, SpillSlot };
enum ObjectType { DefaultType, SpillSlot, VariableSized };
// TODO: Serialize LLVM alloca reference.
unsigned ID;
ObjectType Type = DefaultType;
@@ -144,6 +143,7 @@ template <> struct ScalarEnumerationTraits<MachineStackObject::ObjectType> {
static void enumeration(yaml::IO &IO, MachineStackObject::ObjectType &Type) {
IO.enumCase(Type, "default", MachineStackObject::DefaultType);
IO.enumCase(Type, "spill-slot", MachineStackObject::SpillSlot);
IO.enumCase(Type, "variable-sized", MachineStackObject::VariableSized);
}
};
@@ -154,7 +154,8 @@ template <> struct MappingTraits<MachineStackObject> {
"type", Object.Type,
MachineStackObject::DefaultType); // Don't print the default type.
YamlIO.mapOptional("offset", Object.Offset);
YamlIO.mapRequired("size", Object.Size);
if (Object.Type != MachineStackObject::VariableSized)
YamlIO.mapRequired("size", Object.Size);
YamlIO.mapOptional("alignment", Object.Alignment);
}

8
include/llvm/CodeGen/MachineFrameInfo.h
View File

@@ -541,6 +541,14 @@ public:
return Objects[ObjectIdx+NumFixedObjects].Size == ~0ULL;
}
/// Returns true if the specified index corresponds to a variable sized
/// object.
bool isVariableSizedObjectIndex(int ObjectIdx) const {
assert(unsigned(ObjectIdx + NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
return Objects[ObjectIdx + NumFixedObjects].Size == 0;
}
/// Create a new statically sized stack object, returning
/// a nonnegative identifier to represent it.
int CreateStackObject(uint64_t Size, unsigned Alignment, bool isSS,