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MIR Serialization: Initial serialization of machine constant pools.

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This commit implements the initial serialization of machine constant pools and
the constant pool index machine operands. The constant pool is serialized using
a YAML sequence of YAML mappings that represent the constant values.
The target-specific constant pool items aren't serialized by this commit.

Reviewers: Duncan P. N. Exon Smith


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242707 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-20 20:51:18 +00:00
parent ca221d01d0
commit 0e4484f44d
10 changed files with 278 additions and 1 deletions
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17
include/llvm/CodeGen/MIRYamlMapping.h
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@@ -223,6 +223,20 @@ template <> struct MappingTraits<FixedMachineStackObject> {
static const bool flow = true;
};
struct MachineConstantPoolValue {
unsigned ID;
StringValue Value;
unsigned Alignment = 0;
};
template <> struct MappingTraits<MachineConstantPoolValue> {
static void mapping(IO &YamlIO, MachineConstantPoolValue &Constant) {
YamlIO.mapRequired("id", Constant.ID);
YamlIO.mapOptional("value", Constant.Value);
YamlIO.mapOptional("alignment", Constant.Alignment);
}
};
struct MachineJumpTable {
struct Entry {
unsigned ID;
@@ -247,6 +261,7 @@ LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::VirtualRegisterDefinition)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineBasicBlock)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineStackObject)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::FixedMachineStackObject)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineConstantPoolValue)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::MachineJumpTable::Entry)
namespace llvm {
@@ -320,6 +335,7 @@ struct MachineFunction {
MachineFrameInfo FrameInfo;
std::vector<FixedMachineStackObject> FixedStackObjects;
std::vector<MachineStackObject> StackObjects;
std::vector<MachineConstantPoolValue> Constants; /// Constant pool.
MachineJumpTable JumpTableInfo;
std::vector<MachineBasicBlock> BasicBlocks;
@@ -338,6 +354,7 @@ template <> struct MappingTraits<MachineFunction> {
YamlIO.mapOptional("frameInfo", MF.FrameInfo);
YamlIO.mapOptional("fixedStack", MF.FixedStackObjects);
YamlIO.mapOptional("stack", MF.StackObjects);
YamlIO.mapOptional("constants", MF.Constants);
if (!YamlIO.outputting() || !MF.JumpTableInfo.Entries.empty())
YamlIO.mapOptional("jumpTable", MF.JumpTableInfo);
YamlIO.mapOptional("body", MF.BasicBlocks);