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MIR Serialization: Serialize simple MachineRegisterInfo attributes.

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This commit serializes the 3 scalar boolean attributes from the
MachineRegisterInfo class: IsSSA, TracksRegLiveness, and
TracksSubRegLiveness. These attributes are serialized as part
of the machine function YAML mapping.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10618


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240579 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-24 19:56:10 +00:00
parent fa21ae52f0
commit c9a4f3d5d9
5 changed files with 79 additions and 4 deletions
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10
lib/CodeGen/MIRPrinter.cpp
View File

@ -15,6 +15,7 @@
#include "MIRPrinter.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/MIRYamlMapping.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Module.h"
@ -38,6 +39,7 @@ public:
void print(const MachineFunction &MF);
void convert(yaml::MachineFunction &MF, const MachineRegisterInfo &RegInfo);
void convert(yaml::MachineBasicBlock &YamlMBB, const MachineBasicBlock &MBB);
};
@ -78,6 +80,7 @@ void MIRPrinter::print(const MachineFunction &MF) {
YamlMF.Alignment = MF.getAlignment();
YamlMF.ExposesReturnsTwice = MF.exposesReturnsTwice();
YamlMF.HasInlineAsm = MF.hasInlineAsm();
convert(YamlMF, MF.getRegInfo());
for (const auto &MBB : MF) {
yaml::MachineBasicBlock YamlMBB;
convert(YamlMBB, MBB);
@ -87,6 +90,13 @@ void MIRPrinter::print(const MachineFunction &MF) {
Out << YamlMF;
}
void MIRPrinter::convert(yaml::MachineFunction &MF,
const MachineRegisterInfo &RegInfo) {
MF.IsSSA = RegInfo.isSSA();
MF.TracksRegLiveness = RegInfo.tracksLiveness();
MF.TracksSubRegLiveness = RegInfo.subRegLivenessEnabled();
}
void MIRPrinter::convert(yaml::MachineBasicBlock &YamlMBB,
const MachineBasicBlock &MBB) {
// TODO: Serialize unnamed BB references.