[llvm] [llvm][RISCV] Support multiple save/restore points in prolog-epilog (PR #119358)

[Craig Topper via llvm-commits]

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@@ -1058,8 +1053,40 @@ bool MIRParserImpl::initializeConstantPool(PerFunctionMIParsingState &PFS,
   return false;
 }
 
-bool MIRParserImpl::initializeJumpTableInfo(PerFunctionMIParsingState &PFS,
-    const yaml::MachineJumpTable &YamlJTI) {
+bool MIRParserImpl::initializeSaveRestorePoints(
+    PerFunctionMIParsingState &PFS, const yaml::SaveRestorePoints &YamlSRP,
+    bool IsSavePoints) {
+  SMDiagnostic Error;
+  MachineFunction &MF = PFS.MF;
+  MachineFrameInfo &MFI = MF.getFrameInfo();
+  llvm::SaveRestorePoints SRPoints;
+
+  for (const auto &Entry : YamlSRP) {
+    const auto &MBBSource = Entry.Point;
+    MachineBasicBlock *MBB = nullptr;
+    if (parseMBBReference(PFS, MBB, MBBSource.Value))
+      return true;
+
+    std::vector<Register> Registers{};
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topperc wrote:

No need for the curly braces

https://github.com/llvm/llvm-project/pull/119358