From 9ae4dec7b8ce79587bde200fa8fadefe7f81d2bf Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Wed, 12 Aug 2026 00:06:12 +0800 Subject: [MIR] Accept empty optional register fields --- backend/lib/MIR/MIRFrameParser.cpp | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'backend/lib/MIR/MIRFrameParser.cpp') diff --git a/backend/lib/MIR/MIRFrameParser.cpp b/backend/lib/MIR/MIRFrameParser.cpp index 9e21dfc..176bf25 100644 --- a/backend/lib/MIR/MIRFrameParser.cpp +++ b/backend/lib/MIR/MIRFrameParser.cpp @@ -168,10 +168,15 @@ bool MIRDocumentParser::parseStackObjects(const yaml::Node &Root, MachineFunctio return true; } if (const yaml::Node *SavedNode = mappingValue(*Element, "callee-saved-register")) { - PhysicalRegister Reg; - if (physicalRegister(*SavedNode, Reg)) + std::string_view SavedName; + if (scalar(*SavedNode, SavedName, "physical register")) return true; - Description.CalleeSavedRegister = Reg; + if (!trim(SavedName).empty()) { + PhysicalRegister Reg; + if (physicalRegister(SavedName, SavedNode->range(), Reg)) + return true; + Description.CalleeSavedRegister = Reg; + } } if (const yaml::Node *RestoredNode = mappingValue(*Element, "callee-saved-restored")) { if (boolean(*RestoredNode, Description.CalleeSavedRestored)) -- cgit v1.2.3