From 59f948dbb4fcbbb2456db92a55d307cdfbfd8307 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 12 Aug 2026 03:22:55 +0800
Subject: [MIR] Remove alternate layout and float APIs

---
 backend/include/rcc/CodeGen/LowLevelType.h   | 1 -
 backend/include/rcc/MIR/LLVMConstantSyntax.h | 1 -
 backend/include/rcc/MIR/MIParser.h           | 1 -
 backend/include/rcc/MIR/MIRDocument.h        | 2 --
 4 files changed, 5 deletions(-)

(limited to 'backend/include/rcc')

diff --git a/backend/include/rcc/CodeGen/LowLevelType.h b/backend/include/rcc/CodeGen/LowLevelType.h
index 1ff9ab5..116ffd5 100644
--- a/backend/include/rcc/CodeGen/LowLevelType.h
+++ b/backend/include/rcc/CodeGen/LowLevelType.h
@@ -22,7 +22,6 @@ enum class FloatSemantics : std::uint8_t {
   IEEEDouble,
   IEEEQuad,
   PPCDoubleDouble,
-  PPCDoubleDoubleLegacy,
   Float8E5M2,
   Float8E5M2FNUZ,
   Float8E4M3,
diff --git a/backend/include/rcc/MIR/LLVMConstantSyntax.h b/backend/include/rcc/MIR/LLVMConstantSyntax.h
index 9d7a7d4..a47da54 100644
--- a/backend/include/rcc/MIR/LLVMConstantSyntax.h
+++ b/backend/include/rcc/MIR/LLVMConstantSyntax.h
@@ -21,7 +21,6 @@ struct LLVMNamedTypeDefinition final {
 };
 
 struct LLVMConstantSyntaxOptions final {
-  std::uint32_t DefaultPointerSizeInBits = 0;
   std::string_view DataLayout;
   std::span<const LLVMNamedTypeDefinition> NamedTypes;
   std::size_t MaximumDepth = 1024;
diff --git a/backend/include/rcc/MIR/MIParser.h b/backend/include/rcc/MIR/MIParser.h
index 16af534..b660f47 100644
--- a/backend/include/rcc/MIR/MIParser.h
+++ b/backend/include/rcc/MIR/MIParser.h
@@ -68,7 +68,6 @@ struct MIParserContext final {
   std::function<bool(std::string_view)> HasIRBlock;
   std::function<Expected<SyncScopeID>(std::string_view)> InternSyncScope;
   std::function<Expected<std::uint32_t>(std::uint32_t)> PointerSizeInBits;
-  std::uint32_t DefaultPointerSizeInBits = 0;
 };
 
 struct MIParserOptions final {
diff --git a/backend/include/rcc/MIR/MIRDocument.h b/backend/include/rcc/MIR/MIRDocument.h
index 7980ca1..6041657 100644
--- a/backend/include/rcc/MIR/MIRDocument.h
+++ b/backend/include/rcc/MIR/MIRDocument.h
@@ -78,7 +78,6 @@ struct MIRDocumentParserOptions final {
   yaml::ParseOptions YAML;
   MIParserOptions MachineInstructions;
   std::string DataLayout;
-  std::uint32_t DefaultPointerSizeInBits = 0;
   bool VerifyMachineFunctions = true;
 };
 
@@ -130,7 +129,6 @@ struct MIRDocumentPrinterOptions final {
   MIPrintMode Mode = MIPrintMode::Complete;
   bool EmitEmbeddedIR = true;
   std::string DataLayout;
-  std::uint32_t DefaultPointerSizeInBits = 0;
 };
 
 [[nodiscard]] Expected<std::string> printMIRDocument(const MIRDocument &Document,
-- 
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