From aa69e15c6909c3b162b15f5326f0a72ba9bb7163 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Thu, 13 Aug 2026 23:55:38 +0800
Subject: [CodeGen] Unify scalar low-level types

---
 backend/include/rcc/CodeGen/TargetCallLowering.h | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

(limited to 'backend/include/rcc/CodeGen/TargetCallLowering.h')

diff --git a/backend/include/rcc/CodeGen/TargetCallLowering.h b/backend/include/rcc/CodeGen/TargetCallLowering.h
index 9d9b98b..21b5407 100644
--- a/backend/include/rcc/CodeGen/TargetCallLowering.h
+++ b/backend/include/rcc/CodeGen/TargetCallLowering.h
@@ -33,6 +33,14 @@ enum class ABIExtensionKind : std::uint8_t {
   Count,
 };
 
+enum class ABIValueCategory : std::uint8_t {
+  Invalid,
+  Integer,
+  FloatingPoint,
+  Pointer,
+  Count,
+};
+
 enum class ABIValueFlag : std::uint8_t {
   ByVal,
   StructReturn,
@@ -71,7 +79,8 @@ private:
 
 struct ABIValue final {
   Register Value;
-  LLT Type;
+  LowLevelType Type;
+  ABIValueCategory Category = ABIValueCategory::Invalid;
   std::uint32_t OriginalValue = 0;
   std::uint16_t FragmentIndex = 0;
   std::uint16_t FragmentCount = 1;
@@ -222,8 +231,8 @@ struct CCAssignment final {
   std::uint32_t OriginalValueIndex = 0;
   std::uint16_t FragmentIndex = 0;
   std::uint16_t FragmentCount = 1;
-  LLT ValueType;
-  LLT LocationType;
+  LowLevelType ValueType;
+  LowLevelType LocationType;
   CCLocationKind LocationKind = CCLocationKind::Register;
   std::optional<PhysicalRegister> LocationRegister;
   std::optional<std::uint64_t> StackOffsetBytes;
@@ -279,7 +288,7 @@ struct VarArgLoweringState final {
 struct ByValCopyAssignment final {
   std::size_t ArgumentAssignmentIndex = 0;
   Register Source;
-  LLT PointerType;
+  LowLevelType PointerType;
   std::uint64_t StackOffsetBytes = 0;
   std::uint64_t SizeBytes = 0;
   Alignment Align;
-- 
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