From f6a3a06de3d32eaeba1f3c8bbc5faa5ffaeb1128 Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Mon, 17 Aug 2026 02:22:27 +0800
Subject: [RISCV][GlobalISel] Generate integer extension selections

---
 backend/include/rcc/TableGen/Record.h | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

(limited to 'backend/include/rcc/TableGen')

diff --git a/backend/include/rcc/TableGen/Record.h b/backend/include/rcc/TableGen/Record.h
index 6575b82..1f9dea9 100644
--- a/backend/include/rcc/TableGen/Record.h
+++ b/backend/include/rcc/TableGen/Record.h
@@ -235,15 +235,26 @@ struct SourceSelectionIntegerPredicate final {
   TextRange Range;
 };
 
-struct SourceSelectionOperandDefConstantPredicate final {
+struct SourceSelectionTargetPredicate final {
+  std::string Symbol;
+  TextRange Range;
+};
+
+struct SourceSelectionConstantRange final {
+  std::int64_t Minimum = 0;
+  std::int64_t Maximum = 0;
+  TextRange SourceRange;
+};
+
+struct SourceSelectionOperandImmediatePredicate final {
   std::uint32_t OperandIndex = 0;
-  struct ConstantRange final {
-    std::int64_t Minimum = 0;
-    std::int64_t Maximum = 0;
-    TextRange SourceRange;
-  };
+  std::vector<SourceSelectionConstantRange> Ranges;
+  TextRange Range;
+};
 
-  std::vector<ConstantRange> Ranges;
+struct SourceSelectionOperandDefConstantPredicate final {
+  std::uint32_t OperandIndex = 0;
+  std::vector<SourceSelectionConstantRange> Ranges;
   TextRange Range;
 };
 
@@ -294,9 +305,11 @@ struct SourceSelectionRule final {
   std::string MatchOpcodeSymbol;
   std::optional<SourceSelectionTypePredicate> ResultType;
   std::optional<SourceSelectionIntegerPredicate> IntegerPredicate;
+  std::vector<SourceSelectionTargetPredicate> TargetPredicates;
   std::vector<SourceSelectionOperandTypePredicate> OperandTypes;
   std::vector<SourceSelectionOperandBankPredicate> OperandBanks;
   std::vector<SourceSelectionOperandClassPredicate> OperandClasses;
+  std::vector<SourceSelectionOperandImmediatePredicate> OperandImmediates;
   std::vector<SourceSelectionOperandDefConstantPredicate> OperandDefConstants;
   std::vector<SourceSelectionDefUsePredicate> DefUsePredicates;
   std::vector<SourceSelectionTemporary> Temporaries;
-- 
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