From bebaa1737200e4944be71bcab4137a3774c2d07e Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sun, 16 Aug 2026 20:13:50 +0800
Subject: [RISCV][GlobalISel] Generate shift selections

---
 backend/utils/TableGen/Common/CodeGenTarget.h | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'backend/utils/TableGen/Common/CodeGenTarget.h')

diff --git a/backend/utils/TableGen/Common/CodeGenTarget.h b/backend/utils/TableGen/Common/CodeGenTarget.h
index 42a28c1..47dd598 100644
--- a/backend/utils/TableGen/Common/CodeGenTarget.h
+++ b/backend/utils/TableGen/Common/CodeGenTarget.h
@@ -204,6 +204,18 @@ struct NormalizedSelectionOperandDefConstantPredicate final {
   std::vector<Range> Ranges;
 };
 
+struct NormalizedSelectionDefUseCapture final {
+  std::uint32_t ID = 0;
+  std::uint32_t OperandIndex = 0;
+};
+
+struct NormalizedSelectionDefUsePredicate final {
+  std::uint32_t RootOperandIndex = 0;
+  std::uint32_t Opcode = 0;
+  std::vector<NormalizedSelectionDefUseCapture> Captures;
+  std::vector<NormalizedSelectionOperandDefConstantPredicate> OperandDefConstants;
+};
+
 struct NormalizedSelectionTemporary final {
   std::uint32_t ID = 0;
   std::uint32_t TypeFromOperand = 0;
@@ -218,17 +230,19 @@ enum class NormalizedSelectionImmediateTransform : std::uint8_t {
 struct NormalizedSelectionOperandRenderer final {
   enum class Kind : std::uint8_t {
     Operand,
+    ComplexOperand,
     PhysicalRegister,
     Temporary,
+    CapturedOperand,
     CapturedImmediate,
     Immediate,
   };
 
   Kind SourceKind = Kind::Operand;
   std::uint32_t Value = 0;
+  std::string ComplexRenderer;
   std::uint16_t Flags = 0;
-  NormalizedSelectionImmediateTransform Transform =
-      NormalizedSelectionImmediateTransform::Identity;
+  NormalizedSelectionImmediateTransform Transform = NormalizedSelectionImmediateTransform::Identity;
   std::int64_t Immediate = 0;
 };
 
@@ -249,6 +263,7 @@ struct NormalizedSelectionRule final {
   std::vector<NormalizedSelectionOperandBankPredicate> OperandBanks;
   std::vector<NormalizedSelectionOperandClassPredicate> OperandClasses;
   std::vector<NormalizedSelectionOperandDefConstantPredicate> OperandDefConstants;
+  std::vector<NormalizedSelectionDefUsePredicate> DefUsePredicates;
   std::vector<NormalizedSelectionTemporary> Temporaries;
   std::vector<NormalizedSelectionAction> Actions;
   std::vector<std::uint32_t> EraseOperandDefinitions;
-- 
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