From 09e8ef3e0dae29be7aa21a6e22a118a3f545945f Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 12 Aug 2026 19:45:09 +0800
Subject: [Tooling] Complete the LLVM MIR command-line contract

---
 backend/lib/Tooling/BackendInvocation.cpp | 74 -------------------------------
 1 file changed, 74 deletions(-)

(limited to 'backend/lib/Tooling/BackendInvocation.cpp')

diff --git a/backend/lib/Tooling/BackendInvocation.cpp b/backend/lib/Tooling/BackendInvocation.cpp
index 677cd2d..232d34f 100644
--- a/backend/lib/Tooling/BackendInvocation.cpp
+++ b/backend/lib/Tooling/BackendInvocation.cpp
@@ -265,46 +265,6 @@ void appendMIRTextInfo(std::string &Output, const TargetMIRTextInfo &MIRText) {
 
 } // namespace
 
-std::string_view spelling(RelocationModel Value) noexcept {
-  switch (Value) {
-  case RelocationModel::Static:
-    return "static";
-  case RelocationModel::PositionIndependent:
-    return "pic";
-  }
-  return "invalid";
-}
-
-std::string_view spelling(CodeModel Value) noexcept {
-  switch (Value) {
-  case CodeModel::Small:
-    return "small";
-  case CodeModel::Medium:
-    return "medium";
-  case CodeModel::Large:
-    return "large";
-  }
-  return "invalid";
-}
-
-std::string_view spelling(OptimizationLevel Value) noexcept {
-  switch (Value) {
-  case OptimizationLevel::O0:
-    return "O0";
-  case OptimizationLevel::O1:
-    return "O1";
-  case OptimizationLevel::O2:
-    return "O2";
-  case OptimizationLevel::O3:
-    return "O3";
-  case OptimizationLevel::Os:
-    return "Os";
-  case OptimizationLevel::Oz:
-    return "Oz";
-  }
-  return "invalid";
-}
-
 std::string_view spelling(LayoutOwnership Value) noexcept {
   switch (Value) {
   case LayoutOwnership::NativeObject:
@@ -317,40 +277,6 @@ std::string_view spelling(LayoutOwnership Value) noexcept {
   return "invalid";
 }
 
-Expected<RelocationModel> parseRelocationModel(std::string_view Value) {
-  if (Value == "static")
-    return RelocationModel::Static;
-  if (Value == "pic")
-    return RelocationModel::PositionIndependent;
-  return makeUnexpected(ErrorCode::ManifestError, "unknown relocation model");
-}
-
-Expected<CodeModel> parseCodeModel(std::string_view Value) {
-  if (Value == "small")
-    return CodeModel::Small;
-  if (Value == "medium")
-    return CodeModel::Medium;
-  if (Value == "large")
-    return CodeModel::Large;
-  return makeUnexpected(ErrorCode::ManifestError, "unknown code model");
-}
-
-Expected<OptimizationLevel> parseOptimizationLevel(std::string_view Value) {
-  if (Value == "O0")
-    return OptimizationLevel::O0;
-  if (Value == "O1")
-    return OptimizationLevel::O1;
-  if (Value == "O2")
-    return OptimizationLevel::O2;
-  if (Value == "O3")
-    return OptimizationLevel::O3;
-  if (Value == "Os")
-    return OptimizationLevel::Os;
-  if (Value == "Oz")
-    return OptimizationLevel::Oz;
-  return makeUnexpected(ErrorCode::ManifestError, "unknown optimization level");
-}
-
 Expected<LayoutOwnership> parseLayoutOwnership(std::string_view Value) {
   if (Value == "native-object")
     return LayoutOwnership::NativeObject;
-- 
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