Auto merge of #72248 - petrochenkov:codemodel, r=Amanieu

Cleanup and document `-C code-model`

r? @Amanieu

1 files changed, 7 insertions, 5 deletions

diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
index b17fa57c5c1..6c638c5453a 100644
--- a/src/rustllvm/PassWrapper.cpp
+++ b/src/rustllvm/PassWrapper.cpp
@@ -274,7 +274,7 @@ extern "C" bool LLVMRustHasFeature(LLVMTargetMachineRef TM,
 }
 
 enum class LLVMRustCodeModel {
-  Other,
+  Tiny,
   Small,
   Kernel,
   Medium,
@@ -282,8 +282,10 @@ enum class LLVMRustCodeModel {
   None,
 };
 
-static CodeModel::Model fromRust(LLVMRustCodeModel Model) {
+static Optional<CodeModel::Model> fromRust(LLVMRustCodeModel Model) {
   switch (Model) {
+  case LLVMRustCodeModel::Tiny:
+    return CodeModel::Tiny;
   case LLVMRustCodeModel::Small:
     return CodeModel::Small;
   case LLVMRustCodeModel::Kernel:
@@ -292,6 +294,8 @@ static CodeModel::Model fromRust(LLVMRustCodeModel Model) {
     return CodeModel::Medium;
   case LLVMRustCodeModel::Large:
     return CodeModel::Large;
+  case LLVMRustCodeModel::None:
+    return None;
   default:
     report_fatal_error("Bad CodeModel.");
   }
@@ -452,6 +456,7 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
 
   auto OptLevel = fromRust(RustOptLevel);
   auto RM = fromRust(RustReloc);
+  auto CM = fromRust(RustCM);
 
   std::string Error;
   Triple Trip(Triple::normalize(TripleStr));
@@ -490,9 +495,6 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
 
   Options.EmitStackSizeSection = EmitStackSizeSection;
 
-  Optional<CodeModel::Model> CM;
-  if (RustCM != LLVMRustCodeModel::None)
-    CM = fromRust(RustCM);
   TargetMachine *TM = TheTarget->createTargetMachine(
       Trip.getTriple(), CPU, Feature, Options, RM, CM, OptLevel);
   return wrap(TM);