Auto merge of #47748 - alexcrichton:rollup, r=alexcrichton

Rollup of 19 pull requests

- Successful merges: #47415, #47437, #47439, #47453, #47460, #47502, #47529, #47600, #47607, #47618, #47626, #47656, #47668, #47696, #47701, #47705, #47710, #47711, #47719
- Failed merges: #47455, #47521

1 files changed, 15 insertions, 8 deletions

diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
index 54a73a04bfa..b2f1229891d 100644
--- a/src/rustllvm/PassWrapper.cpp
+++ b/src/rustllvm/PassWrapper.cpp
@@ -23,9 +23,15 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Host.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
 
+#if LLVM_VERSION_GE(6, 0)
+#include "llvm/CodeGen/TargetSubtargetInfo.h"
+#include "llvm/IR/IntrinsicInst.h"
+#else
+#include "llvm/Target/TargetSubtargetInfo.h"
+#endif
+
 #if LLVM_VERSION_GE(4, 0)
 #include "llvm/Transforms/IPO/AlwaysInliner.h"
 #include "llvm/Transforms/IPO/FunctionImport.h"
@@ -210,20 +216,15 @@ extern "C" bool LLVMRustHasFeature(LLVMTargetMachineRef TM,
 
 enum class LLVMRustCodeModel {
   Other,
-  Default,
-  JITDefault,
   Small,
   Kernel,
   Medium,
   Large,
+  None,
 };
 
 static CodeModel::Model fromRust(LLVMRustCodeModel Model) {
   switch (Model) {
-  case LLVMRustCodeModel::Default:
-    return CodeModel::Default;
-  case LLVMRustCodeModel::JITDefault:
-    return CodeModel::JITDefault;
   case LLVMRustCodeModel::Small:
     return CodeModel::Small;
   case LLVMRustCodeModel::Kernel:
@@ -360,7 +361,6 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
     bool TrapUnreachable,
     bool Singlethread) {
 
-  auto CM = fromRust(RustCM);
   auto OptLevel = fromRust(RustOptLevel);
   auto RM = fromRust(RustReloc);
 
@@ -399,6 +399,13 @@ extern "C" LLVMTargetMachineRef LLVMRustCreateTargetMachine(
     Options.ThreadModel = ThreadModel::Single;
   }
 
+#if LLVM_VERSION_GE(6, 0)
+  Optional<CodeModel::Model> CM;
+#else
+  CodeModel::Model CM = CodeModel::Model::Default;
+#endif
+  if (RustCM != LLVMRustCodeModel::None)
+    CM = fromRust(RustCM);
   TargetMachine *TM = TheTarget->createTargetMachine(
       Trip.getTriple(), RealCPU, Feature, Options, RM, CM, OptLevel);
   return wrap(TM);