1 files changed, 21 insertions, 3 deletions
diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
index b3f86f3295a..48eb50953a9 100644
--- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
@@ -201,6 +201,12 @@ void LLVMRustAddLastExtensionPasses(
 #define SUBTARGET_AVR
 #endif
 
+#ifdef LLVM_COMPONENT_M68k
+#define SUBTARGET_M68K SUBTARGET(M68k)
+#else
+#define SUBTARGET_M68K
+#endif
+
 #ifdef LLVM_COMPONENT_MIPS
 #define SUBTARGET_MIPS SUBTARGET(Mips)
 #else
@@ -248,6 +254,7 @@ void LLVMRustAddLastExtensionPasses(
   SUBTARGET_ARM                                                                \
   SUBTARGET_AARCH64                                                            \
   SUBTARGET_AVR                                                                \
+  SUBTARGET_M68K                                                               \
   SUBTARGET_MIPS                                                               \
   SUBTARGET_PPC                                                                \
   SUBTARGET_SYSTEMZ                                                            \
@@ -875,7 +882,11 @@ LLVMRustOptimizeWithNewPassManager(
 #if LLVM_VERSION_GE(11, 0)
       OptimizerLastEPCallbacks.push_back(
         [Options](ModulePassManager &MPM, OptimizationLevel Level) {
+#if LLVM_VERSION_GE(14, 0)
+          MPM.addPass(ModuleMemorySanitizerPass(Options));
+#else
           MPM.addPass(MemorySanitizerPass(Options));
+#endif
           MPM.addPass(createModuleToFunctionPassAdaptor(MemorySanitizerPass(Options)));
         }
       );
@@ -897,7 +908,11 @@ LLVMRustOptimizeWithNewPassManager(
 #if LLVM_VERSION_GE(11, 0)
       OptimizerLastEPCallbacks.push_back(
         [](ModulePassManager &MPM, OptimizationLevel Level) {
+#if LLVM_VERSION_GE(14, 0)
+          MPM.addPass(ModuleThreadSanitizerPass());
+#else
           MPM.addPass(ThreadSanitizerPass());
+#endif
           MPM.addPass(createModuleToFunctionPassAdaptor(ThreadSanitizerPass()));
         }
       );
@@ -989,7 +1004,10 @@ LLVMRustOptimizeWithNewPassManager(
 #endif
   bool NeedThinLTOBufferPasses = UseThinLTOBuffers;
   if (!NoPrepopulatePasses) {
-    if (OptLevel == OptimizationLevel::O0) {
+    // The pre-link pipelines don't support O0 and require using budilO0DefaultPipeline() instead.
+    // At the same time, the LTO pipelines do support O0 and using them is required.
+    bool IsLTO = OptStage == LLVMRustOptStage::ThinLTO || OptStage == LLVMRustOptStage::FatLTO;
+    if (OptLevel == OptimizationLevel::O0 && !IsLTO) {
 #if LLVM_VERSION_GE(12, 0)
       for (const auto &C : PipelineStartEPCallbacks)
         PB.registerPipelineStartEPCallback(C);
@@ -1732,7 +1750,7 @@ LLVMRustGetBitcodeSliceFromObjectData(const char *data,
 // Rewrite all `DICompileUnit` pointers to the `DICompileUnit` specified. See
 // the comment in `back/lto.rs` for why this exists.
 extern "C" void
-LLVMRustThinLTOGetDICompileUnit(LLVMModuleRef Mod,
+LLVMRustLTOGetDICompileUnit(LLVMModuleRef Mod,
                                 DICompileUnit **A,
                                 DICompileUnit **B) {
   Module *M = unwrap(Mod);
@@ -1750,7 +1768,7 @@ LLVMRustThinLTOGetDICompileUnit(LLVMModuleRef Mod,
 // Rewrite all `DICompileUnit` pointers to the `DICompileUnit` specified. See
 // the comment in `back/lto.rs` for why this exists.
 extern "C" void
-LLVMRustThinLTOPatchDICompileUnit(LLVMModuleRef Mod, DICompileUnit *Unit) {
+LLVMRustLTOPatchDICompileUnit(LLVMModuleRef Mod, DICompileUnit *Unit) {
   Module *M = unwrap(Mod);
 
   // If the original source module didn't have a `DICompileUnit` then try to