Author: Lang Hames
Date: 2025-02-11T20:54:17-08:00
New Revision: 3661520b46dcf704ebb5e85df011eb30ff3ae67d

URL: 
https://github.com/llvm/llvm-project/commit/3661520b46dcf704ebb5e85df011eb30ff3ae67d
DIFF: 
https://github.com/llvm/llvm-project/commit/3661520b46dcf704ebb5e85df011eb30ff3ae67d.diff

LOG: [ORC][LLI] Remove redundant eh-frame registration plugin construction from 
lli.

As of d0052ebbe2e the setUpGenericLLVMIRPlatform function will automatically
add an instance of the EHFrameRegistrationPlugin (for LLJIT instances whose
object linking layers are ObjectLinkingLayers, not RTDyldObjectLinkingLayers).

This commit removes the redundant plugin creation in the object linking
layer constructor function in lli.cpp to prevent duplicate registration of
eh-frames, which is likely the cause of recent bot failures, e.g.
https://lab.llvm.org/buildbot/#/builders/108/builds/8685.

(cherry picked from commit 9052b37ab1aa67a039b34356f37236fecc42bac2)

Added: 
    

Modified: 
    llvm/tools/lli/lli.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/tools/lli/lli.cpp b/llvm/tools/lli/lli.cpp
index 448660a539a0b..19246f0394167 100644
--- a/llvm/tools/lli/lli.cpp
+++ b/llvm/tools/lli/lli.cpp
@@ -27,9 +27,7 @@
 #include "llvm/ExecutionEngine/Orc/AbsoluteSymbols.h"
 #include "llvm/ExecutionEngine/Orc/DebugUtils.h"
 #include "llvm/ExecutionEngine/Orc/Debugging/DebuggerSupport.h"
-#include "llvm/ExecutionEngine/Orc/EHFrameRegistrationPlugin.h"
 #include "llvm/ExecutionEngine/Orc/EPCDynamicLibrarySearchGenerator.h"
-#include "llvm/ExecutionEngine/Orc/EPCEHFrameRegistrar.h"
 #include "llvm/ExecutionEngine/Orc/EPCGenericRTDyldMemoryManager.h"
 #include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
 #include "llvm/ExecutionEngine/Orc/IRPartitionLayer.h"
@@ -1033,14 +1031,10 @@ int runOrcJIT(const char *ProgName) {
     Builder.getJITTargetMachineBuilder()
         ->setRelocationModel(Reloc::PIC_)
         .setCodeModel(CodeModel::Small);
-    Builder.setObjectLinkingLayerCreator([&P](orc::ExecutionSession &ES,
-                                              const Triple &TT) {
-      auto L = std::make_unique<orc::ObjectLinkingLayer>(ES);
-      if (P != LLJITPlatform::ExecutorNative)
-        L->addPlugin(std::make_unique<orc::EHFrameRegistrationPlugin>(
-            ES, ExitOnErr(orc::EPCEHFrameRegistrar::Create(ES))));
-      return L;
-    });
+    Builder.setObjectLinkingLayerCreator(
+        [&](orc::ExecutionSession &ES, const Triple &TT) {
+          return std::make_unique<orc::ObjectLinkingLayer>(ES);
+        });
   }
 
   auto J = ExitOnErr(Builder.create());


        
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