[llvm] 27c1051 - [llvm-opt-fuzzer] Skip creating/initializing legacy PM passes

[Bjorn Pettersson via llvm-commits]

Author: Bjorn Pettersson
Date: 2023-04-18T11:35:16+02:00
New Revision: 27c1051f730266d9fca275eb6c0b25c4440aec8b

URL: https://github.com/llvm/llvm-project/commit/27c1051f730266d9fca275eb6c0b25c4440aec8b
DIFF: https://github.com/llvm/llvm-project/commit/27c1051f730266d9fca275eb6c0b25c4440aec8b.diff

LOG: [llvm-opt-fuzzer] Skip creating/initializing legacy PM passes

Afaict llvm-opt-fuzzer is using the new pass manager. So there
shouldn't be a need to create/initialize/register the legacy PM
version of passes.

Differential Revision: https://reviews.llvm.org/D148512

Added: 
    

Modified: 
    llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp b/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
index 7e8115ceb6d7c..9473d6f3fc7ad 100644
--- a/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
+++ b/llvm/tools/llvm-opt-fuzzer/llvm-opt-fuzzer.cpp
@@ -10,14 +10,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Bitcode/BitcodeReader.h"
 #include "llvm/Bitcode/BitcodeWriter.h"
 #include "llvm/CodeGen/CommandFlags.h"
 #include "llvm/FuzzMutate/FuzzerCLI.h"
 #include "llvm/FuzzMutate/IRMutator.h"
 #include "llvm/IR/Verifier.h"
-#include "llvm/InitializePasses.h"
 #include "llvm/MC/TargetRegistry.h"
 #include "llvm/Passes/PassBuilder.h"
 #include "llvm/Support/CommandLine.h"
@@ -189,16 +187,6 @@ extern "C" LLVM_ATTRIBUTE_USED int LLVMFuzzerInitialize(
   InitializeAllTargets();
   InitializeAllTargetMCs();
 
-  PassRegistry &Registry = *PassRegistry::getPassRegistry();
-  initializeCore(Registry);
-  initializeScalarOpts(Registry);
-  initializeVectorization(Registry);
-  initializeIPO(Registry);
-  initializeAnalysis(Registry);
-  initializeTransformUtils(Registry);
-  initializeInstCombine(Registry);
-  initializeTarget(Registry);
-
   // Parse input options
   //