[clang] [llvm] [LLVM][PassBuilder] Extend the function signature of callback for optimizer pipeline extension point (PR #100945)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff 44df89cc30fc462dcb821929c6d5459688ffe545 
b8c8357c3724031d85c96e3aa053acf402f3508e --extensions h,cpp -- 
clang/lib/CodeGen/BackendUtil.cpp llvm/include/llvm/Passes/PassBuilder.h 
llvm/lib/Passes/PassBuilderPipelines.cpp llvm/lib/Target/AMDGPU/AMDGPU.h 
llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp 
llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp llvm/tools/opt/NewPMDriver.cpp
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/CodeGen/BackendUtil.cpp 
b/clang/lib/CodeGen/BackendUtil.cpp
index 4beec01e2a..64f0020a17 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -642,13 +642,12 @@ static void addKCFIPass(const Triple &TargetTriple, const 
LangOptions &LangOpts,
     return;
 
   // Ensure we lower KCFI operand bundles with -O0.
-  PB.registerOptimizerLastEPCallback([&](ModulePassManager &MPM,
-                                         OptimizationLevel Level,
-                                         ThinOrFullLTOPhase) {
-    if (Level == OptimizationLevel::O0 &&
-        LangOpts.Sanitize.has(SanitizerKind::KCFI))
-      MPM.addPass(createModuleToFunctionPassAdaptor(KCFIPass()));
-  });
+  PB.registerOptimizerLastEPCallback(
+      [&](ModulePassManager &MPM, OptimizationLevel Level, ThinOrFullLTOPhase) 
{
+        if (Level == OptimizationLevel::O0 &&
+            LangOpts.Sanitize.has(SanitizerKind::KCFI))
+          MPM.addPass(createModuleToFunctionPassAdaptor(KCFIPass()));
+      });
 
   // When optimizations are requested, run KCIFPass after InstCombine to
   // avoid unnecessary checks.

``````````

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https://github.com/llvm/llvm-project/pull/100945
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