[llvm] [AMDGPU] Fix Xcnt handling between blocks (PR #165201)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
index 6674f6c20..8a3bde269 100644
--- a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
+++ b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
@@ -2222,8 +2222,9 @@ bool SIInsertWaitcnts::insertForcedWaitAfter(MachineInstr &Inst,
   ScoreBrackets.simplifyWaitcnt(Wait);
 
   auto SuccessorIt = std::next(Inst.getIterator());
-  bool Result = generateWaitcnt(Wait, SuccessorIt, Block, ScoreBrackets,
-                                /*OldWaitcntInstr=*/nullptr, /*FlushXCnt=*/false);
+  bool Result =
+      generateWaitcnt(Wait, SuccessorIt, Block, ScoreBrackets,
+                      /*OldWaitcntInstr=*/nullptr, /*FlushXCnt=*/false);
 
   if (Result && NeedsEndPGMCheck && isNextENDPGM(SuccessorIt, &Block)) {
     BuildMI(Block, SuccessorIt, Inst.getDebugLoc(), TII->get(AMDGPU::S_NOP))

``````````

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https://github.com/llvm/llvm-project/pull/165201