[llvm] [AMDGPU][SIInsertWaitCnts] Gfx12.5 - Refactor xcnt optimization (PR #164357)

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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 b6e2c3a7f..1da7e8ceb 100644
--- a/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
+++ b/llvm/lib/Target/AMDGPU/SIInsertWaitcnts.cpp
@@ -1307,7 +1307,8 @@ bool WaitcntBrackets::canOptimizeXCntWithLoadCnt(const AMDGPU::Waitcnt &Wait) {
 void WaitcntBrackets::applyXcnt(const AMDGPU::Waitcnt &Wait) {
   if (hasRedundantXCntWithKmCnt(Wait)) {
     if (hasPendingEvent(VMEM_GROUP))
-      // Only clear the SMEM_GROUP event, but VMEM_GROUP could still require handling.
+      // Only clear the SMEM_GROUP event, but VMEM_GROUP could still require
+      // handling.
       PendingEvents &= ~(1 << SMEM_GROUP);
     else
       applyWaitcnt(X_CNT, 0);

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https://github.com/llvm/llvm-project/pull/164357