[llvm] [SPIRV] Handle atomic users in SPIRVLegalizePointerCast (PR #202098)

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

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``````````diff
diff --git a/llvm/lib/Target/SPIRV/SPIRVLegalizePointerCast.cpp b/llvm/lib/Target/SPIRV/SPIRVLegalizePointerCast.cpp
index 8380790e7..9b241e432 100644
--- a/llvm/lib/Target/SPIRV/SPIRVLegalizePointerCast.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVLegalizePointerCast.cpp
@@ -532,9 +532,9 @@ class SPIRVLegalizePointerCastImpl {
         continue;
       }
 
-      // A raw atomicrmw or cmpxchg consumes the pointer directly, so the ptrcast
-      // ahead of it is spurious; bypass it like spv_gep to avoid the unreachable
-      // below.
+      // A raw atomicrmw or cmpxchg consumes the pointer directly, so the
+      // ptrcast ahead of it is spurious; bypass it like spv_gep to avoid the
+      // unreachable below.
       if (isa<AtomicRMWInst>(User) || isa<AtomicCmpXchgInst>(User)) {
         GR->replaceAllUsesWith(CastedOperand, OriginalOperand,
                                /* DeleteOld= */ false);

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https://github.com/llvm/llvm-project/pull/202098