[llvm] [AMDGPU][CodeGen] Utilized MBB's liveIn check in SILowerSGPRSpills (PR #129848)

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git-clang-format --diff 41473162fd886d7db548fb288cf3620570f73c17 e5325757070a1f57c7ef134f1961bda3acb24e5f --extensions cpp -- llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp b/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
index c283ed0ac9..dc84db9a07 100644
--- a/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
+++ b/llvm/lib/Target/AMDGPU/SILowerSGPRSpills.cpp
@@ -128,7 +128,7 @@ static void insertCSRSaves(MachineBasicBlock &SaveBlock,
       // range.
       bool IsLiveIn = false;
       for (MCRegAliasIterator R(Reg, TRI, true); R.isValid(); ++R) {
-        if(SaveBlock.isLiveIn(*R)) {
+        if (SaveBlock.isLiveIn(*R)) {
           IsLiveIn = true;
           break;
         }

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https://github.com/llvm/llvm-project/pull/129848