[llvm] Revert "[AMDGPU] Support block load/store for CSR" (PR #136846)

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git-clang-format --diff HEAD~1 HEAD --extensions h,cpp -- llvm/include/llvm/CodeGen/MachineFrameInfo.h llvm/include/llvm/CodeGen/TargetFrameLowering.h llvm/lib/CodeGen/PrologEpilogInserter.cpp llvm/lib/CodeGen/TargetFrameLoweringImpl.cpp llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp llvm/lib/Target/AMDGPU/GCNSubtarget.h llvm/lib/Target/AMDGPU/SIFrameLowering.cpp llvm/lib/Target/AMDGPU/SIFrameLowering.h llvm/lib/Target/AMDGPU/SIInstrInfo.h llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.h llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp llvm/lib/Target/AMDGPU/SIRegisterInfo.h
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View the diff from clang-format here.
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diff --git a/llvm/include/llvm/CodeGen/MachineFrameInfo.h b/llvm/include/llvm/CodeGen/MachineFrameInfo.h
index 172c3e8c9..29ac66965 100644
--- a/llvm/include/llvm/CodeGen/MachineFrameInfo.h
+++ b/llvm/include/llvm/CodeGen/MachineFrameInfo.h
@@ -60,7 +60,7 @@ public:
   // Accessors.
   MCRegister getReg()                      const { return Reg; }
   int getFrameIdx()                        const { return FrameIdx; }
-  MCRegister getDstReg()                   const { return DstReg; }
+  MCRegister getDstReg() const { return DstReg; }
   void setFrameIdx(int FI) {
     FrameIdx = FI;
     SpilledToReg = false;
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 9b852c0fd..ac4090252 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -608,9 +608,9 @@ static void insertCSRSaves(MachineBasicBlock &SaveBlock,
       MCRegister Reg = CS.getReg();
 
       if (CS.isSpilledToReg()) {
-        BuildMI(SaveBlock, I, DebugLoc(),
-                TII.get(TargetOpcode::COPY), CS.getDstReg())
-          .addReg(Reg, getKillRegState(true));
+        BuildMI(SaveBlock, I, DebugLoc(), TII.get(TargetOpcode::COPY),
+                CS.getDstReg())
+            .addReg(Reg, getKillRegState(true));
       } else {
         const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg);
         TII.storeRegToStackSlot(SaveBlock, I, Reg, true, CS.getFrameIdx(), RC,
@@ -637,7 +637,7 @@ static void insertCSRRestores(MachineBasicBlock &RestoreBlock,
       MCRegister Reg = CI.getReg();
       if (CI.isSpilledToReg()) {
         BuildMI(RestoreBlock, I, DebugLoc(), TII.get(TargetOpcode::COPY), Reg)
-          .addReg(CI.getDstReg(), getKillRegState(true));
+            .addReg(CI.getDstReg(), getKillRegState(true));
       } else {
         const TargetRegisterClass *RC = TRI->getMinimalPhysRegClass(Reg);
         TII.loadRegFromStackSlot(RestoreBlock, I, Reg, CI.getFrameIdx(), RC,
diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
index c1ac9491b..7838fd91a 100644
--- a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -2510,7 +2510,7 @@ bool SIRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
       bool IsWWMRegSpill = TII->isWWMRegSpillOpcode(MI->getOpcode());
       if (IsWWMRegSpill) {
         TII->insertScratchExecCopy(*MF, *MBB, MI, DL, MFI->getSGPRForEXECCopy(),
-                                  RS->isRegUsed(AMDGPU::SCC));
+                                   RS->isRegUsed(AMDGPU::SCC));
       }
 
       buildSpillLoadStore(

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https://github.com/llvm/llvm-project/pull/136846