[llvm] [RISCV] Remove null terminator from CSRegs in determineCalleeSaves. NFC (PR #74131)

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git-clang-format --diff 8c1d476db0ac73df44b1b9db66fdac45473dea68 a4270f9f9cf843ba21266ba04454ba7072194fdc -- llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
index 8dfea6d386..8634b58fe0 100644
--- a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -977,11 +977,12 @@ void RISCVFrameLowering::determineCalleeSaves(MachineFunction &MF,
 
   if (MF.getFunction().hasFnAttribute("interrupt") && MFI.hasCalls()) {
 
-    static const MCPhysReg CSRegs[] = { RISCV::X1,      /* ra */
-      RISCV::X5, RISCV::X6, RISCV::X7,                  /* t0-t2 */
-      RISCV::X10, RISCV::X11,                           /* a0-a1, a2-a7 */
-      RISCV::X12, RISCV::X13, RISCV::X14, RISCV::X15, RISCV::X16, RISCV::X17,
-      RISCV::X28, RISCV::X29, RISCV::X30, RISCV::X31 /* t3-t6 */
+    static const MCPhysReg CSRegs[] = {
+        RISCV::X1,                         /* ra */
+        RISCV::X5,  RISCV::X6,  RISCV::X7, /* t0-t2 */
+        RISCV::X10, RISCV::X11,            /* a0-a1, a2-a7 */
+        RISCV::X12, RISCV::X13, RISCV::X14, RISCV::X15, RISCV::X16,
+        RISCV::X17, RISCV::X28, RISCV::X29, RISCV::X30, RISCV::X31 /* t3-t6 */
     };
 
     for (auto Reg : CSRegs)

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https://github.com/llvm/llvm-project/pull/74131