[clang] [llvm] [RISCV] Add stack clash protection (PR #117612)

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git-clang-format --diff 7ad1084b521ea191245c47b4e63e4f97035e3786 118415f00f96ffd005da8dddc5e776cb78c45f9f --extensions h,cpp -- clang/lib/Driver/ToolChains/Clang.cpp llvm/lib/Target/RISCV/RISCVFrameLowering.cpp llvm/lib/Target/RISCV/RISCVFrameLowering.h llvm/lib/Target/RISCV/RISCVISelLowering.cpp llvm/lib/Target/RISCV/RISCVISelLowering.h llvm/lib/Target/RISCV/RISCVMachineFunctionInfo.cpp llvm/lib/Target/RISCV/RISCVMachineFunctionInfo.h llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
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diff --git a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
index 0b6e89a0e2..a0767c647c 100644
--- a/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
@@ -861,8 +861,8 @@ void RISCVFrameLowering::emitPrologue(MachineFunction &MF,
   bool NeedProbe = TLI->hasInlineStackProbe(MF);
   uint64_t ProbeSize = TLI->getStackProbeSize(MF, getStackAlign().value());
   if (StackSize != 0)
-    allocateStack(MBB, MBBI, MF, StackSize, RealStackSize, /*EmitCFI=*/ true,
-		  NeedProbe, ProbeSize);
+    allocateStack(MBB, MBBI, MF, StackSize, RealStackSize, /*EmitCFI=*/true,
+                  NeedProbe, ProbeSize);
 
   // The frame pointer is callee-saved, and code has been generated for us to
   // save it to the stack. We need to skip over the storing of callee-saved

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https://github.com/llvm/llvm-project/pull/117612