[llvm] [LoongArch][GlobalISel] Adding initial GlobalISel infrastructure (PR #76912)

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git-clang-format --diff 7df28fd61aa4603846b3ce16f9f988ccc780a584 0e3cb2e67f7939eea3eb6730c15e623daccd08f8 -- llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp llvm/lib/Target/LoongArch/LoongArchCallLowering.h llvm/lib/Target/LoongArch/LoongArchInstructionSelector.cpp llvm/lib/Target/LoongArch/LoongArchLegalizerInfo.cpp llvm/lib/Target/LoongArch/LoongArchLegalizerInfo.h llvm/lib/Target/LoongArch/LoongArchRegisterBankInfo.cpp llvm/lib/Target/LoongArch/LoongArchRegisterBankInfo.h llvm/lib/Target/LoongArch/LoongArch.h llvm/lib/Target/LoongArch/LoongArchSubtarget.cpp llvm/lib/Target/LoongArch/LoongArchSubtarget.h llvm/lib/Target/LoongArch/LoongArchTargetMachine.cpp
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diff --git a/llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp b/llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp
index 7ec7fa09ed..4002ba46fe 100644
--- a/llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp
@@ -31,7 +31,7 @@ bool LoongArchCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
 
   if (Val != nullptr)
     return false;
- 
+
   MIRBuilder.insertInstr(Ret);
   return true;
 }

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https://github.com/llvm/llvm-project/pull/76912