[llvm] Use t2LDRLIT_ga_pcrel for loading stack guards with no-movt in PIC mode. (PR #156208)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
``````````

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``````````diff
diff --git a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
index 7b9e4f0a5..247e0fa64 100644
--- a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -270,8 +270,7 @@ void Thumb2InstrInfo::expandLoadStackGuard(
     expandLoadStackGuardBase(
         MI, IsPIC ? ARM::t2LDRLIT_ga_pcrel : ARM::tLDRLIT_ga_abs,
         ARM::t2LDRi12);
-  }
-  else if (IsPIC)
+  } else if (IsPIC)
     expandLoadStackGuardBase(MI, ARM::t2MOV_ga_pcrel, ARM::t2LDRi12);
   else
     expandLoadStackGuardBase(MI, ARM::t2MOVi32imm, ARM::t2LDRi12);

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https://github.com/llvm/llvm-project/pull/156208