[llvm] [ARM] Don't try to emit AEABI libcalls for non-AEABI targets (PR #207813)

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

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``````````diff
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index d7424f550..a1411145a 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -9858,12 +9858,11 @@ SDValue ARMTargetLowering::LowerAEABIUnalignedStore(SDValue Op,
   Align Alignment = ST->getAlign();
   const DataLayout &DL = DAG.getDataLayout();
   bool AllowsUnaligned = Subtarget->allowsUnalignedMem();
-    RTLIB::Libcall LC =
-        (MemVT == MVT::i32) ? RTLIB::AEABI_UWRITE4 : RTLIB::AEABI_UWRITE8;
+  RTLIB::Libcall LC =
+      (MemVT == MVT::i32) ? RTLIB::AEABI_UWRITE4 : RTLIB::AEABI_UWRITE8;
 
   if (MF.getFunction().hasMinSize() && !AllowsUnaligned &&
-      Alignment <= llvm::Align(2) &&
-      DAG.getLibcalls().getLibcallImpl(LC)) {
+      Alignment <= llvm::Align(2) && DAG.getLibcalls().getLibcallImpl(LC)) {
 
     SDLoc dl(Op);
 
@@ -9872,7 +9871,6 @@ SDValue ARMTargetLowering::LowerAEABIUnalignedStore(SDValue Op,
     if (ST->isTruncatingStore())
       StoreVal = DAG.getNode(ISD::TRUNCATE, dl, MemVT, ST->getOperand(1));
 
-
     MakeLibCallOptions Opts;
     auto CallResult =
         makeLibCall(DAG, LC, MVT::isVoid, {StoreVal, ST->getBasePtr()}, Opts,

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https://github.com/llvm/llvm-project/pull/207813