[llvm] [AArch64][SME] Add calling convention for __arm_get_current_vg (PR #93963)

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``````````bash
git-clang-format --diff e635520be888335dd59874038d33e60cca3a7143 9fcf0d4c07374f69a727679c8e61cce2dca2ed62 -- llvm/include/llvm/AsmParser/LLToken.h llvm/include/llvm/IR/CallingConv.h llvm/lib/AsmParser/LLLexer.cpp llvm/lib/AsmParser/LLParser.cpp llvm/lib/IR/AsmWriter.cpp llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
index 29191271bf..d577f9a099 100644
--- a/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
@@ -111,10 +111,12 @@ AArch64RegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
         "only supported to improve calls to SME ACLE save/restore/disable-za "
         "functions, and is not intended to be used beyond that scope.");
   if (MF->getFunction().getCallingConv() ==
-          CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1)
+      CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1)
     report_fatal_error(
-        "Calling convention AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1 is "
-        "only supported to improve calls to SME ACLE __arm_get_current_vg function, "
+        "Calling convention "
+        "AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1 is "
+        "only supported to improve calls to SME ACLE __arm_get_current_vg "
+        "function, "
         "and is not intended to be used beyond that scope.");
   if (MF->getFunction().getCallingConv() ==
           CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X2)
@@ -163,10 +165,12 @@ AArch64RegisterInfo::getDarwinCalleeSavedRegs(const MachineFunction *MF) const {
         "only supported to improve calls to SME ACLE save/restore/disable-za "
         "functions, and is not intended to be used beyond that scope.");
   if (MF->getFunction().getCallingConv() ==
-          CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1)
+      CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1)
     report_fatal_error(
-        "Calling convention AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1 is "
-        "only supported to improve calls to SME ACLE __arm_get_current_vg function, "
+        "Calling convention "
+        "AArch64_SME_ABI_Support_Routines_PreserveMost_From_X1 is "
+        "only supported to improve calls to SME ACLE __arm_get_current_vg "
+        "function, "
         "and is not intended to be used beyond that scope.");
   if (MF->getFunction().getCallingConv() ==
           CallingConv::AArch64_SME_ABI_Support_Routines_PreserveMost_From_X2)

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https://github.com/llvm/llvm-project/pull/93963