[llvm] [AArch64][GlobalISel] Added pmull/pmull64 intrinsic support (PR #165740)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp llvm/lib/Target/AArch64/GISel/AArch64RegisterBankInfo.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
index bb027e52c..62e09f7c5 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -1810,7 +1810,8 @@ bool AArch64LegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper,
   case Intrinsic::aarch64_neon_fminnm:
     return LowerBinOp(TargetOpcode::G_FMINNUM);
   case Intrinsic::aarch64_neon_pmull:
-    return LowerBinOp(AArch64::G_PMULL); // Will prob need to be 64bit specific, /shrug
+    return LowerBinOp(
+        AArch64::G_PMULL); // Will prob need to be 64bit specific, /shrug
   case Intrinsic::aarch64_neon_pmull64:
     return LowerBinOp(AArch64::G_PMULL);
   case Intrinsic::aarch64_neon_smull:

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https://github.com/llvm/llvm-project/pull/165740