[llvm] [RISCV][GlobalISel] Add G_CLMULH support (PR #221686)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp --diff_from_common_commit
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
index 587e34576..3e28aa518 100644
--- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
+++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp
@@ -851,7 +851,7 @@ bool RISCVLegalizerInfo::legalizeIntrinsic(LegalizerHelper &Helper,
     return false;
   case Intrinsic::riscv_clmulh:
     Helper.MIRBuilder.buildInstr(TargetOpcode::G_CLMULH, {MI.getOperand(0)},
-                                {MI.getOperand(2), MI.getOperand(3)});
+                                 {MI.getOperand(2), MI.getOperand(3)});
     MI.eraseFromParent();
     return true;
   case Intrinsic::vacopy: {

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https://github.com/llvm/llvm-project/pull/221686