[CIR][CIRGen][Builtin][Neon] Lower neon_vhsub_v, neon_vhsubq_v (#1103)

llvm · Nov 11, 2024 · f395453 · f395453
1 parent e6b2808
commit f395453
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Showing 2 changed files with 318 additions and 253 deletions.
diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
@@ -2518,7 +2518,12 @@ mlir::Value CIRGenFunction::emitCommonNeonBuiltinExpr(
                                                     : "aarch64.neon.shadd";
     break;
   }
-
+  case NEON::BI__builtin_neon_vhsub_v:
+  case NEON::BI__builtin_neon_vhsubq_v: {
+    intrincsName = (intrinicId != altLLVMIntrinsic) ? "aarch64.neon.uhsub"
+                                                    : "aarch64.neon.shsub";
+    break;
+  }
   case NEON::BI__builtin_neon_vqmovn_v: {
     intrincsName = (intrinicId != altLLVMIntrinsic) ? "aarch64.neon.uqxtn"
                                                     : "aarch64.neon.sqxtn";