[CIR][CIRGen][Builtin][Neon] Lower neon_vaddlvq_u32 (#1208)

Author: ghehg

clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp

@@ -2646,8 +2646,11 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
     llvm_unreachable(" neon_vaddlv_u32 NYI ");
   case NEON::BI__builtin_neon_vaddlvq_s32:
     llvm_unreachable(" neon_vaddlvq_s32 NYI ");
-  case NEON::BI__builtin_neon_vaddlvq_u32:
-    llvm_unreachable(" neon_vaddlvq_u32 NYI ");
+  case NEON::BI__builtin_neon_vaddlvq_u32: {
+    mlir::Type argTy = cgf.convertType(expr->getArg(0)->getType());
+    return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.uaddlv", resultTy,
+                        loc);
+  }
   case NEON::BI__builtin_neon_vaddv_f32:
     llvm_unreachable(" neon_vaddv_f32 NYI ");
   case NEON::BI__builtin_neon_vaddv_s32:

clang/test/CIR/CodeGen/AArch64/neon-misc.c

@@ -1716,3 +1716,14 @@ uint64x2_t test_vpadalq_u32(uint64x2_t a, uint32x4_t b) {
   // LLVM:   [[TMP2:%.*]] = add <2 x i64> [[VPADAL1_I]], [[a]]
   // LLVM:   ret <2 x i64> [[TMP2]]
 }
+
+uint64_t test_vaddlvq_u32(uint32x4_t a) {
+  return vaddlvq_u32(a);
+
+  // CIR-LABEL: vaddlvq_u32
+  // CIR: = cir.llvm.intrinsic "aarch64.neon.uaddlv" {{%.*}} : (!cir.vector<!u32i x 4>) -> !u64i
+
+  // LLVM: {{.*}}@test_vaddlvq_u32(<4 x i32>{{.*}}[[A:%.*]])
+  // LLVM-NEXT:    [[VADDLVQ_U32_I:%.*]] = call i64 @llvm.aarch64.neon.uaddlv.i64.v4i32(<4 x i32> [[A]])
+  // LLVM-NEXT:    ret i64 [[VADDLVQ_U32_I]]
+}