[clang] [llvm] [PowerPC] Support for Packed BCD conversion builtins (PR #142723)

[Lei Huang via cfe-commits]

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@@ -655,6 +655,14 @@ let TargetPrefix = "ppc" in {  // All intrinsics start 
with "llvm.ppc.".
       DefaultAttrsIntrinsic<[llvm_v1i128_ty],[llvm_v1i128_ty],[IntrNoMem]>;
 
   // BCD intrinsics.
+  def int_ppc_national2packed: ClangBuiltin<"__builtin_ppc_national2packed">,
+    DefaultAttrsIntrinsic<[llvm_v16i8_ty],[llvm_v16i8_ty, llvm_i32_ty], 
[IntrNoMem, ImmArg<ArgIndex<1>>]>;
+  def int_ppc_packed2national: ClangBuiltin<"__builtin_ppc_packed2national">,
+    DefaultAttrsIntrinsic<[llvm_v16i8_ty],[llvm_v16i8_ty], [IntrNoMem]>;
+  def int_ppc_packed2zoned: ClangBuiltin<"__builtin_ppc_packed2zoned">,
+    DefaultAttrsIntrinsic<[llvm_v16i8_ty],[llvm_v16i8_ty, llvm_i32_ty], 
[IntrNoMem, ImmArg<ArgIndex<1>>]>;
+  def int_ppc_zoned2packed: ClangBuiltin<"__builtin_ppc_zoned2packed">,
+    DefaultAttrsIntrinsic<[llvm_v16i8_ty],[llvm_v16i8_ty, llvm_i32_ty], 
[IntrNoMem, ImmArg<ArgIndex<1>>]>;
----------------
lei137 wrote:

Can we use `llvm_any_ty` here instead of `llvm_i32_ty` so we don't need to 
custom lower the arg in the FE?

https://github.com/llvm/llvm-project/pull/142723
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