[CIR][CIRGen][Builtin][Neon] Lower vmaxv_u32 (llvm#1534)

Lower vmaxv_u32

Author: AmrDeveloper

clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp

@@ -2789,7 +2789,8 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
     return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.smaxv", resultTy,
                         loc);
   case NEON::BI__builtin_neon_vmaxv_u32:
-    llvm_unreachable(" neon_vmaxv_u32 NYI ");
+    return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.umaxv", resultTy,
+                        loc);
   case NEON::BI__builtin_neon_vmaxvq_f32:
     llvm_unreachable(" neon_vmaxvq_f32 NYI ");
   case NEON::BI__builtin_neon_vmaxvq_f64:

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

@@ -19237,9 +19237,17 @@ int32_t test_vmaxv_s32(int32x2_t a) {
 // NYI-LABEL: @test_vmaxv_u32(
 // NYI:   [[VMAXV_U32_I:%.*]] = call i32 @llvm.aarch64.neon.umaxv.i32.v2i32(<2 x i32> %a)
 // NYI:   ret i32 [[VMAXV_U32_I]]
-// uint32_t test_vmaxv_u32(uint32x2_t a) {
-//   return vmaxv_u32(a);
-// }
+uint32_t test_vmaxv_u32(uint32x2_t a) {
+  return vmaxv_u32(a);
+
+  // CIR-LABEL: vmaxv_u32
+  // CIR: cir.llvm.intrinsic "aarch64.neon.umaxv" {{%.*}} : (!cir.vector<!u32i x 2>) -> !u32i
+
+  // LLVM-LABEL: @test_vmaxv_u32
+  // LLVM-SAME: (<2 x i32> [[a:%.*]])
+  // LLVM:  [[VMAXV_U32_I:%.*]] = call i32 @llvm.aarch64.neon.umaxv.i32.v2i32(<2 x i32> [[a]])
+  // LLVM:  ret i32 [[VMAXV_U32_I]]
+}
 
 int32_t test_vaddv_s32(int32x2_t a) {
   return vaddv_s32(a);