[CIR][CIRGen][Builtin][Neon] Lower vcagtd_f64

Author: AmrDeveloper

clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp

@@ -2686,8 +2686,10 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
   }
   case NEON::BI__builtin_neon_vcages_f32:
     llvm_unreachable(" neon_vcages_f32 NYI ");
-  case NEON::BI__builtin_neon_vcagtd_f64:
-    llvm_unreachable(" neon_vcagtd_f64 NYI ");
+  case NEON::BI__builtin_neon_vcagtd_f64: {
+    return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.facgt", resultTy,
+                        loc);
+  }
   case NEON::BI__builtin_neon_vcagts_f32:
     llvm_unreachable(" neon_vcagts_f32 NYI ");
   case NEON::BI__builtin_neon_vcaled_f64:

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

@@ -15132,12 +15132,16 @@ uint64_t test_vcaged_f64(float64_t a, float64_t b) {
 //   return (uint32_t)vcagts_f32(a, b);
 // }
 
-// NYI-LABEL: @test_vcagtd_f64(
-// NYI:   [[VCAGTD_F64_I:%.*]] = call i64 @llvm.aarch64.neon.facgt.i64.f64(double %a, double %b)
-// NYI:   ret i64 [[VCAGTD_F64_I]]
-// uint64_t test_vcagtd_f64(float64_t a, float64_t b) {
-//   return (uint64_t)vcagtd_f64(a, b);
-// }
+uint64_t test_vcagtd_f64(float64_t a, float64_t b) {
+  return (uint64_t)vcagtd_f64(a, b);
+
+  // CIR-LABEL: vcagtd_f64
+  // CIR: [[TMP0:%.*]] = cir.llvm.intrinsic "aarch64.neon.facgt" {{.*}}, {{.*}} : (!cir.double, !cir.double) -> !u64i
+
+  // LLVM-LABEL: @test_vcagtd_f64(
+  // LLVM:   [[VCAGED_F64_I:%.*]] = call i64 @llvm.aarch64.neon.facgt.i64.f64(double %0, double %1)
+  // LLVM:   ret i64 [[VCAGED_F64_I]]
+}
 
 // NYI-LABEL: @test_vcales_f32(
 // NYI:   [[VCALES_F32_I:%.*]] = call i32 @llvm.aarch64.neon.facge.i32.f32(float %b, float %a)