[CIR][CIRGen][Builtin][Neon] Lower vabds_f32 and vabdd_f64 (#1531)

Lower `vabds_f32` and `vabdd_f64`

Author: AmrDeveloper

clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp

@@ -2667,9 +2667,9 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
     llvm::errs() << getAArch64SIMDIntrinsicString(builtinID) << " ";
     llvm_unreachable("in emitCommonNeonSISDBuiltinExpr NYI");
   case NEON::BI__builtin_neon_vabdd_f64:
-    llvm_unreachable(" neon_vabdd_f64 NYI ");
   case NEON::BI__builtin_neon_vabds_f32:
-    llvm_unreachable(" neon_vabds_f32 NYI ");
+    return emitNeonCall(builder, {argTy}, ops, "aarch64.sisd.fabd", resultTy,
+                        loc);
   case NEON::BI__builtin_neon_vabsd_s64:
     return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.abs", resultTy,
                         loc);

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

@@ -18538,19 +18538,27 @@ int64_t test_vqshlud_n_s64(int64_t a) {
 //   return vreinterpretq_p64_p16(a);
 // }
 
-// NYI-LABEL: @test_vabds_f32(
-// NYI:   [[VABDS_F32_I:%.*]] = call float @llvm.aarch64.sisd.fabd.f32(float %a, float %b)
-// NYI:   ret float [[VABDS_F32_I]]
-// float32_t test_vabds_f32(float32_t a, float32_t b) {
-//   return vabds_f32(a, b);
-// }
+float32_t test_vabds_f32(float32_t a, float32_t b) {
+  return vabds_f32(a, b);
 
-// NYI-LABEL: @test_vabdd_f64(
-// NYI:   [[VABDD_F64_I:%.*]] = call double @llvm.aarch64.sisd.fabd.f64(double %a, double %b)
-// NYI:   ret double [[VABDD_F64_I]]
-// float64_t test_vabdd_f64(float64_t a, float64_t b) {
-//   return vabdd_f64(a, b);
-// }
+  // CIR-LABEL: vabds_f32
+  // CIR: [[TMP0:%.*]] = cir.llvm.intrinsic "aarch64.sisd.fabd" {{.*}}, {{.*}} : (!cir.float, !cir.float) -> !cir.float
+
+  // LLVM-LABEL: @test_vabds_f32(
+  // LLVM:   [[VABDS_F32:%.*]] = call float @llvm.aarch64.sisd.fabd.f32(float %0, float %1)
+  // LLVM:   ret float [[VABDS_F32]]
+}
+
+float64_t test_vabdd_f64(float64_t a, float64_t b) {
+  return vabdd_f64(a, b);
+
+  // CIR-LABEL: vabdd_f64
+  // CIR: [[TMP0:%.*]] = cir.llvm.intrinsic "aarch64.sisd.fabd" {{.*}}, {{.*}} : (!cir.double, !cir.double) -> !cir.double
+
+  // LLVM-LABEL: @test_vabdd_f64(
+  // LLVM:   [[VABDD_F64:%.*]] = call double @llvm.aarch64.sisd.fabd.f64(double %0, double %1)
+  // LLVM:   ret double [[VABDD_F64]]
+}
 
 // NYI-LABEL: @test_vuqaddq_s8(
 // NYI: entry: