[CIR][CIRGen][Builtin][Neon] Lower vminv_s32 (#1550)

Lower vminv_s32

Author: AmrDeveloper

clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp

@@ -2807,7 +2807,8 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
   case NEON::BI__builtin_neon_vminv_f32:
     llvm_unreachable(" neon_vminv_f32 NYI ");
   case NEON::BI__builtin_neon_vminv_s32:
-    llvm_unreachable(" neon_vminv_s32 NYI ");
+    return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.sminv", resultTy,
+                        loc);
   case NEON::BI__builtin_neon_vminv_u32:
     llvm_unreachable(" neon_vminv_u32 NYI ");
   case NEON::BI__builtin_neon_vminvq_f32:

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

@@ -19257,12 +19257,17 @@ float64x1_t test_vmax_f64(float64x1_t a, float64x1_t b) {
 //   return vrsqrts_f64(a, b);
 // }
 
-// NYI-LABEL: @test_vminv_s32(
-// NYI:   [[VMINV_S32_I:%.*]] = call i32 @llvm.aarch64.neon.sminv.i32.v2i32(<2 x i32> %a)
-// NYI:   ret i32 [[VMINV_S32_I]]
-// int32_t test_vminv_s32(int32x2_t a) {
-//   return vminv_s32(a);
-// }
+int32_t test_vminv_s32(int32x2_t a) {
+  return vminv_s32(a);
+
+  // CIR-LABEL: vminv_s32
+  // CIR: cir.llvm.intrinsic "aarch64.neon.sminv" {{%.*}} : (!cir.vector<!s32i x 2>) -> !s32i
+
+  // LLVM-LABEL: @test_vminv_s32
+  // LLVM-SAME: (<2 x i32> [[a:%.*]])
+  // LLVM:   [[VMINV_S32_I:%.*]] = call i32 @llvm.aarch64.neon.sminv.i32.v2i32(<2 x i32> [[a]])
+  // LLVM:   ret i32 [[VMINV_S32_I]]
+}
 
 // NYI-LABEL: @test_vminv_u32(
 // NYI:   [[VMINV_U32_I:%.*]] = call i32 @llvm.aarch64.neon.uminv.i32.v2i32(<2 x i32> %a)