[code-reflection] Withdrawn: [hat][proposal] Analysis for constants before the codegen

[Juan Fumero]

On Wed, 17 Sep 2025 14:08:53 GMT, Juan Fumero <jfumero at openjdk.org> wrote:

> How to test?
> 
> 
> HAT=SHOW_CODE java @hat/test ffi-opencl oracle.code.hat.TestConstants
> 
> 
> Whole suite:
> 
> 
> HAT=SHOW_CODE java @hat/test suite ffi-opencl
> 
> 
> Example:
> 
> 
>     @CodeReflection
>     public static void vectorWithConstants(@RO KernelContext kc, @RO S32Array arrayA, @RO S32Array arrayB, @RW S32Array arrayC) {
>         final int BM = 100;
>         if (kc.x < kc.gsx) {
>             final int valueA = arrayA.array(kc.x);
>             final int valueB = arrayB.array(kc.x);
>             arrayC.array(kc.x, (BM + valueA + valueB));
>         }
>     }
> 
> 
> Generated code:
> 
> 
> __kernel void vectorWithConstants(
>     __global KernelContext_t* kc,
>     __global S32Array_t* arrayA,
>     __global S32Array_t* arrayB,
>     __global S32Array_t* arrayC
> ){
>     const int BM = 100;
>     if(get_global_id(0)<get_global_size(0)){
>         const int valueA = arrayA->array[(long)get_global_id(0)];
>         const int valueB = arrayB->array[(long)get_global_id(0)];
>         arrayC->array[(long)get_global_id(0)]=BM+valueA+valueB;
>     }
>     return;
> }

This pull request has been closed without being integrated.

-------------

PR: https://git.openjdk.org/babylon/pull/575