Ben Clayton 03de0e83ae Move tint::transform::Robustness to a santizier transform
There's no good reason for this to be public.
Move it into the writers, and expose a 'disable_robustness' option to
turn it off. This can be expanded to hold more fine-grain control in the
future.

Change-Id: I6ea6e54a27b2ae0fbcba5fdf45539063045cc15a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122203
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Auto-Submit: Ben Clayton <bclayton@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
2023-03-02 20:48:48 +00:00

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#include <metal_stdlib>
using namespace metal;
struct S {
/* 0x0000 */ int4 a;
};
int4 tint_mod(int4 lhs, int4 rhs) {
int4 const rhs_or_one = select(rhs, int4(1), ((rhs == int4(0)) | ((lhs == int4((-2147483647 - 1))) & (rhs == int4(-1)))));
if (any(((uint4((lhs | rhs_or_one)) & uint4(2147483648u)) != uint4(0u)))) {
return as_type<int4>((as_type<uint4>(lhs) - as_type<uint4>(as_type<int4>((as_type<uint4>((lhs / rhs_or_one)) * as_type<uint4>(rhs_or_one))))));
} else {
return (lhs % rhs_or_one);
}
}
void foo(device S* const tint_symbol) {
(*(tint_symbol)).a = tint_mod((*(tint_symbol)).a, int4(2));
}