mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-06-01 04:01:26 +00:00
Prevents UB for divide-by-zero and integer overflow when dividing Fixed: tint:1349 Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
15 lines
285 B
Plaintext
15 lines
285 B
Plaintext
#include <metal_stdlib>
|
|
|
|
using namespace metal;
|
|
int tint_div(int lhs, int rhs) {
|
|
return (lhs / select(rhs, 1, bool((rhs == 0) | bool((lhs == (-2147483647 - 1)) & (rhs == -1)))));
|
|
}
|
|
|
|
kernel void f() {
|
|
int const a = 1;
|
|
int const b = 2;
|
|
int const r = tint_div(a, b);
|
|
return;
|
|
}
|
|
|