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46ee63933c
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>
16 lines
339 B
Plaintext
16 lines
339 B
Plaintext
#include <metal_stdlib>
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using namespace metal;
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int3 tint_div(int3 lhs, int rhs) {
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int3 const r = int3(rhs);
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return (lhs / select(r, int3(1), ((r == int3(0)) | ((lhs == int3((-2147483647 - 1))) & (r == int3(-1))))));
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}
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kernel void f() {
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int3 const a = int3(1, 2, 3);
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int const b = 4;
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int3 const r = tint_div(a, b);
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return;
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}
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