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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>
18 lines
407 B
Plaintext
18 lines
407 B
Plaintext
#include <metal_stdlib>
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using namespace metal;
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int4 tint_mod(int4 lhs, int rhs) {
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int4 const r = int4(rhs);
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return (lhs % select(r, int4(1), ((r == int4(0)) | ((lhs == int4((-2147483647 - 1))) & (r == int4(-1))))));
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}
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struct S {
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/* 0x0000 */ int4 a;
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};
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void foo(device S* const tint_symbol_1) {
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int4 const tint_symbol = tint_mod((*(tint_symbol_1)).a, 2);
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(*(tint_symbol_1)).a = tint_symbol;
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}
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