51 lines
1.3 KiB
HLSL
51 lines
1.3 KiB
HLSL
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static bool tint_discarded = false;
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struct tint_symbol_2 {
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int old_value;
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bool exchanged;
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};
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RWByteAddressBuffer a : register(u0, space0);
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struct tint_symbol {
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int value : SV_Target0;
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};
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struct atomic_compare_exchange_weak_ret_type {
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int old_value;
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bool exchanged;
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};
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atomic_compare_exchange_weak_ret_type tint_atomicCompareExchangeWeak(RWByteAddressBuffer buffer, uint offset, int compare, int value) {
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atomic_compare_exchange_weak_ret_type result=(atomic_compare_exchange_weak_ret_type)0;
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buffer.InterlockedCompareExchange(offset, compare, value, result.old_value);
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result.exchanged = result.old_value == compare;
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return result;
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}
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int foo_inner() {
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tint_discarded = true;
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int x = 0;
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tint_symbol_2 tint_symbol_1 = (tint_symbol_2)0;
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if (!(tint_discarded)) {
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const atomic_compare_exchange_weak_ret_type tint_symbol_3 = tint_atomicCompareExchangeWeak(a, 0u, 0, 1);
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tint_symbol_1.old_value = tint_symbol_3.old_value;
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tint_symbol_1.exchanged = tint_symbol_3.exchanged;
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}
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const tint_symbol_2 result = tint_symbol_1;
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if (result.exchanged) {
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x = result.old_value;
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}
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return x;
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}
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tint_symbol foo() {
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const int inner_result = foo_inner();
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tint_symbol wrapper_result = (tint_symbol)0;
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wrapper_result.value = inner_result;
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if (tint_discarded) {
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discard;
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}
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return wrapper_result;
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}
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