461f1506e7
This is not necessary, as we must emit an invalidating store before we
potentially consume an invalid expression. In fact, we're a bit
conservative here in this case for example:
int tmp = variable;
if (...)
{
variable = 10;
}
else
{
// Consuming tmp here is fine, but it was
// invalidated while emitting other branch.
// Technically, we need to study if there is an invalidating store
// in the CFG between the loading block and this block, and the other
// branch will not be a part of that analysis.
int tmp2 = tmp * tmp;
}
Fixing this case means complex CFG traversal *everywhere*, and it feels like overkill.
Fixing this exposed a bug with access chains, so fix a bug where expression dependencies were not
inherited properly in access chains. Access chains are now considered forwarded if there
is at least one dependency which is also forwarded.
68 lines
1.4 KiB
JavaScript
68 lines
1.4 KiB
JavaScript
#version 310 es
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precision mediump float;
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precision highp int;
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layout(location = 0) out mediump int FragColor;
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void main()
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{
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mediump int _145;
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for (;;)
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{
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FragColor = 16;
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_145 = 0;
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for (; _145 < 25; )
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{
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FragColor += 10;
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_145++;
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continue;
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}
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for (mediump int _146 = 1; _146 < 30; )
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{
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FragColor += 11;
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_146++;
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continue;
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}
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mediump int _147;
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_147 = 0;
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for (; _147 < 20; )
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{
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FragColor += 12;
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_147++;
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continue;
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}
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mediump int _62 = _147 + 3;
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FragColor += _62;
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if (_62 == 40)
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{
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for (mediump int _151 = 0; _151 < 40; )
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{
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FragColor += 13;
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_151++;
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continue;
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}
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break;
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}
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FragColor += _62;
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mediump ivec2 _148;
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_148 = ivec2(0);
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for (; _148.x < 10; )
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{
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FragColor += _148.y;
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mediump ivec2 _144 = _148;
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_144.x = _148.x + 4;
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_148 = _144;
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continue;
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}
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for (mediump int _150 = _62; _150 < 40; )
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{
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FragColor += _150;
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_150++;
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continue;
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}
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FragColor += _62;
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break;
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}
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}
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