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HLSL: Fix #919: for-init-statement is arbitrary declaration or expression.

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Unlike "if (XXX)" and "while (XXX)", with "for (YYY...", the YYY can be
more kinds of statements than the XXX.
This commit is contained in:
John Kessenich 2017-06-06 11:37:33 -06:00
parent e00e8f45a6
commit 0e07119ae2
5 changed files with 322 additions and 62 deletions
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14
Test/hlsl.forLoop.frag
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@ -5,9 +5,13 @@ float4 PixelShaderFunction(float4 input) : COLOR0
[unroll] for (; any(input != input); ) {}
for (; any(input != input); ) { return -input; }
for (--input; any(input != input); input += 2) { return -input; }
for (;;) if (input.x > 2.0) break;
for (;;) if (input.x > 2.0) continue;
float ii;
for (int ii = -1; ii < 3; ++ii) if (ii == 2) continue;
--ii;
for (;;) if (input.x > 2.0) break;
for (;;) if (input.x > 2.0) continue;
float ii;
for (int ii = -1; ii < 3; ++ii) if (ii == 2) continue;
--ii;
for (int first = 0, second = 1; ;) first + second;
for ( int i = 0, count = int(ii); i < count; i++ );
for (float first = 0, second[2], third; first < second[0]; ++second[1]) first + second[1] + third;
for (--ii, --ii, --ii;;) ii;
}