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HLSL: Track control-flow nesting and warn on aliasing under it.

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This commit is contained in:
John Kessenich 2017-06-06 19:52:55 -06:00
parent 9b2531ba23
commit f6deacd579
2 changed files with 21 additions and 4 deletions
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2
hlsl/hlslParseHelper.cpp
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@ -518,7 +518,7 @@ TIntermTyped* HlslParseContext::handleSamplerLvalue(const TSourceLoc& loc, const
}
if (controlFlowNestingLevel > 0)
error(loc, "can't alias sampler in control flow", op, "");
warn(loc, "sampler or image aliased under control flow; consumption must be in same path", op, "");
// Best is if we are aliasing a flattened struct member "S.s1 = s2",
// in which case we want to update the flattening information with the alias,