https://github.com/shader-slang/slang
Revision 37315c96ea48045fae60f0e1cb1a3293f3ddd962 authored by Tim Foley on 20 November 2017, 21:45:10 UTC, committed by GitHub on 20 November 2017, 21:45:10 UTC
The big change here is that the ability to contain basic blocks with instructions in them has been hoisted from `IRFunc` into a new base type `IRGlobalValueWithCode` shared with `IRGlobalVar`.
The basic blocks of a global variable define initialization logic for it; they can be looked at like a function that returns the initial value.

Places in the IR that used to assume functions contain all the code need to be updated, but so far I only handled the cloning step.

The emit logic currently handles an initializer for a global variable by outputting its logic as a separate function, and then having the variable call that function to initialize itself. This should be cleaned up over time so that we generate an ordinary expression whenever possible.

I also made the emit logic correctly label any global variable without a layout (that is, any that don't represent a shader parameter) as `static` so that the downstream HLSL compiler sees them as variables rather than parameters.
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Tip revision: 37315c96ea48045fae60f0e1cb1a3293f3ddd962 authored by Tim Foley on 20 November 2017, 21:45:10 UTC
IR: support global variable with initializers (#294)
Tip revision: 37315c9
CODE_OF_CONDUCT.md
# Contributor Covenant Code of Conduct

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## Attribution

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[homepage]: http://contributor-covenant.org
[version]: http://contributor-covenant.org/version/1/4/
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