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microsoft / DirectXShaderCompiler

This repo hosts the source for the DirectX Shader Compiler which is based on LLVM/Clang.

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Resources in groupshared memory causes internal compiler error

pow2clk opened this issue · comments

commented

Description
Applying the groupshared qualifier onto resource globals results in an internal compiler error. This shouldn't be allowed, but it should produce a useful user error and not an internal casting failure.

Steps to Reproduce

Declare a texture and/or sampler with the groupshared qualifier and make use of them so they don't get eliminated.

https://godbolt.org/z/cbcq74x31

Actual Behavior
results in the error: "Internal Compiler error: cast() argument of incompatible type!"

Environment

  • DXC version 1.8.2405
  • Host Operating System win11