Type "meson build && meson compile -C build" to build amdgcn_glslc.

amdgcn_glslc works only if radeonsi_dri.so is loaded by libGL.
It's just a GL application that sets R600_DEBUG and captures stderr.

To run the tests, use llvm-lit from your llvm checkout and run:

  llvm-lit -v *.glsl
