 This bug changed a little with current git, because there is no color changes
now, but it does not work right llvm failed and seems just turn it off... At
least there is no color changes :)

LLVM triggered Diagnostic Handler: SIInstrInfo::storeRegToStackSlot - Can't
spill VGPR!
LLVM triggered Diagnostic Handler: SIInstrInfo::loadRegToStackSlot - Can't
retrieve spilled VGPR!
LLVM triggered Diagnostic Handler: SIInstrInfo::storeRegToStackSlot - Can't
spill VGPR!
........
LLVM triggered Diagnostic Handler: SIInstrInfo::storeRegToStackSlot - Can't
spill VGPR!
LLVM triggered Diagnostic Handler: SIInstrInfo::loadRegToStackSlot - Can't
retrieve spilled VGPR!
radeon_llvm_compile: Processing Diag Flag
LLVM failed to compile shader
EE si_state.c:2214 si_shader_select - Failed to build shader variant (type=1) 1