Quote Originally Posted by ChrisXY View Post
Can I check which shader compiler is really used?

I (HD 6550M) have built mesa with --enable-r600-llvm-compiler and R600_LLVM set to 1. kwin with "opengl2 shaders" and xonotic work absolutely fine. By the way, xonotic on the "ultra" preset runs pretty good, so the radeon guys are doing something right.

edit: I guess I am using it. Portal 2 in wine with 32 bit crashes:
Code:
Backtrace:
=>0 0xf59deca4 in r600_dri.so (+0x14bca4) (0x0000027e)
  1 0xf5f95e10 in r600_dri.so (+0x702e0f) (0x7d6456ec)
  2 0xf5ee80ce _ZN4llvm19MachineFunctionPass13runOnFunctionERNS_8FunctionE+0x7d() in r600_dri.so (0xf696f0e8)
  3 0xf63a62b3 _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE+0x272() in r600_dri.so (0x7d62e538)
  4 0xf63a630c _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE+0x4b() in r600_dri.so (0x7d560068)
  5 0xf63a5f04 _ZN4llvm13MPPassManager11runOnModuleERNS_6ModuleE+0x1f3() in r600_dri.so (0x7d5c4038)
  6 0xf63a5fe9 _ZN4llvm15PassManagerImpl3runERNS_6ModuleE+0x78() in r600_dri.so (0x00000000)
  7 0xf63a6036 _ZN4llvm11PassManager3runERNS_6ModuleE+0x25() in r600_dri.so (0x00339a18)
  8 0xf59d21ef in r600_dri.so (+0x13f1ee) (0x00339a18)
  9 0xf59cfdfe in r600_dri.so (+0x13cdfd) (0x00339a90)
<snip>
The 32bit mesa build can sometimes pick up the 64 bit version of llvm depending on how you've configured things.