LLVM 3.4 и драйвера radeon

grep -r "DBG_" .
./evergreen_compute.h:  if (!(rscreen->b.debug_flags & DBG_COMPUTE)) {
./sb/sb_core.cpp:       sb_context::dump_pass = df & DBG_SB_DUMP;
./sb/sb_core.cpp:       sb_context::dump_stat = df & DBG_SB_STAT;
./sb/sb_core.cpp:       sb_context::dry_run = df & DBG_SB_DRY_RUN;
./sb/sb_core.cpp:       sb_context::no_fallback = df & DBG_SB_NO_FALLBACK;
./sb/sb_core.cpp:       sb_context::safe_math = df & DBG_SB_SAFEMATH;
./r600_asm.c:   unsigned no_sb = rctx->screen->b.debug_flags & DBG_NO_SB;
./r600_asm.c:   unsigned sb_disasm = !no_sb || (rctx->screen->b.debug_flags & DBG_SB_DISASM);
./r600_asm.c:   if (rctx->screen->b.debug_flags & DBG_FS) {
./r600_shader.c:        unsigned use_sb = !(rctx->screen->b.debug_flags & DBG_NO_SB);
./r600_shader.c:        unsigned sb_disasm = use_sb || (rctx->screen->b.debug_flags & DBG_SB_DISASM);
./r600_shader.c:        use_llvm = !(rscreen->b.debug_flags & DBG_NO_LLVM);
./r600_pipe.h:#define DBG_NO_LLVM               (1 << 17)
./r600_pipe.h:#define DBG_NO_CP_DMA             (1 << 18)
./r600_pipe.h:#define DBG_NO_ASYNC_DMA  (1 << 19)
./r600_pipe.h:#define DBG_NO_SB         (1 << 21)
./r600_pipe.h:#define DBG_SB_CS         (1 << 22)
./r600_pipe.h:#define DBG_SB_DRY_RUN    (1 << 23)
./r600_pipe.h:#define DBG_SB_STAT               (1 << 24)
./r600_pipe.h:#define DBG_SB_DUMP               (1 << 25)
./r600_pipe.h:#define DBG_SB_NO_FALLBACK        (1 << 26)
./r600_pipe.h:#define DBG_SB_DISASM     (1 << 27)
./r600_pipe.h:#define DBG_SB_SAFEMATH   (1 << 28)
./evergreen_compute.c:          bool dump = (ctx->screen->b.debug_flags & DBG_CS) != 0;
./evergreen_compute.c:          unsigned use_sb = ctx->screen->b.debug_flags & DBG_SB_CS;
./evergreen_compute.c:                  (ctx->screen->b.debug_flags & DBG_SB_DISASM);
./r600_pipe.c:  { "nollvm", DBG_NO_LLVM, "Disable the LLVM shader compiler" },
./r600_pipe.c:  { "nocpdma", DBG_NO_CP_DMA, "Disable CP DMA" },
./r600_pipe.c:  { "nodma", DBG_NO_ASYNC_DMA, "Disable asynchronous DMA" },
./r600_pipe.c:  { "nosb", DBG_NO_SB, "Disable sb backend for graphics shaders" },
./r600_pipe.c:  { "sbcl", DBG_SB_CS, "Enable sb backend for compute shaders" },
./r600_pipe.c:  { "sbdry", DBG_SB_DRY_RUN, "Don't use optimized bytecode (just print the dumps)" },
./r600_pipe.c:  { "sbstat", DBG_SB_STAT, "Print optimization statistics for shaders" },
./r600_pipe.c:  { "sbdump", DBG_SB_DUMP, "Print IR dumps after some optimization passes" },
./r600_pipe.c:  { "sbnofallback", DBG_SB_NO_FALLBACK, "Abort on errors instead of fallback" },
./r600_pipe.c:  { "sbdisasm", DBG_SB_DISASM, "Use sb disassembler for shader dumps" },
./r600_pipe.c:  { "sbsafemath", DBG_SB_SAFEMATH, "Disable unsafe math optimizations" },
./r600_pipe.c:  if (rscreen->b.info.r600_has_dma && !(rscreen->b.debug_flags & DBG_NO_ASYNC_DMA)) {
./r600_pipe.c:          rscreen->b.debug_flags |= DBG_COMPUTE;
./r600_pipe.c:          rscreen->b.debug_flags |= DBG_FS | DBG_VS | DBG_GS | DBG_PS | DBG_CS;
./r600_pipe.c:          rscreen->b.debug_flags |= DBG_NO_HYPERZ;
./r600_pipe.c:          rscreen->b.debug_flags |= DBG_NO_LLVM;
./r600_pipe.c:                        !(rscreen->b.debug_flags & DBG_NO_CP_DMA);
./r600_pipe.c:  if (rscreen->b.info.drm_minor >= 28 && (rscreen->b.debug_flags & DBG_TRACE_CS)) {

 $ GALLIUM_HUD=help celestia
Syntax: GALLIUM_HUD=name1[+name2][...][:value1][,nameI...][;nameJ...]

  Names are identifiers of data sources which will be drawn as graphs
  in panes. Multiple graphs can be drawn in the same pane.
  There can be multiple panes placed in rows and columns.

  '+' separates names which will share a pane.
  ':[value]' specifies the initial maximum value of the Y axis
             for the given pane.
  ',' creates a new pane below the last one.
  ';' creates a new pane at the top of the next column.

  Example: GALLIUM_HUD="cpu,fps;primitives-generated"

  Available names:
    fps
    cpu
    cpu0
    cpu1
    cpu2
    cpu3
    cpu4
    cpu5
    cpu6
    cpu7
    samples-passed (pixels-rendered)
    primitives-generated
    draw-calls
    requested-VRAM
    requested-GTT
    pipeline-statistics-
                        ia_vertices
                        ia_primitives
                        vs_invocations
                        gs_invocations
                        gs_primitives
                        c_invocationd
                        c_primitives
                        ps_invocations
                        hs_invocations
                        ds_invocations
                        cs_invocations