r600g/sb: improve optimization of conditional instructions

[mesa.git] / src / gallium / drivers / r600 / sb / sb_core.cpp

diff --git a/src/gallium/drivers/r600/sb/sb_core.cpp b/src/gallium/drivers/r600/sb/sb_core.cpp
index 034505704fe71b9fd6ca308dbc94412e44dbafeb..5b917ac6e7595af008660669d7d3454fba1dabf1 100644 (file)
--- a/src/gallium/drivers/r600/sb/sb_core.cpp
+++ b/src/gallium/drivers/r600/sb/sb_core.cpp
@@ -188,9 +188,14 @@ int r600_sb_bytecode_process(struct r600_context *rctx,
 
        sh->set_undef(sh->root->live_before);
 
-       SB_RUN_PASS(peephole,                   1);
        SB_RUN_PASS(if_conversion,              1);
 
+       // if_conversion breaks info about uses, but next pass (peephole)
+       // doesn't need it, so we can skip def/use update here
+       // until it's really required
+       //SB_RUN_PASS(def_use,                  0);
+
+       SB_RUN_PASS(peephole,                   1);
        SB_RUN_PASS(def_use,                    0);
 
        SB_RUN_PASS(gvn,                                1);