This saves a couple of instructions on most programs with control
flow.  More interestingly, 6 shaders from unigine sanctuary now fit
into 16-wide without register spilling.
---
 src/mesa/drivers/dri/i965/brw_fs.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp 
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 8ca4a87..b6aa60e 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -1144,6 +1144,7 @@ fs_visitor::propagate_constants()
               break;
 
            case BRW_OPCODE_CMP:
+           case BRW_OPCODE_IF:
               if (i == 1) {
                  scan_inst->src[i] = inst->src[0];
                  progress = true;
-- 
1.7.7.3

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