Mesa (master): st_glsl_to_tgsi: only do mov copy propagation on temps (v2)

[Dave Airlie]

Module: Mesa
Branch: master
Commit: 91e3533481d6921c4b46109742d6f67b7f897f86
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=91e3533481d6921c4b46109742d6f67b7f897f86

Author: Dave Airlie <airlied at redhat.com>
Date:   Thu Mar 26 09:17:39 2015 +1000

st_glsl_to_tgsi: only do mov copy propagation on temps (v2)

Don't propagate ARRAYs

This should fix:
https://bugs.freedesktop.org/show_bug.cgi?id=89759

v2: just specify arrays so we get input propagation
Signed-off-by: Dave Airlie <airlied at redhat.com>
Cc: mesa-stable at lists.freedesktop.org
Reviewed-by: Ilia Mirkin <imirkin at alum.mit.edu>

---

 src/mesa/state_tracker/st_glsl_to_tgsi.cpp |    1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index efee4b2..b619326 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -3937,6 +3937,7 @@ glsl_to_tgsi_visitor::copy_propagate(void)
              inst->dst[0].index == inst->src[0].index) &&
           !inst->dst[0].reladdr &&
           !inst->saturate &&
+          inst->src[0].file != PROGRAM_ARRAY &&
           !inst->src[0].reladdr &&
           !inst->src[0].reladdr2 &&
           !inst->src[0].negate) {