Mesa (master): vc4: Allow dead code elimination of instructions that read uniforms.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: 44b8eb743d644d2839fad12911fd6330414d22e3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=44b8eb743d644d2839fad12911fd6330414d22e3

Author: Eric Anholt <eric at anholt.net>
Date:   Tue Sep 16 16:02:27 2014 -0700

vc4: Allow dead code elimination of instructions that read uniforms.

---

 src/gallium/drivers/vc4/vc4_qir.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/gallium/drivers/vc4/vc4_qir.c b/src/gallium/drivers/vc4/vc4_qir.c
index 216abb3..69152e7 100644
--- a/src/gallium/drivers/vc4/vc4_qir.c
+++ b/src/gallium/drivers/vc4/vc4_qir.c
@@ -120,8 +120,7 @@ bool
 qir_has_side_effects(struct qinst *inst)
 {
         for (int i = 0; i < qir_get_op_nsrc(inst->op); i++) {
-                if (inst->src[i].file == QFILE_VARY ||
-                    inst->src[i].file == QFILE_UNIF)
+                if (inst->src[i].file == QFILE_VARY)
                         return true;
         }