Mesa (master): nir: Don't produce nir_op_flog from GLSL IR

[Ian Romanick]

Module: Mesa
Branch: master
Commit: ad51f9b4213d90489362d98f5aa2bf1956ef6f53
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ad51f9b4213d90489362d98f5aa2bf1956ef6f53

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Wed May  6 17:01:37 2015 -0700

nir: Don't produce nir_op_flog from GLSL IR

All paths that produce GLSL IR for NIR lower ir_unop_log.  All paths
that consume NIR will explode if they geta nir_op_flog.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Matt Turner <mattst88 at gmail.com>
Acked-by: Jason Ekstrand <jason.ekstrand at intel.com>

---

 src/glsl/nir/glsl_to_nir.cpp |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/glsl/nir/glsl_to_nir.cpp b/src/glsl/nir/glsl_to_nir.cpp
index 3025d6b..74cfb55 100644
--- a/src/glsl/nir/glsl_to_nir.cpp
+++ b/src/glsl/nir/glsl_to_nir.cpp
@@ -1039,7 +1039,7 @@ nir_visitor::visit(ir_expression *ir)
    case ir_unop_rsq:  emit(nir_op_frsq, dest_size, srcs);  break;
    case ir_unop_sqrt: emit(nir_op_fsqrt, dest_size, srcs); break;
    case ir_unop_exp:  unreachable("ir_unop_exp should have been lowered");
-   case ir_unop_log:  emit(nir_op_flog, dest_size, srcs);  break;
+   case ir_unop_log:  unreachable("ir_unop_log should have been lowered");
    case ir_unop_exp2: emit(nir_op_fexp2, dest_size, srcs); break;
    case ir_unop_log2: emit(nir_op_flog2, dest_size, srcs); break;
    case ir_unop_i2f: