From the point it's constructed the CFG contains the only existing
copy of the program IR, and it never becomes invalid. Calling
backend_shader::invalidate_cfg would have destroyed the program
structure irrecoverably -- We weren't calling it at all for a good
reason.
---
src/mesa/drivers/dri/i965/brw_shader.cpp | 7 -------
src/mesa/drivers/dri/i965/brw_shader.h | 1 -
2 files changed, 8 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp
b/src/mesa/drivers/dri/i965/brw_shader.cpp
index dfe6afc..21977a2 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -1046,13 +1046,6 @@ backend_shader::calculate_cfg()
cfg = new(mem_ctx) cfg_t(&this->instructions);
}
-void
-backend_shader::invalidate_cfg()
-{
- ralloc_free(this->cfg);
- this->cfg = NULL;
-}
-
/**
* Sets up the starting offsets for the groups of binding table entries
* commong to all pipeline stages.
diff --git a/src/mesa/drivers/dri/i965/brw_shader.h
b/src/mesa/drivers/dri/i965/brw_shader.h
index 82374a4..15bed78 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.h
+++ b/src/mesa/drivers/dri/i965/brw_shader.h
@@ -217,7 +217,6 @@ public:
virtual void dump_instructions(const char *name);
void calculate_cfg();
- void invalidate_cfg();
virtual void invalidate_live_intervals() = 0;
};
--
2.7.0
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