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nir: add deref lowering sanity checking

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This will be removed at the end of the transition, but add some tracking
plus asserts to help ensure that lowering passes are called at the
correct point (pre or post deref instruction lowering) as passes are
converted and the point where lower_deref_instrs() is called is moved.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Acked-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Rob Clark
2018-05-16 10:02:55 -04:00
committed by Jason Ekstrand
parent 74212c2414
commit d80c342d89
36 changed files with 85 additions and 0 deletions
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12
src/compiler/nir/nir.h
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@@ -2133,8 +2133,19 @@ typedef struct nir_shader {
* access plus one
*/
unsigned num_inputs, num_uniforms, num_outputs, num_shared;
/* temporary, tracking for which derefs instructions have been lowered
* to deref chains
*/
unsigned lowered_derefs;
} nir_shader;
#define nir_assert_lowered_derefs(shader, mask) \
assert(((shader)->lowered_derefs & (mask)) == (mask))
#define nir_assert_unlowered_derefs(shader, mask) \
assert(!((shader)->lowered_derefs & (mask)))
static inline nir_function_impl *
nir_shader_get_entrypoint(nir_shader *shader)
{
@@ -2681,6 +2692,7 @@ enum nir_lower_deref_flags {
nir_lower_atomic_counter_derefs = (1 << 3),
nir_lower_atomic_derefs = (1 << 4),
nir_lower_image_derefs = (1 << 5),
nir_lower_all_derefs = (1 << 6) - 1,
};
bool nir_lower_deref_instrs(nir_shader *shader,