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nir: add nir_after_phis() cursor helper

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And re-implement nir_after_cf_node_and_phis() using it.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Connor Abbott
2016-09-02 19:06:52 -04:00
parent 64a69059ce
commit 0dc4cabee2
1 changed files with 14 additions and 5 deletions
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19
src/compiler/nir/nir.h
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@@ -1758,6 +1758,9 @@ typedef struct nir_shader_compiler_options {
* information must be inferred from the list of input nir_variables.
*/
bool use_interpolated_input_intrinsics;
bool lower_b2dx;
bool lower_b2i;
} nir_shader_compiler_options;
typedef struct nir_shader_info {
@@ -2107,6 +2110,16 @@ nir_after_cf_node(nir_cf_node *node)
return nir_before_block(nir_cf_node_as_block(nir_cf_node_next(node)));
}
static inline nir_cursor
nir_after_phis(nir_block *block)
{
nir_foreach_instr(instr, block) {
if (instr->type != nir_instr_type_phi)
return nir_before_instr(instr);
}
return nir_after_block(block);
}
static inline nir_cursor
nir_after_cf_node_and_phis(nir_cf_node *node)
{
@@ -2116,11 +2129,7 @@ nir_after_cf_node_and_phis(nir_cf_node *node)
nir_block *block = nir_cf_node_as_block(nir_cf_node_next(node));
assert(block->cf_node.type == nir_cf_node_block);
nir_foreach_instr(instr, block) {
if (instr->type != nir_instr_type_phi)
return nir_before_instr(instr);
}
return nir_after_block(block);
return nir_after_phis(block);
}
static inline nir_cursor