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nir: Make an easier helper for setting up SSA defs.

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Almost all instructions we nir_ssa_def_init() for are nir_dests, and you
have to keep from forgetting to set is_ssa when you do.  Just provide the
simpler helper, instead.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Eric Anholt
2015-01-20 16:23:51 -08:00
parent c5be9c126d
commit 534a4ec82f
13 changed files with 46 additions and 66 deletions
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11
src/glsl/nir/nir_lower_io.c
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@@ -151,8 +151,7 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect,
mul->src[1].src = nir_src_copy(deref_array->indirect,
state->mem_ctx);
mul->dest.write_mask = 1;
mul->dest.dest.is_ssa = true;
nir_ssa_def_init(&mul->instr, &mul->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&mul->instr, &mul->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &mul->instr);
if (found_indirect) {
@@ -162,8 +161,7 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect,
add->src[1].src.is_ssa = true;
add->src[1].src.ssa = &mul->dest.dest.ssa;
add->dest.write_mask = 1;
add->dest.dest.is_ssa = true;
nir_ssa_def_init(&add->instr, &add->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&add->instr, &add->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &add->instr);
indirect->is_ssa = true;
@@ -235,9 +233,8 @@ nir_lower_io_block(nir_block *block, void *void_state)
load->src[0] = indirect;
if (intrin->dest.is_ssa) {
load->dest.is_ssa = true;
nir_ssa_def_init(&load->instr, &load->dest.ssa,
intrin->num_components, NULL);
nir_ssa_dest_init(&load->instr, &load->dest,
intrin->num_components, NULL);
nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
nir_src_for_ssa(&load->dest.ssa),
state->mem_ctx);