This was originally located in nir_opt_cse.
Move it out for reuse.
Signed-off-by: Thomas Helland <thomashellan...@gmail.com>
---
This probably is not that smart. We can ofcourse roll our
own in value range pass. It was just so conventient at the time.
src/glsl/nir/nir.c | 21 +++++++++++++++++++++
src/glsl/nir/nir.h | 3 +++
src/glsl/nir/nir_opt_cse.c | 20 --------------------
3 files changed, 24 insertions(+), 20 deletions(-)
diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c
index 78ff886..4234593 100644
--- a/src/glsl/nir/nir.c
+++ b/src/glsl/nir/nir.c
@@ -1594,6 +1594,27 @@ nir_foreach_ssa_def(nir_instr *instr,
nir_foreach_ssa_def_cb cb, void *state)
}
}
+nir_ssa_def *
+nir_instr_get_dest_ssa_def(nir_instr *instr)
+{
+ switch (instr->type) {
+ case nir_instr_type_alu:
+ assert(nir_instr_as_alu(instr)->dest.dest.is_ssa);
+ return &nir_instr_as_alu(instr)->dest.dest.ssa;
+ case nir_instr_type_load_const:
+ return &nir_instr_as_load_const(instr)->def;
+ case nir_instr_type_phi:
+ assert(nir_instr_as_phi(instr)->dest.is_ssa);
+ return &nir_instr_as_phi(instr)->dest.ssa;
+ case nir_instr_type_intrinsic:
+ assert(nir_instr_as_intrinsic(instr)->dest.is_ssa);
+ return &nir_instr_as_intrinsic(instr)->dest.ssa;
+ default:
+ unreachable("We never ask for any of these");
+ return NULL;
+ }
+}
+
static bool
visit_src(nir_src *src, nir_foreach_src_cb cb, void *state)
{
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index e9a506c..0837a9b 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1560,6 +1560,9 @@ bool nir_foreach_ssa_def(nir_instr *instr,
nir_foreach_ssa_def_cb cb,
bool nir_foreach_dest(nir_instr *instr, nir_foreach_dest_cb cb, void *state);
bool nir_foreach_src(nir_instr *instr, nir_foreach_src_cb cb, void *state);
+nir_ssa_def *
+nir_instr_get_dest_ssa_def(nir_instr *instr);
+
nir_const_value *nir_src_as_const_value(nir_src src);
bool nir_srcs_equal(nir_src src1, nir_src src2);
void nir_instr_rewrite_src(nir_instr *instr, nir_src *src, nir_src new_src);
diff --git a/src/glsl/nir/nir_opt_cse.c b/src/glsl/nir/nir_opt_cse.c
index 553906e..348c416 100644
--- a/src/glsl/nir/nir_opt_cse.c
+++ b/src/glsl/nir/nir_opt_cse.c
@@ -205,26 +205,6 @@ nir_instr_can_cse(nir_instr *instr)
return false;
}
-static nir_ssa_def *
-nir_instr_get_dest_ssa_def(nir_instr *instr)
-{
- switch (instr->type) {
- case nir_instr_type_alu:
- assert(nir_instr_as_alu(instr)->dest.dest.is_ssa);
- return &nir_instr_as_alu(instr)->dest.dest.ssa;
- case nir_instr_type_load_const:
- return &nir_instr_as_load_const(instr)->def;
- case nir_instr_type_phi:
- assert(nir_instr_as_phi(instr)->dest.is_ssa);
- return &nir_instr_as_phi(instr)->dest.ssa;
- case nir_instr_type_intrinsic:
- assert(nir_instr_as_intrinsic(instr)->dest.is_ssa);
- return &nir_instr_as_intrinsic(instr)->dest.ssa;
- default:
- unreachable("We never ask for any of these");
- }
-}
-
static void
nir_opt_cse_instr(nir_instr *instr, struct cse_state *state)
{
--
2.4.5
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