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nir: Remove reg-only dest manipulation

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24432>
This commit is contained in:
Alyssa Rosenzweig 2023-08-01 11:45:49 -04:00 • committed by Marge Bot
parent ab0d878932
commit c512636cf0
2 changed files with 0 additions and 42 deletions
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37
src/compiler/nir/nir.c
View file

@ -503,16 +503,6 @@ void nir_src_copy(nir_src *dest, const nir_src *src, nir_instr *instr)
src_copy(dest, src, instr ? gc_get_context(instr) : NULL);
}
void nir_dest_copy(nir_dest *dest, const nir_dest *src, nir_instr *instr)
{
/* Copying an SSA definition makes no sense whatsoever. */
assert(!src->is_ssa);
dest->is_ssa = false;
dest->reg.reg = src->reg.reg;
}
void
nir_alu_src_copy(nir_alu_src *dest, const nir_alu_src *src,
nir_alu_instr *instr)
@ -524,14 +514,6 @@ nir_alu_src_copy(nir_alu_src *dest, const nir_alu_src *src,
dest->swizzle[i] = src->swizzle[i];
}
void
nir_alu_dest_copy(nir_alu_dest *dest, const nir_alu_dest *src,
nir_alu_instr *instr)
{
nir_dest_copy(&dest->dest, &src->dest, &instr->instr);
dest->write_mask = src->write_mask;
}
bool
nir_alu_src_is_trivial_ssa(const nir_alu_instr *alu, unsigned srcn)
{
@ -1659,25 +1641,6 @@ nir_if_rewrite_condition(nir_if *if_stmt, nir_src new_src)
src_add_all_uses(src, NULL, if_stmt);
}
void
nir_instr_rewrite_dest(nir_instr *instr, nir_dest *dest, nir_dest new_dest)
{
if (dest->is_ssa) {
/* We can only overwrite an SSA destination if it has no uses. */
assert(nir_ssa_def_is_unused(&dest->ssa));
} else {
list_del(&dest->reg.def_link);
}
/* We can't re-write with an SSA def */
assert(!new_dest.is_ssa);
nir_dest_copy(dest, &new_dest, instr);
dest->reg.parent_instr = instr;
list_addtail(&dest->reg.def_link, &new_dest.reg.reg->defs);
}
void
nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
unsigned num_components,

5
src/compiler/nir/nir.h
View file

@ -1176,7 +1176,6 @@ nir_is_sequential_comp_swizzle(uint8_t *swiz, unsigned nr_comp)
}
void nir_src_copy(nir_src *dest, const nir_src *src, nir_instr *instr);
void nir_dest_copy(nir_dest *dest, const nir_dest *src, nir_instr *instr);
typedef struct {
/** Base source */
@ -1557,8 +1556,6 @@ typedef struct nir_alu_instr {
void nir_alu_src_copy(nir_alu_src *dest, const nir_alu_src *src,
nir_alu_instr *instr);
void nir_alu_dest_copy(nir_alu_dest *dest, const nir_alu_dest *src,
nir_alu_instr *instr);
bool nir_alu_instr_is_copy(nir_alu_instr *instr);
@ -4521,8 +4518,6 @@ void nir_instr_rewrite_src(nir_instr *instr, nir_src *src, nir_src new_src);
void nir_instr_move_src(nir_instr *dest_instr, nir_src *dest, nir_src *src);
void nir_if_rewrite_condition(nir_if *if_stmt, nir_src new_src);
void nir_instr_rewrite_dest(nir_instr *instr, nir_dest *dest,
nir_dest new_dest);
void nir_ssa_dest_init(nir_instr *instr, nir_dest *dest,
unsigned num_components, unsigned bit_size);