diff options
Diffstat (limited to 'src/compiler/nir/nir_search.c')
| -rw-r--r-- | src/compiler/nir/nir_search.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/compiler/nir/nir_search.c b/src/compiler/nir/nir_search.c index eb7249cfdec..de5a8d25ada 100644 --- a/src/compiler/nir/nir_search.c +++ b/src/compiler/nir/nir_search.c @@ -673,9 +673,8 @@ nir_replace_instr(nir_builder *build, nir_alu_instr *instr, instr->dest.dest.ssa.bit_size, &state, &instr->instr); - /* Inserting a mov may be unnecessary. However, it's much easier to - * simply let copy propagation clean this up than to try to go through - * and rewrite swizzles ourselves. + /* Note that NIR builder will elide the MOV if it's a no-op, which may + * allow more work to be done in a single pass through algebraic. */ nir_ssa_def *ssa_val = nir_mov_alu(build, val, instr->dest.dest.ssa.num_components); |