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| author | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-25 10:43:46 -0700 |
|---|---|---|
| committer | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-28 18:32:48 -0700 |
| commit | 1be4c61c957d656d0d874b82779b4016a8bb03fd (patch) | |
| tree | 54663a0b0be75ddd988740130ba8b0ce1b1c0c2f /src/compiler/nir/nir_builder.h | |
| parent | 6a2479d61804e6cfc7389e1185139d0c8be758e3 (diff) | |
| download | external_mesa3d-1be4c61c957d656d0d874b82779b4016a8bb03fd.zip external_mesa3d-1be4c61c957d656d0d874b82779b4016a8bb03fd.tar.gz external_mesa3d-1be4c61c957d656d0d874b82779b4016a8bb03fd.tar.bz2 | |
nir/builder: Add a helper for creating undefs
Reviewed-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'src/compiler/nir/nir_builder.h')
| -rw-r--r-- | src/compiler/nir/nir_builder.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index e9c409b..3dc7c25 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -75,6 +75,20 @@ nir_builder_cf_insert(nir_builder *build, nir_cf_node *cf) } static inline nir_ssa_def * +nir_ssa_undef(nir_builder *build, unsigned num_components, unsigned bit_size) +{ + nir_ssa_undef_instr *undef = + nir_ssa_undef_instr_create(build->shader, num_components); + undef->def.bit_size = bit_size; + if (!undef) + return NULL; + + nir_instr_insert(nir_before_cf_list(&build->impl->body), &undef->instr); + + return &undef->def; +} + +static inline nir_ssa_def * nir_build_imm(nir_builder *build, unsigned num_components, nir_const_value value) { nir_load_const_instr *load_const = |