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anv/apply_pipeline_layout: Initialize the nir_builder before use

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Fixes: #2410
Fixes: 3c754900b5 "nir: don't emit ishl in _nir_mul_imm() if backend doesn't support bitops"
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3548>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3548>
This commit is contained in:
Jason Ekstrand 2020-01-23 21:24:15 -06:00 • committed by Mark Janes
parent adaa3583f5
commit 8a135ff6e5
1 changed files with 2 additions and 1 deletions
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3
src/intel/vulkan/anv_nir_apply_pipeline_layout.c
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@ -1328,6 +1328,8 @@ anv_nir_apply_pipeline_layout(const struct anv_physical_device *pdevice,
if (!function->impl)
continue;
nir_builder_init(&state.builder, function->impl);
/* Before we do the normal lowering, we look for any SSBO operations
* that we can lower to the BTI model and lower them up-front. The BTI
* model can perform better than the A64 model for a couple reasons:
@ -1360,7 +1362,6 @@ anv_nir_apply_pipeline_layout(const struct anv_physical_device *pdevice,
*/
lower_direct_buffer_access(function->impl, &state);
nir_builder_init(&state.builder, function->impl);
nir_foreach_block(block, function->impl)
apply_pipeline_layout_block(block, &state);
nir_metadata_preserve(function->impl, nir_metadata_block_index |