0e1310e59f
We call nir_lower_load_const_to_scalar in the state trackers linker however some later passes can reintroduce constant vectors. Here we lower these to scalar and perform optimisations. The Intel drivers do a similar call in their backend.. shader-db results VEGA 64: Totals from affected shaders: SGPRS: 152168 -> 151976 (-0.13 %) VGPRS: 135224 -> 135112 (-0.08 %) Spilled SGPRs: 4027 -> 4163 (3.38 %) Spilled VGPRs: 0 -> 0 (0.00 %) Private memory VGPRs: 0 -> 0 (0.00 %) Scratch size: 0 -> 0 (0.00 %) dwords per thread Code Size: 10670028 -> 10654776 (-0.14 %) bytes LDS: 0 -> 0 (0.00 %) blocks Max Waves: 13122 -> 13135 (0.10 %) Wait states: 0 -> 0 (0.00 %) Reviewed-by: Marek Olšák <marek.olsak@amd.com>
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