agx: fix ctz of zero with address calcs
../src/asahi/compiler/agx_nir_lower_address.c:82:30: runtime error: passing zero to ctz(), which is not a valid argument
#0 0x56175dca5684 in pass ../src/asahi/compiler/agx_nir_lower_address.c:82
#1 0x56175dca2eda in nir_function_intrinsics_pass ../src/compiler/nir/nir_builder.h:164
#2 0x56175dca308c in nir_shader_intrinsics_pass ../src/compiler/nir/nir_builder.h:191
#3 0x56175dca68ae in agx_nir_lower_address ../src/asahi/compiler/agx_nir_lower_address.c:167
#4 0x56175dc885c0 in agx_optimize_nir ../src/asahi/compiler/agx_compile.c:3063
#5 0x56175dc9650d in agx_compile_shader_nir ../src/asahi/compiler/agx_compile.c:3827
#6 0x56175dc52148 in main ../src/asahi/clc/asahi_clc.c:359
#7 0x7fdf1c343249 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#8 0x7fdf1c343304 in __libc_start_main_impl ../csu/libc-start.c:360
#9 0x56175dc44760 in _start (/builds/mesa/mesa/_build/src/asahi/clc/asahi_clc+0xbd0760)
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33685>
2 files changed
