Moving entire chunks of code into a dummy if block is causing issues
in some situations. To work around the issue that we tried to fix in
35d82ecf1e ("nir/lower_shader_calls: put inserted instructions into a
dummy block") which is that we cannot cut and past a block of
instruction that ends with a jump if there are more instruction behind
where we're going to past. We can instead just wraps the jumps into
dummy if blocks.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable
Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19820>
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