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nir: lower_non_uniform_access: iterate over instructions safely

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This pass moves instructions around and adds control-flow in the
middle of blocks. We need to use nir_foreach_instr_safe to ensure that
we iterate over instructions correctly anyway.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: 3bd5457641 ("nir: Add a lowering pass for non-uniform resource access")
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Lionel Landwerlin 2019-05-15 23:02:51 +01:00
parent 752367b766
commit e04cf0b612
1 changed files with 1 additions and 1 deletions
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src/compiler/nir/nir_lower_non_uniform_access.c
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@ -130,7 +130,7 @@ nir_lower_non_uniform_access_impl(nir_function_impl *impl,
nir_builder_init(&b, impl);
nir_foreach_block(block, impl) {
nir_foreach_instr(instr, block) {
nir_foreach_instr_safe(instr, block) {
switch (instr->type) {
case nir_instr_type_tex: {
nir_tex_instr *tex = nir_instr_as_tex(instr);