diff options
| author | Kenneth Graunke <[email protected]> | 2015-09-03 01:29:38 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2015-09-23 10:59:59 -0700 |
| commit | 6a67ede6b33cfb3bc35d09dcd25a731cba3b7780 (patch) | |
| tree | 8276e2c646199798d18fa60bab4985a34de3d1c1 /src | |
| parent | 8dcbca59572a856ca554af9ab3f52120b6f2a929 (diff) | |
nir: Validate that a block doesn't have two identical successors.
This is invalid, and causes disasters if we try to unlink successors:
removing the first will work, but removing the second copy will fail
because the block isn't in the successor's predecessor set any longer.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/glsl/nir/nir_validate.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_validate.c b/src/glsl/nir/nir_validate.c index 9938c0ef8b1..1c9993a9c80 100644 --- a/src/glsl/nir/nir_validate.c +++ b/src/glsl/nir/nir_validate.c @@ -586,6 +586,7 @@ validate_block(nir_block *block, validate_state *state) } assert(block->successors[0] != NULL); + assert(block->successors[0] != block->successors[1]); for (unsigned i = 0; i < 2; i++) { if (block->successors[i] != NULL) { |