diff options
| author | Jason Ekstrand <[email protected]> | 2018-09-11 13:06:01 -0500 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2018-09-19 02:00:49 -0500 |
| commit | 976046a8d8f9bed8f805d09ac5aebe63b81a71d9 (patch) | |
| tree | 4812fa365c551028db289300ee0b0780d4291449 /src/compiler/nir/nir_from_ssa.c | |
| parent | 864c780566b8782c4fc69b4337db768223717bd8 (diff) | |
nir: Add some asserts that we don't put derefs in phis
The lcssa and phis_to_regs passes are used by various NIR optimizations
that modify the CFG. Putting a couple of asserts will help ensure that
we don't accidentally put derefs in phis as part of an optimization
pass.
Reviewed-by: Iago Toral Quiroga <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir_from_ssa.c')
| -rw-r--r-- | src/compiler/nir/nir_from_ssa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_from_ssa.c b/src/compiler/nir/nir_from_ssa.c index 1aa35509b11..19d4bc33820 100644 --- a/src/compiler/nir/nir_from_ssa.c +++ b/src/compiler/nir/nir_from_ssa.c @@ -901,6 +901,8 @@ nir_lower_phis_to_regs_block(nir_block *block) nir_foreach_phi_src(src, phi) { assert(src->src.is_ssa); + /* We don't want derefs ending up in phi sources */ + assert(!nir_src_as_deref(src->src)); place_phi_read(shader, reg, src->src.ssa, src->pred); } |