commit 39098a2053d4619faff8bc125eac412270a1bdec
author Samuel Pitoiset <samuel.pitoiset@gmail.com> Mon Sep 28 11:47:50 2020 +0200
committer Marge Bot <eric+marge@anholt.net> Mon Sep 28 14:47:02 2020 +0000
tree af3b8c5e53110050506d7a0b4cca896c137380df
parent de1409089c797cc3dfae968748610d57329ec555

nir/lower_memory_model: do not break with global atomic operations

Global atomics don't have an access flag.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6888>

src/compiler/nir/nir_lower_memory_model.c

diff --git a/src/compiler/nir/nir_lower_memory_model.c b/src/compiler/nir/nir_lower_memory_model.c
index 068dfc1..d2ba829 100644
--- a/src/compiler/nir/nir_lower_memory_model.c
+++ b/src/compiler/nir/nir_lower_memory_model.c
@@ -159,6 +159,9 @@
    if (!writes && vis_avail_sem == NIR_MEMORY_MAKE_AVAILABLE)
       return false;
 
+   if (!nir_intrinsic_has_access(intrin))
+      return false;
+
    unsigned access = nir_intrinsic_access(intrin);
 
    if (access & (ACCESS_NON_READABLE | ACCESS_NON_WRITEABLE | ACCESS_CAN_REORDER | ACCESS_COHERENT))