[Mesa-dev] [PATCH 2/2] nv50/ir: make sure entire graph is reachable

[Ilia Mirkin]

The algorithm expects the entire CFG to be reachable, so make sure that
we hit every node. Otherwise we will end up with uninitialized data,
memory corruption, etc.

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_ssa.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ssa.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ssa.cpp
index 2e43234..9ea1065 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ssa.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ssa.cpp
@@ -87,6 +87,7 @@ DominatorTree::DominatorTree(Graph *cfgraph) : cfg(cfgraph),
       LABEL(i) = i;
       SEMI(i) = ANCESTOR(i) = -1;
    }
+   assert(i == count);
 
    build();
 
-- 
2.4.10