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-rw-r--r--src/compiler/spirv/vtn_cfg.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/compiler/spirv/vtn_cfg.c b/src/compiler/spirv/vtn_cfg.c
index e7d2f9ea614..ad4374112e1 100644
--- a/src/compiler/spirv/vtn_cfg.c
+++ b/src/compiler/spirv/vtn_cfg.c
@@ -374,6 +374,19 @@ vtn_cfg_walk_blocks(struct vtn_builder *b, struct list_head *cf_list,
vtn_cfg_walk_blocks(b, &loop->cont_body, new_loop_cont, NULL, NULL,
new_loop_break, NULL, block);
+ enum vtn_branch_type branch_type =
+ vtn_get_branch_type(b, new_loop_break, switch_case, switch_break,
+ loop_break, loop_cont);
+
+ if (branch_type != vtn_branch_type_none) {
+ /* Stop walking through the CFG when this inner loop's break block
+ * ends up as the same block as the outer loop's continue block
+ * because we are already going to visit it.
+ */
+ vtn_assert(branch_type == vtn_branch_type_loop_continue);
+ return;
+ }
+
block = new_loop_break;
continue;
}