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-rw-r--r--src/compiler/spirv/vtn_cfg.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/compiler/spirv/vtn_cfg.c b/src/compiler/spirv/vtn_cfg.c
index 03c452cb31a..3ad20b9ad83 100644
--- a/src/compiler/spirv/vtn_cfg.c
+++ b/src/compiler/spirv/vtn_cfg.c
@@ -356,8 +356,16 @@ vtn_cfg_walk_blocks(struct vtn_builder *b, struct list_head *cf_list,
switch_case, switch_break,
loop_break, loop_cont);
- if (if_stmt->then_type == vtn_branch_type_none &&
- if_stmt->else_type == vtn_branch_type_none) {
+ if (then_block == else_block) {
+ block->branch_type = if_stmt->then_type;
+ if (block->branch_type == vtn_branch_type_none) {
+ block = then_block;
+ continue;
+ } else {
+ return;
+ }
+ } else if (if_stmt->then_type == vtn_branch_type_none &&
+ if_stmt->else_type == vtn_branch_type_none) {
/* Neither side of the if is something we can short-circuit. */
assert((*block->merge & SpvOpCodeMask) == SpvOpSelectionMerge);
struct vtn_block *merge_block =