Record header/merge cross-links, and single_block_loop attribute of BlockInfo.
Also checks that they are sane: only target blocks in the same function.
Bug: tint:3
Change-Id: I715f7ed354a556e92d58a4c9ba6f306c746c3641
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20080
Reviewed-by: dan sinclair <dsinclair@google.com>
Each basic block must have a terminator, and if the terminator branches
to another block, that block must name a label in the same function.
Bug: tint:3
Change-Id: If22bece6a8041fef362c02b05e4dfee999a3e5bf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20046
Reviewed-by: dan sinclair <dsinclair@google.com>
- branch-conditional where both targets are the same
- switch where the default target is the same as a case target
Bug: tint:3
Change-Id: If5a3e1fead43ae3d528341f3e54dcae959d9eb8c
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20061
Reviewed-by: dan sinclair <dsinclair@google.com>
Test non-nested sequences and selections.
Bug: tint:3
Change-Id: Ibbbcd428d701d9e7d4da1682f94c2bdbef00121b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/19920
Reviewed-by: dan sinclair <dsinclair@google.com>
