Dave just told me on IRC about the SPIR-V opt discussion:
https://github.com/KhronosGroup/SPIRV-Tools/issues/850
Assuming this actually solves the problem,
Reviewed-by: Jason Ekstrand
I would like to see CTS tests written for this and we had better die
horribly without this patch and pass with
This looks correct but how did you come across it? Are there tests?
On October 1, 2017 3:38:26 PM Bas Nieuwenhuizen
wrote:
Per the SPIR-V spec 2.11 Structured Control Flow:
"The only blocks in a construct that can branch outside the construct are
...
- a break block for the innermost loo
Per the SPIR-V spec 2.11 Structured Control Flow:
"The only blocks in a construct that can branch outside the construct are
...
- a break block for the innermost loop it is inside of.
..."
With
"Break block: A block containing a branch to the Merge Block of a loop header's
merge instruction."
