David Neto 9b9a0b07da [spirv-reader] Support OpPhi
For each OpPhi, make a variable to carry values from predecessor blocks
to the OpPhi.  Declare the variable at the smallest scope enclosing all
the predecessor blocks (where we write to it), and the OpPhi (where we
read from it).

Bug: tint:3
Change-Id: I7898b4b903d9ee1a25a7466e3c5aaf6840550e2d
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/24181
Reviewed-by: dan sinclair <dsinclair@google.com>
2020-07-06 16:08:17 +00:00
..
2020-07-06 16:08:17 +00:00
2020-07-02 20:53:45 +00:00
2020-03-27 00:47:16 +00:00
2020-03-31 21:15:40 +00:00
2020-03-02 15:47:43 -05:00