A constructor like `float2(one, two)` is not a compile-time constant, so
we miss optimization opportunities like folding. Constant variables
inside compound constructors are now replaced when optimization is on,
so this would optimize down to `float2(1.0, 2.0)` and be eligible for
folding.
Change-Id: I80dd421f61d4eed21278805e2dc26d198a678e52
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/404657
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
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