This CL adds implementations and tests for these validation rules:
v-0011: Global variable names must be unique
v-0013: Variables declared in a function must be unique between that function and any global variables.
v-0014: Variables declared in a function must have unique names
Bug: tint 6
Change-Id: I793485c981f67abc6a3dc81d35be743ccc18db5b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/26480
Reviewed-by: dan sinclair <dsinclair@chromium.org>
This Cl extracts the variable stack from the SPIR-V builder and makes it
available as a general class.
Change-Id: I3505d7cc4ec34f78bbc3360b064fa99479fd97d6
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/18701
Reviewed-by: David Neto <dneto@google.com>
Sarah Mashayekhi
dan sinclair