When seeing opaque types within structs in function parameter,
function return, and variable definition, invoke SPIRV-Tools
legalization passes.
Also refreshed external projects
With this change, targets in the subdirectory will not be included
in the ALL target of the parent directory by default, and will be
excluded from IDE project files.
* Added effcee and its dependencies (re2) to the project.
* Introduced FileTest that uses effcee to perform checks.
* Added a sample test (check-entrypoint.hlsl)
* Refactored code so WholeFileTest and FileTest can reuse code.
This change enables CodeGenSPIRV test flow.
New tests can be added by simply adding the test file to
`tools/clang/test/CodeGenSPIRV/` directory and running:
```cpp
TEST_F(WholeFileTest, NewTest) {
EXPECT_TRUE(runWholeFileTest("new-test-name"));
}
```
The input file with the format described in `WholeFileCheck.h` is read in;
the HLSL portion is passed to the compiler with SPIR-V codegen enabled.
The resulting SPIR-V binary is disassembled and compared to the expected
result in the input file.
GoogleTest will be used for unit testing and codegen testing for
SPIR-V.
* Added SPIRV_BUILD_TESTS option in CMake to control building
of SPIR-V tests.
* Added "-spirvtest" into hctbuild to enable it.
* Added "spirv" and "spirv_only" targets for hcttest.
Running `hcttest spirv` will run ALL tests including SPIRV tests.
Running `hcttest spirv_only` will ONLY run SPIRV tests.
The default behavior of hctbuild and hcttest is not changed.
Lei Zhang
Ehsan