| Issue |
138202
|
| Summary |
MLIR pass test fails when using dylib
|
| Labels |
mlir
|
| Assignees |
|
| Reporter |
rnk
|
I've configured LLVM like so:
```
cmake -GNinja -Wno-deprecated \
-DCMAKE_BUILD_TYPE=RelWithDebInfo \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DLLVM_USE_SPLIT_DWARF=ON \
-DLLVM_BUILD_DOCS=ON \
-DLLVM_ENABLE_SPHINX=ON \
-DLLVM_LINK_LLVM_DYLIB=ON \
-DCLANG_LINK_CLANG_DYLIB=ON \
-DCMAKE_CXX_FLAGS="-fno-standalone-debug" \
-DLLVM_ENABLE_PROJECTS="lldb;mlir;clang;lld;llvm;clang-tools-extra" \
-DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind;compiler-rt" \
../llvm
```
In `check-mlir`, this one unit test fails for me, apparently only on Mac:
```
$ ./tools/mlir/unittests/Pass/MLIRPassTests --gtest_filter=PassManagerTest.ExecutionAction
Note: Google Test filter = PassManagerTest.ExecutionAction
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from PassManagerTest
[ RUN ] PassManagerTest.ExecutionAction
/Users/rnk/llvm-project/mlir/unittests/Pass/PassManagerTest.cpp:184: Failure
Value of: func->getDiscardableAttr("didProcess2")
Actual: true
Expected: false
[ FAILED ] PassManagerTest.ExecutionAction (0 ms)
[----------] 1 test from PassManagerTest (0 ms total)
[----------] Global test environment tear-down
[==========] 1 test from 1 test suite ran. (0 ms total)
[ PASSED ] 0 tests.
[ FAILED ] 1 test, listed below:
[ FAILED ] PassManagerTest.ExecutionAction
```
I don't know enough about MLIR to debug why this test is not behaving as expected, so I need help. The test author is @bzcheeseman . Any thoughts on why enabling the LLVM / MLIR dylib build makes this go wrong? You can also reproduce this locally if you have a Mac. It did not fail on Linux premerge testing in my pending PR: https://github.com/llvm/llvm-project/pull/138187
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