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This patch moves Checker-based tests of the optimizing compiler into
the art/test directory and modifies the run-test scripts to dump
the CFG during compilation and to verify the graph using Checker as
part of the "running" stage. Outputs generated by running the test
and running Checker are concatenated and compared with expected.txt.
Checker is invoked only if the test's name name matches the format
"<number>-checker-*" and it's currently enabled only for optimizing +
host configs. The tests are still invoked on other configs but
without Checker.
Change-Id: Ib24da808cd4bca66f07e0dbeb913a418065f2859
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This patch refactors how Checker constructs regular expressions which
it uses to parse tests and verify compiler output. It also replaces
all occurrences of the '[0-9]+' ID-matching expression with the '\d+'
shorthand.
Change-Id: I5f854a25707e44ed2fa1673ff084990e8f43e4a2
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Checker now supports positive out-of-order assertions (CHECK-DAG),
which are useful for matching dependency graphs, and negative
assertions (CHECK-NOT) to test element removal.
ConstantFolding tests are rewritten using -DAG checks and Inliner
tests are added.
Change-Id: I5afb665f532b24683624b6d21ef4377cb441d731
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This patch adds a Python script which implements a domain-specific
mini-language similar to that of LLVM's FileCheck. It is primarily
intended for writing tests for the optimizing compiler but could be
configured for other use cases too. It is implemented from scratch in
order to avoid dependency on LLVM.
Checker tests are written in Java and dex2oat is invoked with a flag
which dumps the CFG before and after each pass of the optimizing
compiler. The output is then compared against assertions in the
test's comments parsed by Checker. See comments in tools/checker.py
for more details about the currently supported language features.
This initial CL implements only one type of assertion - whether the
output contains lines matching a desired pattern in the given order -
but supports both plain text and regex matching and allows for
equivalency testing by matching for the outcome of a previous match.
See the tests in compiler/optimizing/test/ConstantFolding.java for
examples.
Change-Id: I1ad7431b399c38dc0391ccee74d2c643ba0b0675
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