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-rw-r--r--llvm/lib/Target/WebAssembly/README.txt9
-rw-r--r--llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt2
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/README.txt b/llvm/lib/Target/WebAssembly/README.txt
index bfb124d504e..78b3123cde8 100644
--- a/llvm/lib/Target/WebAssembly/README.txt
+++ b/llvm/lib/Target/WebAssembly/README.txt
@@ -12,6 +12,15 @@ binary encoding of WebAssembly itself:
* https://github.com/WebAssembly/design/blob/master/AstSemantics.md
* https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md
+The backend is built, tested and archived on the following waterfall:
+ https://build.chromium.org/p/client.wasm.llvm/console
+
+The backend's bringup is done using the GCC torture test suite first since it
+doesn't require C library support. Current known failures are in
+known_gcc_test_failures.txt, all other tests should pass. The waterfall will
+turn red if not. Once most of these pass, further testing will use LLVM's own
+test suite.
+
Interesting work that remains to be done:
* Write a pass to restructurize irreducible control flow. This needs to be done
before register allocation to be efficient, because it may duplicate basic
diff --git a/llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt b/llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt
new file mode 100644
index 00000000000..6038b198abe
--- /dev/null
+++ b/llvm/lib/Target/WebAssembly/known_gcc_test_failures.txt
@@ -0,0 +1,2 @@
+# Tests which are known to fail from the GCC torture test suite.
+# FIXME: placeholder. The script which runs the tests needs a file here!
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