From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../jit-test/tests/wasm/exceptions/ion-loop-phi.js | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 js/src/jit-test/tests/wasm/exceptions/ion-loop-phi.js (limited to 'js/src/jit-test/tests/wasm/exceptions/ion-loop-phi.js') diff --git a/js/src/jit-test/tests/wasm/exceptions/ion-loop-phi.js b/js/src/jit-test/tests/wasm/exceptions/ion-loop-phi.js new file mode 100644 index 0000000000..bdf49ca97b --- /dev/null +++ b/js/src/jit-test/tests/wasm/exceptions/ion-loop-phi.js @@ -0,0 +1,59 @@ +// Finishing a loop will try to minimize phi nodes. We must properly replace +// phi nodes that escape a loop via catch block control flow patches. +wasmEvalText(`(module + (func) + (func (local i32) + try + loop + call 0 + i32.const 0 + br_if 0 + end + catch_all + end + ) +)`); + +// Same as above, but ensure that we check every enclosing try block for +// control flow patches, as delegate can tunnel outwards. +wasmEvalText(`(module + (func) + (func (local i32) + try + try + loop + call 0 + i32.const 0 + br_if 0 + end + delegate 0 + catch_all + end + ) +)`); + +// Ensure that we check the body block as delegate can target that. +wasmEvalText(`(module + (func) + (func (local i32) + loop + try + (; catch patch to try block is added ;) + call 0 + (; br_if ensures we will need a backedge ;) + i32.const 0 + br_if 1 + (; catch patches are relocated to body ;) + delegate 1 + (; finishing loop backedge must fixup patches stored in body ;) + end + + (; add another catch patch to body so that the landing pad will be a + join point between two edges, forcing a use of the dangling phi, + hitting the debug assertion + ;) + try + call 0 + delegate 0 + ) +)`); -- cgit v1.2.3