diff options
Diffstat (limited to 'js/src/jit-test/tests/wasm/control-flow-phi-inputs.js')
-rw-r--r-- | js/src/jit-test/tests/wasm/control-flow-phi-inputs.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/control-flow-phi-inputs.js b/js/src/jit-test/tests/wasm/control-flow-phi-inputs.js new file mode 100644 index 0000000000..4e3fb23286 --- /dev/null +++ b/js/src/jit-test/tests/wasm/control-flow-phi-inputs.js @@ -0,0 +1,80 @@ +// Test the triangle pattern where the phi-input doesn't match the initial input. +// +// initialBlock +// / \ +// trueBranch | +// \ / +// phiBlock+falseBranch +// | +// testBlock +// +// Also see bug 1768346. + +var f = wasmEvalText(`(module + (func (result i32) + block (result i32) + i32.const 0 ;; This must flow into the if below. + i32.const 1 + br_if 0 + drop + i32.const 1 + end + if + i32.const 100 + return + end + i32.const 200 + ) + (export "" (func 0)) +)`).exports[""]; + +assertEq(f(), 200); + +var g = wasmEvalText(`(module + (func (result i32) + block (result i32) + i32.const 0 ;; This must flow into the if below. + i32.const 1 + br_if 0 + drop + i32.const 1 ;; This must flow into the if below + i32.const 1 + br_if 0 + drop + i32.const 1 + end + if + i32.const 100 + return + end + i32.const 200 + ) + (export "" (func 0)) +)`).exports[""]; + +assertEq(g(), 200); + +var h = wasmEvalText(`(module + (func (param i32) (result i32) + block (result i32) + local.get 0 ;; This must flow into the if below. + local.get 0 + br_if 0 + drop + i32.const 0 ;; This must flow into the if below + i32.const 1 + br_if 0 + drop + i32.const 1 + end + if + i32.const 100 + return + end + i32.const 200 + ) + (export "" (func 0)) +)`).exports[""]; + +assertEq(h(0), 200); +assertEq(h(1), 100); |