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Add test cases to show the unsealed block in switch generation

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This commit is contained in:
Will Robson
2021-04-02 15:34:49 +01:00
parent 90aa5cf49f
commit f5f3c2fb25
1 changed files with 38 additions and 29 deletions
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13
cranelift/frontend/src/switch.rs
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@@ -542,8 +542,16 @@ block4:
#[test]
fn switch_seal_generated_blocks() {
let keys = [0, 1, 2, 10, 11, 12, 20, 30, 40, 50];
let cases = &[vec![0, 1, 2], vec![0, 1, 2, 10, 11, 12, 20, 30, 40, 50]];
for case in cases {
for typ in &[types::I8, types::I16, types::I32, types::I64, types::I128] {
eprintln!("Testing {:?} with keys: {:?}", typ, case);
do_case(case, *typ);
}
}
fn do_case(keys: &[u128], typ: Type) {
let mut func = Function::new();
let mut builder_ctx = FunctionBuilderContext::new();
let mut builder = FunctionBuilder::new(&mut func, &mut builder_ctx);
@@ -564,7 +572,7 @@ block4:
builder.seal_block(root_block);
builder.switch_to_block(root_block);
let val = builder.ins().iconst(types::I32, 1);
let val = builder.ins().iconst(typ, 1);
switch.emit(&mut builder, val, default_block);
for &block in case_blocks.iter().chain(std::iter::once(&default_block)) {
@@ -575,6 +583,7 @@ block4:
builder.finalize(); // Will panic if some blocks are not sealed
}
}
#[test]
fn switch_64bit() {