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Inline jump tables in parsed br_table instructions (#5755)

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As jump tables are used by at most one br_table instruction, inline their definition in those instructions instead of requiring them to be declared as function-level metadata.
This commit is contained in:
Trevor Elliott
2023-02-09 14:24:04 -08:00
committed by GitHub
parent 202d3af16a
commit 15fe9c7c93
23 changed files with 54 additions and 200 deletions
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6
cranelift/codegen/src/ir/jumptable.rs
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@@ -81,7 +81,7 @@ impl JumpTableData {
impl Display for JumpTableData {
fn fmt(&self, fmt: &mut Formatter) -> fmt::Result {
write!(fmt, "jump_table [")?;
write!(fmt, "[")?;
match self.table.first() {
None => (),
Some(first) => write!(fmt, "{}", first)?,
@@ -107,7 +107,7 @@ mod tests {
assert_eq!(jt.as_slice().get(0), None);
assert_eq!(jt.as_slice().get(10), None);
assert_eq!(jt.to_string(), "jump_table []");
assert_eq!(jt.to_string(), "[]");
let v = jt.as_slice();
assert_eq!(v, []);
@@ -124,7 +124,7 @@ mod tests {
jt.push_entry(e2);
jt.push_entry(e1);
assert_eq!(jt.to_string(), "jump_table [block1, block2, block1]");
assert_eq!(jt.to_string(), "[block1, block2, block1]");
let v = jt.as_slice();
assert_eq!(v, [e1, e2, e1]);