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Move the default block to the front of the underlying jump table storage (#5770)

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The new api on JumpTableData makese it easy to keep the default label first, and that shrinks the diff in #5731 a bit.
This commit is contained in:
Trevor Elliott
2023-02-13 12:50:29 -08:00
committed by GitHub
parent 6cddc923f3
commit 19f337e29b
8 changed files with 26 additions and 28 deletions
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2
cranelift/frontend/src/ssa.rs
View File

@@ -1010,7 +1010,7 @@ mod tests {
ssa.def_var(x_var, x1, block0);
ssa.use_var(&mut func, x_var, I32, block0).0;
let br_table = {
let jump_table = JumpTableData::new(block2, vec![block2, block1]);
let jump_table = JumpTableData::new(block2, &[block2, block1]);
let jt = func.create_jump_table(jump_table);
let mut cur = FuncCursor::new(&mut func).at_bottom(block0);
cur.ins().br_table(x1, jt)

2
cranelift/frontend/src/switch.rs
View File

@@ -220,7 +220,7 @@ impl Switch {
"Jump tables bigger than 2^32-1 are not yet supported"
);
let jt_data = JumpTableData::new(otherwise, Vec::from(blocks));
let jt_data = JumpTableData::new(otherwise, blocks);
let jump_table = bx.create_jump_table(jt_data);
let discr = if first_index == 0 {