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Move jump tables to the DataFlowGraph (#5745)

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Move the storage for jump tables off of FunctionStencil and onto DataFlowGraph. This change is in service of #5731, making it easier to access the jump table data in the context of helpers like inst_values.
This commit is contained in:
Trevor Elliott
2023-02-07 21:21:35 -08:00
committed by GitHub
parent 7bf89683e9
commit b0b3f67cb0
12 changed files with 25 additions and 24 deletions
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4
cranelift/codegen/src/unreachable_code.rs
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@@ -21,7 +21,7 @@ pub fn eliminate_unreachable_code(
) {
let _tt = timing::unreachable_code();
let mut pos = FuncCursor::new(func);
let mut used_tables = EntitySet::with_capacity(pos.func.jump_tables.len());
let mut used_tables = EntitySet::with_capacity(pos.func.stencil.dfg.jump_tables.len());
while let Some(block) = pos.next_block() {
if domtree.is_reachable(block) {
let inst = pos.func.layout.last_inst(block).unwrap();
@@ -50,7 +50,7 @@ pub fn eliminate_unreachable_code(
pos.func.layout.remove_block(block);
}
for (table, jt_data) in func.jump_tables.iter_mut() {
for (table, jt_data) in func.stencil.dfg.jump_tables.iter_mut() {
if !used_tables.contains(table) {
jt_data.clear();
}