T0b1/regalloc2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rework the API for outgoing blockparams

Browse Source
This commit is contained in:
Amanieu d'Antras
2021-11-30 02:22:15 +00:00
parent fdd9913a7a
commit 0cb3a8019f
5 changed files with 65 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/ion/liveranges.rs
View File

@@ -431,15 +431,16 @@ impl<'a, F: Function> Env<'a, F> {
// If the last instruction is a branch (rather than
// return), create blockparam_out entries.
if self.func.is_branch(insns.last()) {
let operands = self.func.inst_operands(insns.last());
let mut i = self.func.branch_blockparam_arg_offset(block, insns.last());
for &succ in self.func.block_succs(block) {
for &blockparam in self.func.block_params(succ) {
let from_vreg = VRegIndex::new(operands[i].vreg().vreg());
let blockparam_vreg = VRegIndex::new(blockparam.vreg());
for (i, &succ) in self.func.block_succs(block).iter().enumerate() {
let blockparams_in = self.func.block_params(succ);
let blockparams_out = self.func.branch_blockparams(block, insns.last(), i);
for (&blockparam_in, &blockparam_out) in
blockparams_in.iter().zip(blockparams_out)
{
let blockparam_out = VRegIndex::new(blockparam_out.vreg());
let blockparam_in = VRegIndex::new(blockparam_in.vreg());
self.blockparam_outs
.push((from_vreg, block, succ, blockparam_vreg));
i += 1;
.push((blockparam_out, block, succ, blockparam_in));
}
}
}