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This commit is contained in:
Chris Fallin
2021-08-12 14:27:20 -07:00
parent 2f856435f4
commit 7652b4b109
2 changed files with 23 additions and 100 deletions
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13
src/fuzzing/func.rs
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@@ -248,11 +248,10 @@ fn choose_dominating_block(
if (allow_self || block != orig_block) && bool::arbitrary(u)? {
break;
}
if idom[block.index()] == block {
if idom[block.index()].is_invalid() {
break;
}
block = idom[block.index()];
assert!(block.is_valid());
}
let block = if block != orig_block || allow_self {
block
@@ -591,12 +590,10 @@ impl std::fmt::Debug for Func {
pub fn machine_env() -> MachineEnv {
// Reg 31 is the scratch reg.
let regs: Vec<PReg> = (0..31).map(|i| PReg::new(i, RegClass::Int)).collect();
let preferred_regs_by_class: Vec<Vec<PReg>> =
vec![regs.iter().cloned().take(24).collect(), vec![]];
let non_preferred_regs_by_class: Vec<Vec<PReg>> =
vec![regs.iter().cloned().skip(24).collect(), vec![]];
let scratch_by_class: Vec<PReg> =
vec![PReg::new(31, RegClass::Int), PReg::new(0, RegClass::Float)];
let preferred_regs_by_class: [Vec<PReg>; 2] = [regs.iter().cloned().take(24).collect(), vec![]];
let non_preferred_regs_by_class: [Vec<PReg>; 2] =
[regs.iter().cloned().skip(24).collect(), vec![]];
let scratch_by_class: [PReg; 2] = [PReg::new(31, RegClass::Int), PReg::new(0, RegClass::Float)];
MachineEnv {
regs,
preferred_regs_by_class,