Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

fuzzgen: Add stack map variables #8941

Merged
merged 1 commit into from
Jul 25, 2024
Merged

fuzzgen: Add stack map variables #8941

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions cranelift/fuzzgen/src/function_generator.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1892,6 +1892,14 @@ where
let var = Variable::new(id);
builder.declare_var(var, ty);
builder.def_var(var, value);

// Randomly declare variables as needing a stack map.
// We limit these to only types that have fewer than 16 bytes
// since the stack map mechanism does not support larger types.
if ty.bytes() <= 16 && self.u.arbitrary()? {
builder.declare_var_needs_stack_map(var);
}

self.resources
.vars
.entry(ty)
Expand Down