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Clear domtree after cg_clif optimizations

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bjorn3 2021-01-16 13:05:23 +01:00
parent 1952b1ffae
commit cfedad1f75
1 changed files with 3 additions and 0 deletions
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3
src/base.rs
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@ -117,6 +117,9 @@ pub(crate) fn codegen_fn<'tcx>(
context.compute_domtree();
context.eliminate_unreachable_code(cx.module.isa()).unwrap();
context.dce(cx.module.isa()).unwrap();
// Some Cranelift optimizations expect the domtree to not yet be computed and as such don't
// invalidate it when it would change.
context.domtree.clear();
context.want_disasm = crate::pretty_clif::should_write_ir(tcx);