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Add initial AST and MIR support for unwinding from inline assembly

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This commit is contained in:
Amanieu d'Antras 2021-08-30 01:23:33 +01:00 • committed by cynecx
parent 532d2b14c0
commit 940b2eabad
39 changed files with 355 additions and 212 deletions
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3
compiler/rustc_mir_transform/src/const_prop.rs
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@ -1022,6 +1022,7 @@ impl<'tcx> Visitor<'tcx> for CanConstProp {
// These are just stores, where the storing is not propagatable, but there may be later
// mutations of the same local via `Store`
| MutatingUse(MutatingUseContext::Call)
| MutatingUse(MutatingUseContext::AsmOutput)
// Actual store that can possibly even propagate a value
| MutatingUse(MutatingUseContext::Store) => {
if !self.found_assignment.insert(local) {
@ -1052,7 +1053,7 @@ impl<'tcx> Visitor<'tcx> for CanConstProp {
// These could be propagated with a smarter analysis or just some careful thinking about
// whether they'd be fine right now.
MutatingUse(MutatingUseContext::AsmOutput)
MutatingUse(MutatingUseContext::LlvmAsmOutput)
| MutatingUse(MutatingUseContext::Yield)
| MutatingUse(MutatingUseContext::Drop)
| MutatingUse(MutatingUseContext::Retag)