bjoernager/rust
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Lower the assume intrinsic to a MIR statement

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This commit is contained in:
Oli Scherer 2022-06-30 08:16:05 +00:00
parent 3c72788461
commit 3f07645120
33 changed files with 212 additions and 30 deletions
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4
compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
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@ -77,10 +77,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let result = PlaceRef::new_sized(llresult, fn_abi.ret.layout);
let llval = match name {
sym::assume => {
bx.assume(args[0].immediate());
return;
}
sym::abort => {
bx.abort();
return;

5
compiler/rustc_codegen_ssa/src/mir/statement.rs
View file

@ -93,6 +93,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
bx.memcpy(dst, align, src, align, bytes, crate::MemFlags::empty());
bx
}
mir::StatementKind::Assume(box ref op) => {
let op_val = self.codegen_operand(&mut bx, op);
bx.assume(op_val.immediate());
bx
}
mir::StatementKind::FakeRead(..)
| mir::StatementKind::Retag { .. }
| mir::StatementKind::AscribeUserType(..)