bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Don't special case constant operands when lowering intrinsics

Browse source
This commit is contained in:
Tomasz Miąsko 2020-11-16 00:00:00 +00:00
parent 603ab5bd6e
commit 2b7ffecee0
3 changed files with 42 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

12
compiler/rustc_mir/src/transform/lower_intrinsics.rs
View file

@ -11,15 +11,11 @@ pub struct LowerIntrinsics;
impl<'tcx> MirPass<'tcx> for LowerIntrinsics {
fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
for block in body.basic_blocks_mut() {
let (basic_blocks, local_decls) = body.basic_blocks_and_local_decls_mut();
for block in basic_blocks {
let terminator = block.terminator.as_mut().unwrap();
if let TerminatorKind::Call {
func: Operand::Constant(box Constant { literal: ty::Const { ty: func_ty, .. }, .. }),
args,
destination,
..
} = &mut terminator.kind
{
if let TerminatorKind::Call { func, args, destination, .. } = &mut terminator.kind {
let func_ty = func.ty(local_decls, tcx);
let (intrinsic_name, substs) = match resolve_rust_intrinsic(tcx, func_ty) {
None => continue,
Some(it) => it,