bjoernager/rust
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Remove dead broken code from const zst handling in backends

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This commit is contained in:
Oli Scherer 2022-09-06 14:09:49 +00:00
parent a594044533
commit 9c4fb018ca
4 changed files with 1 additions and 17 deletions
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9
compiler/rustc_codegen_ssa/src/mir/operand.rs
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@ -72,10 +72,6 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
) -> Self {
let layout = bx.layout_of(ty);
if layout.is_zst() {
return OperandRef::new_zst(bx, layout);
}
let val = match val {
ConstValue::Scalar(x) => {
let Abi::Scalar(scalar) = layout.abi else {
@ -84,10 +80,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> {
let llval = bx.scalar_to_backend(x, scalar, bx.immediate_backend_type(layout));
OperandValue::Immediate(llval)
}
ConstValue::ZeroSized => {
let llval = bx.zst_to_backend(bx.immediate_backend_type(layout));
OperandValue::Immediate(llval)
}
ConstValue::ZeroSized => return OperandRef::new_zst(bx, layout),
ConstValue::Slice { data, start, end } => {
let Abi::ScalarPair(a_scalar, _) = layout.abi else {
bug!("from_const: invalid ScalarPair layout: {:#?}", layout);