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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /compiler/rustc_codegen_ssa/src/mir/rvalue.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/mir/rvalue.rs')
-rw-r--r--compiler/rustc_codegen_ssa/src/mir/rvalue.rs18
1 files changed, 17 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
index 26b9fbf44..56852b0fc 100644
--- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs
@@ -4,6 +4,7 @@ use super::{FunctionCx, LocalRef};
use crate::base;
use crate::common::{self, IntPredicate};
+use crate::meth::get_vtable;
use crate::traits::*;
use crate::MemFlags;
@@ -87,7 +88,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
let size = bx.const_usize(dest.layout.size.bytes());
// Use llvm.memset.p0i8.* to initialize all zero arrays
- if bx.cx().const_to_opt_uint(v) == Some(0) {
+ if bx.cx().const_to_opt_u128(v, false) == Some(0) {
let fill = bx.cx().const_u8(0);
bx.memset(start, fill, size, dest.align, MemFlags::empty());
return bx;
@@ -271,6 +272,21 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
bug!("unexpected non-pair operand");
}
}
+ mir::CastKind::DynStar => {
+ let data = match operand.val {
+ OperandValue::Ref(_, _, _) => todo!(),
+ OperandValue::Immediate(v) => v,
+ OperandValue::Pair(_, _) => todo!(),
+ };
+ let trait_ref =
+ if let ty::Dynamic(data, _, ty::DynStar) = cast.ty.kind() {
+ data.principal()
+ } else {
+ bug!("Only valid to do a DynStar cast into a DynStar type")
+ };
+ let vtable = get_vtable(bx.cx(), source.ty(self.mir, bx.tcx()), trait_ref);
+ OperandValue::Pair(data, vtable)
+ }
mir::CastKind::Pointer(
PointerCast::MutToConstPointer | PointerCast::ArrayToPointer,
)