match split[1] {
"cxchg" | "cxchgweak" => {
- let cmp = from_immediate(bcx, llargs[1]);
- let src = from_immediate(bcx, llargs[2]);
- let ptr = PointerCast(bcx, llargs[0], val_ty(src).ptr_to());
- let weak = if split[1] == "cxchgweak" { llvm::True } else { llvm::False };
- let val = AtomicCmpXchg(bcx, ptr, cmp, src, order, failorder, weak);
- let result = ExtractValue(bcx, val, 0);
- let success = ZExt(bcx, ExtractValue(bcx, val, 1), Type::bool(bcx.ccx()));
- Store(bcx,
- result,
- PointerCast(bcx, StructGEP(bcx, llresult, 0), val_ty(src).ptr_to()));
- Store(bcx, success, StructGEP(bcx, llresult, 1));
+ let sty = &substs.types.get(FnSpace, 0).sty;
+ if int_type_width_signed(sty, ccx).is_some() {
+ let weak = if split[1] == "cxchgweak" { llvm::True } else { llvm::False };
+ let val = AtomicCmpXchg(bcx, llargs[0], llargs[1], llargs[2],
+ order, failorder, weak);
+ let result = ExtractValue(bcx, val, 0);
+ let success = ZExt(bcx, ExtractValue(bcx, val, 1), Type::bool(bcx.ccx()));
+ Store(bcx, result, StructGEP(bcx, llresult, 0));
+ Store(bcx, success, StructGEP(bcx, llresult, 1));
+ } else {
+ span_invalid_monomorphization_error(
+ tcx.sess, span,
+ &format!("invalid monomorphization of `{}` intrinsic: \
+ expected basic integer type, found `{}`", name, sty));
+ }
C_nil(ccx)
}
"load" => {
- let tp_ty = *substs.types.get(FnSpace, 0);
- let mut ptr = llargs[0];
- if let Some(ty) = fn_ty.ret.cast {
- ptr = PointerCast(bcx, ptr, ty.ptr_to());
+ let sty = &substs.types.get(FnSpace, 0).sty;
+ if int_type_width_signed(sty, ccx).is_some() {
+ AtomicLoad(bcx, llargs[0], order)
+ } else {
+ span_invalid_monomorphization_error(
+ tcx.sess, span,
+ &format!("invalid monomorphization of `{}` intrinsic: \
+ expected basic integer type, found `{}`", name, sty));
+ C_nil(ccx)
}
- to_immediate(bcx, AtomicLoad(bcx, ptr, order), tp_ty)
}
"store" => {
- let val = from_immediate(bcx, llargs[1]);
- let ptr = PointerCast(bcx, llargs[0], val_ty(val).ptr_to());
- AtomicStore(bcx, val, ptr, order);
+ let sty = &substs.types.get(FnSpace, 0).sty;
+ if int_type_width_signed(sty, ccx).is_some() {
+ AtomicStore(bcx, llargs[1], llargs[0], order);
+ } else {
+ span_invalid_monomorphization_error(
+ tcx.sess, span,
+ &format!("invalid monomorphization of `{}` intrinsic: \
+ expected basic integer type, found `{}`", name, sty));
+ }
C_nil(ccx)
}
_ => ccx.sess().fatal("unknown atomic operation")
};
- let val = from_immediate(bcx, llargs[1]);
- let ptr = PointerCast(bcx, llargs[0], val_ty(val).ptr_to());
- AtomicRMW(bcx, atom_op, ptr, val, order)
+ let sty = &substs.types.get(FnSpace, 0).sty;
+ if int_type_width_signed(sty, ccx).is_some() {
+ AtomicRMW(bcx, atom_op, llargs[0], llargs[1], order)
+ } else {
+ span_invalid_monomorphization_error(
+ tcx.sess, span,
+ &format!("invalid monomorphization of `{}` intrinsic: \
+ expected basic integer type, found `{}`", name, sty));
+ C_nil(ccx)
+ }
}
}
#[derive(Copy, Clone)]
struct Wrap(i64);
-// These volatile and atomic intrinsics used to cause an ICE
+// These volatile intrinsics used to cause an ICE
unsafe fn test_bool(p: &mut bool, v: bool) {
intrinsics::volatile_load(p);
intrinsics::volatile_store(p, v);
- intrinsics::atomic_load(p);
- intrinsics::atomic_cxchg(p, v, v);
- intrinsics::atomic_store(p, v);
- intrinsics::atomic_xchg(p, v);
}
unsafe fn test_immediate_fca(p: &mut Wrap, v: Wrap) {
intrinsics::volatile_load(p);
intrinsics::volatile_store(p, v);
- intrinsics::atomic_load(p);
- intrinsics::atomic_cxchg(p, v, v);
- intrinsics::atomic_store(p, v);
- intrinsics::atomic_xchg(p, v);
}
fn main() {}