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Sema: implement pointer to tuple to pointer to array coercion

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This involved an LLVM backend fix for the aggregate_init instruction.
This commit is contained in:
Andrew Kelley
2022-03-09 18:47:42 -07:00
parent 017d3864de
commit f736cde397
8 changed files with 80 additions and 41 deletions
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21
src/codegen/llvm.zig
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@@ -5838,8 +5838,15 @@ pub const FuncGen = struct {
const llvm_i = llvmFieldIndex(result_ty, i, target, &ptr_ty_buf).?;
indices[1] = llvm_u32.constInt(llvm_i, .False);
const field_ptr = self.builder.buildInBoundsGEP(alloca_inst, &indices, indices.len, "");
const store_inst = self.builder.buildStore(llvm_elem, field_ptr);
store_inst.setAlignment(result_ty.structFieldAlign(i, target));
var field_ptr_payload: Type.Payload.Pointer = .{
.data = .{
.pointee_type = self.air.typeOf(elem),
.@"align" = result_ty.structFieldAlign(i, target),
.@"addrspace" = .generic,
},
};
const field_ptr_ty = Type.initPayload(&field_ptr_payload.base);
self.store(field_ptr, field_ptr_ty, llvm_elem, .NotAtomic);
}
return alloca_inst;
@@ -5871,8 +5878,14 @@ pub const FuncGen = struct {
};
const elem_ptr = self.builder.buildInBoundsGEP(alloca_inst, &indices, indices.len, "");
const llvm_elem = try self.resolveInst(elem);
const store_inst = self.builder.buildStore(llvm_elem, elem_ptr);
store_inst.setAlignment(elem_ty.abiAlignment(target));
var elem_ptr_payload: Type.Payload.Pointer = .{
.data = .{
.pointee_type = elem_ty,
.@"addrspace" = .generic,
},
};
const elem_ptr_ty = Type.initPayload(&elem_ptr_payload.base);
self.store(elem_ptr, elem_ptr_ty, llvm_elem, .NotAtomic);
}
return alloca_inst;