shishantbiswas/c3c
1
1
Fork 0
mirror of https://github.com/c3lang/c3c.git synced 2026-02-27 12:01:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Indexing an Optional slice would crash in codegen #1636.

Browse Source
This commit is contained in:
Christoffer Lerno
2024-11-21 11:30:53 +01:00
parent c9793457f3
commit 347a1a48d4
15 changed files with 47 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/compiler/llvm_codegen_expr.c
View File

@@ -5399,18 +5399,19 @@ void llvm_emit_slice_len(GenContext *c, BEValue *slice, BEValue *len)
llvm_value_set_address(len, len_addr, type_usz, alignment);
}
void llvm_emit_slice_pointer(GenContext *context, BEValue *slice, BEValue *pointer)
void llvm_emit_slice_pointer(GenContext *c, BEValue *slice, BEValue *pointer)
{
ASSERT0(slice->type->type_kind == TYPE_SLICE);
Type *ptr_type = type_get_ptr(slice->type->array.base);
llvm_value_fold_optional(c, slice);
if (slice->kind == BE_ADDRESS)
{
AlignSize alignment;
LLVMValueRef ptr = llvm_emit_struct_gep_raw(context, slice->value, llvm_get_type(context, slice->type), 0, slice->alignment, &alignment);
LLVMValueRef ptr = llvm_emit_struct_gep_raw(c, slice->value, llvm_get_type(c, slice->type), 0, slice->alignment, &alignment);
llvm_value_set_address(pointer, ptr, ptr_type, alignment);
return;
}
LLVMValueRef ptr = llvm_emit_extract_value(context, slice->value, 0);
LLVMValueRef ptr = llvm_emit_extract_value(c, slice->value, 0);
llvm_value_set(pointer, ptr, ptr_type);
}