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C pointer comparison and arithmetic

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See #1059
This commit is contained in:
Andrew Kelley
2019-02-11 15:31:09 -05:00
parent d9e01be973
commit 342bca7f46
6 changed files with 78 additions and 20 deletions
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4
src/codegen.cpp
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@@ -2657,7 +2657,7 @@ static LLVMValueRef ir_render_bin_op(CodeGen *g, IrExecutable *executable,
(op1->value.type->id == ZigTypeIdErrorSet && op2->value.type->id == ZigTypeIdErrorSet) ||
(op1->value.type->id == ZigTypeIdPointer &&
(op_id == IrBinOpAdd || op_id == IrBinOpSub) &&
op1->value.type->data.pointer.ptr_len == PtrLenUnknown)
op1->value.type->data.pointer.ptr_len != PtrLenSingle)
);
ZigType *operand_type = op1->value.type;
ZigType *scalar_type = (operand_type->id == ZigTypeIdVector) ? operand_type->data.vector.elem_type : operand_type;
@@ -2716,7 +2716,7 @@ static LLVMValueRef ir_render_bin_op(CodeGen *g, IrExecutable *executable,
AddSubMulMul;
if (scalar_type->id == ZigTypeIdPointer) {
assert(scalar_type->data.pointer.ptr_len == PtrLenUnknown);
assert(scalar_type->data.pointer.ptr_len != PtrLenSingle);
LLVMValueRef subscript_value;
if (operand_type->id == ZigTypeIdVector)
zig_panic("TODO: Implement vector operations on pointers.");