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Add new intrinsics: debug_trap, trap, read_cycle_counter, expect

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gingerBill
2021-04-22 10:35:17 +01:00
parent 65551ba8fb
commit 47c7dc6a9b
9 changed files with 179 additions and 10 deletions
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67
src/check_expr.cpp
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@@ -5757,8 +5757,21 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
operand->mode = Addressing_NoValue;
break;
case BuiltinProc_trap:
case BuiltinProc_debug_trap:
if (!build_context.use_llvm_api) {
error(ce->args[0], "%.*s is not supported on this backend", LIT(builtin_procs[id].name));
}
operand->mode = Addressing_NoValue;
break;
case BuiltinProc_read_cycle_counter:
if (!build_context.use_llvm_api) {
error(ce->args[0], "%.*s is not supported on this backend", LIT(builtin_procs[id].name));
}
operand->mode = Addressing_Value;
operand->type = t_i64;
break;
case BuiltinProc_atomic_fence:
case BuiltinProc_atomic_fence_acq:
@@ -5963,6 +5976,58 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32
break;
case BuiltinProc_expect:
if (!build_context.use_llvm_api) {
error(ce->args[0], "%.*s is not supported on this backend", LIT(builtin_procs[id].name));
return false;
} else {
Operand x = {};
Operand y = {};
check_expr(c, &x, ce->args[0]);
check_expr(c, &y, ce->args[1]);
if (x.mode == Addressing_Invalid) {
return false;
}
if (y.mode == Addressing_Invalid) {
return false;
}
convert_to_typed(c, &y, x.type);
convert_to_typed(c, &x, y.type);
if (!are_types_identical(x.type, y.type)) {
gbString xts = type_to_string(x.type);
gbString yts = type_to_string(y.type);
error(x.expr, "Mismatched types for %.*s, %s vs %s", LIT(builtin_procs[id].name), xts, yts);
gb_string_free(yts);
gb_string_free(xts);
*operand = x; // minimize error propagation
return true;
}
if (!is_type_integer_like(x.type)) {
gbString xts = type_to_string(x.type);
error(x.expr, "Values passed to %.*s must be an integer-like type (integer, boolean, enum, bit_set), got %s", LIT(builtin_procs[id].name), xts);
gb_string_free(xts);
*operand = x;
return true;
}
if (y.mode != Addressing_Constant) {
error(y.expr, "Second argument to %.*s must be constant as it is the expected value", LIT(builtin_procs[id].name));
}
if (x.mode == Addressing_Constant) {
// NOTE(bill): just completely ignore this intrinsic entirely
*operand = x;
return true;
}
operand->mode = Addressing_Value;
operand->type = x.type;
}
break;
case BuiltinProc_type_base_type:
if (operand->mode != Addressing_Type) {