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stage2: implement @setRuntimeSafety

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This commit is contained in:
Jacob G-W
2021-06-23 14:32:21 -04:00
committed by Veikka Tuominen
parent 4adcd560ce
commit 2d2a6ed1a4
2 changed files with 11 additions and 4 deletions
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7
src/Module.zig
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@@ -1151,6 +1151,9 @@ pub const Scope = struct {
is_comptime: bool,
/// when null, it is determined by build mode, changed by @setRuntimeSafety
want_safety: ?bool = null,
/// This `Block` maps a block ZIR instruction to the corresponding
/// AIR instruction for break instruction analysis.
pub const Label = struct {
@@ -1195,12 +1198,12 @@ pub const Scope = struct {
.runtime_cond = parent.runtime_cond,
.runtime_loop = parent.runtime_loop,
.runtime_index = parent.runtime_index,
.want_safety = parent.want_safety,
};
}
pub fn wantSafety(block: *const Block) bool {
// TODO take into account scope's safety overrides
return switch (block.sema.mod.optimizeMode()) {
return block.want_safety orelse switch (block.sema.mod.optimizeMode()) {
.Debug => true,
.ReleaseSafe => true,
.ReleaseFast => false,

8
src/Sema.zig
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@@ -2040,8 +2040,12 @@ fn zirSetFloatMode(sema: *Sema, block: *Scope.Block, inst: Zir.Inst.Index) Inner
fn zirSetRuntimeSafety(sema: *Sema, block: *Scope.Block, inst: Zir.Inst.Index) InnerError!void {
const inst_data = sema.code.instructions.items(.data)[inst].un_node;
const src: LazySrcLoc = inst_data.src();
return sema.mod.fail(&block.base, src, "TODO: implement Sema.zirSetRuntimeSafety", .{});
const operand_src: LazySrcLoc = .{ .node_offset_builtin_call_arg0 = inst_data.src_node };
const op = try sema.resolveInst(inst_data.operand);
const op_coerced = try sema.coerce(block, Type.initTag(.bool), op, operand_src);
const b = (try sema.resolveConstValue(block, operand_src, op_coerced)).toBool();
block.want_safety = b;
}
fn zirBreakpoint(sema: *Sema, block: *Scope.Block, inst: Zir.Inst.Index) InnerError!void {