wasm: Fix storing error. Pass bool.zig behavior tests

This commit is contained in:
Luuk de Gram 2021-12-26 20:52:39 +01:00
parent b100e2ec2a
commit 726ce85c10
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GPG Key ID: A8CFE58E4DC7D664
2 changed files with 21 additions and 3 deletions

View File

@ -1152,6 +1152,7 @@ fn genInst(self: *Self, inst: Air.Inst.Index) !WValue {
.block => self.airBlock(inst),
.breakpoint => self.airBreakpoint(inst),
.br => self.airBr(inst),
.bool_to_int => self.airBoolToInt(inst),
.call => self.airCall(inst),
.cond_br => self.airCondBr(inst),
.constant => unreachable,
@ -1277,6 +1278,7 @@ fn airCall(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const arg_val = self.resolveInst(arg_ref);
const arg_ty = self.air.typeOf(arg_ref);
if (!arg_ty.hasCodeGenBits()) continue;
switch (arg_ty.zigTypeTag()) {
.Struct, .Pointer, .Optional, .ErrorUnion => {
// single pointer can be passed directly
@ -1396,6 +1398,11 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
return try self.store(lhs, tag_local, tag_ty, 0);
},
.local_with_offset => |with_offset| {
// check if we're storing the payload, or the error
if (with_offset.offset == 0) {
try self.store(lhs, .{ .local = with_offset.local }, tag_ty, 0);
return;
}
const tag_local = try self.allocLocal(tag_ty);
try self.addImm32(0);
try self.addLabel(.local_set, tag_local.local);
@ -1449,7 +1456,7 @@ fn store(self: *Self, lhs: WValue, rhs: WValue, ty: Type, offset: u32) InnerErro
// that is portable across the backend, rather than copying logic.
const abi_size = if ((ty.isInt() or ty.isAnyFloat()) and ty.abiSize(self.target) <= 8)
@intCast(u8, ty.abiSize(self.target))
else if (ty.zigTypeTag() == .ErrorSet or ty.zigTypeTag() == .Enum)
else if (ty.zigTypeTag() == .ErrorSet or ty.zigTypeTag() == .Enum or ty.zigTypeTag() == .Bool)
@intCast(u8, ty.abiSize(self.target))
else
@as(u8, 4);
@ -1499,7 +1506,7 @@ fn load(self: *Self, operand: WValue, ty: Type, offset: u32) InnerError!WValue {
// that is portable across the backend, rather than copying logic.
const abi_size = if ((ty.isInt() or ty.isAnyFloat()) and ty.abiSize(self.target) <= 8)
@intCast(u8, ty.abiSize(self.target))
else if (ty.zigTypeTag() == .ErrorSet or ty.zigTypeTag() == .Enum)
else if (ty.zigTypeTag() == .ErrorSet or ty.zigTypeTag() == .Enum or ty.zigTypeTag() == .Bool)
@intCast(u8, ty.abiSize(self.target))
else
@as(u8, 4);
@ -2168,6 +2175,7 @@ fn airIsErr(self: *Self, inst: Air.Inst.Index, opcode: wasm.Opcode) InnerError!W
}
fn airUnwrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
if (self.liveness.isUnused(inst)) return WValue.none;
const ty_op = self.air.instructions.items(.data)[inst].ty_op;
const operand = self.resolveInst(ty_op.operand);
const err_ty = self.air.typeOf(ty_op.operand);
@ -2205,7 +2213,11 @@ fn airWrapErrUnionPayload(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
fn airWrapErrUnionErr(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
if (self.liveness.isUnused(inst)) return WValue.none;
const ty_op = self.air.instructions.items(.data)[inst].ty_op;
return self.resolveInst(ty_op.operand);
const operand = self.resolveInst(ty_op.operand);
return WValue{ .local_with_offset = .{
.local = operand.local,
.offset = 0,
} };
}
fn airIntcast(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
@ -2407,3 +2419,8 @@ fn airTrunc(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
try self.addLabel(.local_set, result.local);
return result;
}
fn airBoolToInt(self: *Self, inst: Air.Inst.Index) InnerError!WValue {
const un_op = self.air.instructions.items(.data)[inst].un_op;
return self.resolveInst(un_op);
}

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@ -4,6 +4,7 @@ test {
// Tests that pass for stage1, stage2, the C -and wasm backend.
_ = @import("behavior/basic.zig");
_ = @import("behavior/bitcast.zig");
_ = @import("behavior/bool.zig");
_ = @import("behavior/bugs/624.zig");
_ = @import("behavior/bugs/655.zig");
_ = @import("behavior/bugs/679.zig");