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cbe: fix optional access

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This commit is contained in:
Jacob Young 2022-11-01 03:31:20 -04:00
parent 8e52be1602
commit 071404ff65
3 changed files with 3 additions and 5 deletions
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6
src/codegen/c.zig
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@ -3193,7 +3193,7 @@ fn airEquality(
try writer.writeAll(" = ");
if (operand_ty.tag() == .optional) {
if (operand_ty.zigTypeTag() == .Optional and !operand_ty.isPtrLikeOptional()) {
// (A && B) || (C && (A == B))
// A = lhs.is_null ; B = rhs.is_null ; C = rhs.payload == lhs.payload
@ -3984,9 +3984,9 @@ fn airIsNull(
const rhs = if (!payload_ty.hasRuntimeBitsIgnoreComptime())
TypedValue{ .ty = Type.bool, .val = Value.@"true" }
else if (operand_ty.isPtrLikeOptional())
else if (optional_ty.isPtrLikeOptional())
// operand is a regular pointer, test `operand !=/== NULL`
TypedValue{ .ty = operand_ty, .val = Value.@"null" }
TypedValue{ .ty = optional_ty, .val = Value.@"null" }
else if (payload_ty.zigTypeTag() == .ErrorSet)
TypedValue{ .ty = payload_ty, .val = Value.zero }
else if (payload_ty.isSlice() and optional_ty.optionalReprIsPayload()) rhs: {

1
test/behavior/bugs/1851.zig
View file

@ -5,7 +5,6 @@ const expect = std.testing.expect;
test "allocation and looping over 3-byte integer" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO

1
test/behavior/cast.zig
View file

@ -1178,7 +1178,6 @@ fn cast128Float(x: u128) f128 {
test "implicit cast from *[N]T to ?[*]T" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO