mirror/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2026-02-13 12:59:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

llvm: fix incorrect slice lowering

Browse Source
This commit is contained in:
Jacob Young 2023-05-21 19:22:54 -04:00 committed by Andrew Kelley
parent a7c3ca3531
commit 484c3e8cbc
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/codegen/llvm.zig
View File

@ -3359,7 +3359,11 @@ pub const DeclGen = struct {
else => switch (mod.intern_pool.indexToKey(tv.val.ip_index)) {
.int => |int| return dg.lowerIntAsPtr(int),
.ptr => |ptr| {
const ptr_val = switch (ptr.addr) {
const ptr_tv: TypedValue = switch (ptr.len) {
.none => tv,
else => .{ .ty = tv.ty.slicePtrFieldType(mod), .val = tv.val.slicePtr(mod) },
};
const llvm_ptr_val = switch (ptr.addr) {
.@"var" => |@"var"| ptr: {
const decl = dg.module.declPtr(@"var".owner_decl);
dg.module.markDeclAlive(decl);
@ -3374,21 +3378,21 @@ pub const DeclGen = struct {
val;
break :ptr addrspace_casted_ptr;
},
.decl => |decl| try dg.lowerDeclRefValue(tv, decl),
.mut_decl => |mut_decl| try dg.lowerDeclRefValue(tv, mut_decl.decl),
.decl => |decl| try dg.lowerDeclRefValue(ptr_tv, decl),
.mut_decl => |mut_decl| try dg.lowerDeclRefValue(ptr_tv, mut_decl.decl),
.int => |int| dg.lowerIntAsPtr(mod.intern_pool.indexToKey(int).int),
.eu_payload,
.opt_payload,
.elem,
.field,
=> try dg.lowerParentPtr(tv.val, tv.ty.ptrInfo(mod).bit_offset % 8 == 0),
=> try dg.lowerParentPtr(ptr_tv.val, ptr_tv.ty.ptrInfo(mod).bit_offset % 8 == 0),
.comptime_field => unreachable,
};
switch (ptr.len) {
.none => return ptr_val,
.none => return llvm_ptr_val,
else => {
const fields: [2]*llvm.Value = .{
ptr_val,
llvm_ptr_val,
try dg.lowerValue(.{ .ty = Type.usize, .val = ptr.len.toValue() }),
};
return dg.context.constStruct(&fields, fields.len, .False);