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stage2: generate correct constants for zero-sized arrays

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This commit is contained in:
Robin Voetter
2021-10-25 03:41:23 +02:00
parent 7062c8a886
commit 4eb7b28700
3 changed files with 12 additions and 12 deletions
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6
src/codegen/llvm.zig
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@@ -762,7 +762,7 @@ pub const DeclGen = struct {
}
const llvm_addrspace = dg.llvmAddressSpace(t.ptrAddressSpace());
const elem_ty = t.childType();
const llvm_elem_ty = if (elem_ty.hasCodeGenBits())
const llvm_elem_ty = if (elem_ty.hasCodeGenBits() or elem_ty.zigTypeTag() == .Array)
try dg.llvmType(elem_ty)
else
dg.context.intType(8);
@@ -1475,7 +1475,7 @@ pub const DeclGen = struct {
}
const llvm_type = try self.llvmType(tv.ty);
if (!tv.ty.childType().hasCodeGenBits()) {
if (!tv.ty.childType().hasCodeGenBits() or !decl.ty.hasCodeGenBits()) {
return self.lowerPtrToVoid(tv.ty);
}
@@ -1497,7 +1497,7 @@ pub const DeclGen = struct {
// for non-optional pointers. We also need to respect the alignment, even though
// the address will never be dereferenced.
const llvm_usize = try dg.llvmType(Type.usize);
const llvm_ptr_ty = dg.context.intType(8).pointerType(0);
const llvm_ptr_ty = try dg.llvmType(ptr_ty);
if (alignment != 0) {
return llvm_usize.constInt(alignment, .False).constIntToPtr(llvm_ptr_ty);
}