[PATCH] D122248: [clang][CodeGen]Fix clang crash and add bitfield support in __builtin_dump_struct
Wang Yihan via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Apr 1 08:26:20 PDT 2022
yihanaa marked 3 inline comments as done.
yihanaa added inline comments.
================
Comment at: clang/lib/CodeGen/CGBuiltin.cpp:2113-2117
if (CanonicalType->isRecordType()) {
- TmpRes = dumpRecord(CGF, CanonicalType, FieldPtr, Align, Func, Lvl + 1);
+ TmpRes = dumpRecord(CGF, CanonicalType, FieldLV, Align, Func, Lvl + 1);
Res = CGF.Builder.CreateAdd(TmpRes, Res);
continue;
}
----------------
rsmith wrote:
> After this patch, this case no longer prints the field name. Eg: https://godbolt.org/z/o7vcbWaEf
>
> ```
> #include <stdio.h>
>
> struct A {};
>
> struct B {
> A a;
> };
>
>
> int main() {
> B x;
> __builtin_dump_struct(&x, &printf);
> }
> ```
>
> now prints:
>
> ```
> B {
> A {
> }
> }
> ```
>
> This seems like an important regression; please can you take a look? This also suggests to me that there's a hole in our test coverage.
Thanks for taking the time to review my patch and writing the Compiler Explorer examples, I'll take a look at this problem
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D122248/new/
https://reviews.llvm.org/D122248
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