dblaikie added a subscriber: jmorse.
dblaikie added a comment.
Simple clang example that produces this invalid DWARF:
void b(double);
void c();
void e(double e) {
c();
b(e);
}
$ clang-tot x.ii -g -c -o - -O3 | llvm-dwarfdump-tot - | grep DW_OP_deref_size
[0x0000000000000006, 0x0000000000000016): DW_OP_breg7
RSP+0, DW_OP_deref_size 0x10, DW_OP_stack_value)
This seems to be created here:
https://github.com/llvm/llvm-project/blob/dd84f5f91c6b234a2f188b6acf8557cae81b8a53/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp#L1281
- so I'll file a bug for @jmorse to take a look at, perhaps.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D154907/new/
https://reviews.llvm.org/D154907
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