[clang] [HIP] Support compressing device binary (PR #67162)

[Yaxun Liu via cfe-commits]

yxsamliu wrote:

[AMD Official Use Only - General]

I have reverted the commit. Will fix and reland. Thanks.

Sam

From: mikaelholmen ***@***.***>
Sent: Thursday, October 5, 2023 4:05 AM
To: llvm/llvm-project ***@***.***>
Cc: Liu, Yaxun (Sam) ***@***.***>; State change ***@***.***>
Subject: Re: [llvm/llvm-project] [HIP] Support compressing device binary (PR #67162)

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Hi,

I noticed that with UBSan this new testcase fails

09:59:08 Failed Tests (1):

09:59:08   Clang :: Driver/clang-offload-bundler-zlib.c

with

09:39:53 ../../clang/lib/Driver/OffloadBundler.cpp:1012:25: runtime error: load of misaligned address 0x55ceca16e46c for type 'const uint64_t' (aka 'const unsigned long'), which requires 8 byte alignment

09:39:53 0x55ceca16e46c: note: pointer points here

09:39:53   bc 00 00 00 94 dc 29 9a  89 fb ca 2b 78 9c 8b 8f  77 f6 71 f4 73 8f f7 77  73 f3 f1 77 74 89 77 0a

09:39:53               ^

09:39:53 SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../clang/lib/Driver/OffloadBundler.cpp:1012:25 in

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https://github.com/llvm/llvm-project/pull/67162