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[clang-offload-extract] Ignore zero padding in .tgtimg section #4622

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sndmitriev
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This patch changes clang-offload-extract to ignore zero padding
when reading .tgtimg section contents. Such padding can be added
to the section by (msvc) linker.

Signed-off-by: Sergey Dmitriev serguei.n.dmitriev@intel.com

This patch changes clang-offload-extract to ignore zero padding
when reading .tgtimg section contents. Such padding can be added
to the section by (msvc) linker.

Signed-off-by: Sergey Dmitriev <serguei.n.dmitriev@intel.com>
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@mlychkov mlychkov left a comment

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LGTM.
The only question is if patch #4577 into clang-offload-wrapper is also required or it can be reverted in favor of current fix?

@sndmitriev
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LGTM.
The only question is if patch #4577 into clang-offload-wrapper is also required or it can be reverted in favor of current fix?

No, that patch is not required. I think there is no need to revert it since it just fixes a different issue.

@bader bader merged commit 5b8f3b0 into intel:sycl Sep 23, 2021
@sndmitriev sndmitriev deleted the public/sndmitriev/tgtimg-linker-padding branch September 23, 2021 13:27
alexbatashev added a commit to alexbatashev/llvm that referenced this pull request Sep 24, 2021
* upstream/sycl: (2344 commits)
  [ESIMD] Rename slm_load4/slm_store4 to slm_load_rgba/slm_store_rgba (intel#4158)
  [SYCL] Avoid re-computing group_range in nd_item::get_group_range() (intel#4621)
  [clang-offload-extract] Ignore zero padding in .tgting section (intel#4622)
  [Driver][SYCL] Fix -fsycl-help output when redirected (intel#4619)
  [Driver][SYCL][FPGA] Do not unbundle aoco as an archive for hardware (intel#4477)
  [Driver][SYCL] Fix offload-bundler and offload-deps triples (intel#4616)
  [SYCL] Fix bit_cast for half type (intel#4603)
  [SYCL] Fix a typo in accessor::get_range method (intel#4556)
  [SYCL] Detach allocas from their dependencies regardless of linked alloca presence (intel#4573)
  [SYCL][L0] Make sure that we only query/sync host-visible events from the host. (intel#4613)
  Fix tests with wrong alias metadata
  [Driver][SYCL] Fixup arguments to llc call for PIC and code-model (intel#4614)
  [SYCL][L0] Add ownership control for LeveL-Zero kernel_bundle interop. (intel#4576)
  [SYCL][Driver] Expose llvm-foreach --jobs functionality through a driver option (intel#4543)
  [SYCL] Prevent stream buffer leak on constructor exception (intel#4594)
  [ESIMD] Replace mask_type_t with simd_mask to represent Gen predicates. (intel#4230)
  Fix for a bunch of fixed point integer SPIR-V instructions (intel#1213)
  Amend SingleElementVectorINTEL decoration use cases according to spec update (intel#1192)
  Enforce UserSemantic decoration if no FPGA decorations found
  [SYCL][CUDA] Fix context scope in kernel launch (intel#4606)
  ...
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4 participants