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ORC does not honor the --entry-function flag #49250

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cota opened this issue Apr 9, 2021 · 4 comments
Closed

ORC does not honor the --entry-function flag #49250

cota opened this issue Apr 9, 2021 · 4 comments
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@weliveindetail
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bugzilla Issues migrated from bugzilla orcjit

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@cota
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cota commented Apr 9, 2021

Bugzilla Link 49906
Resolution FIXED
Resolved on Apr 13, 2021 11:40
Version trunk
OS Linux
Attachments rsqrt lli example with @entry function
CC @AlexDenisov,@joker-eph,@lhames

Extended Description

$ bin/lli -jit-kind=mcjit --entry-function=entry --mattr="avx512bw" --dlopen=$(pwd)/lib/libmlir_c_runner_utils.so rsqrt.lli
( 0.125, 0.25, 0.5, 1, 2, 4, 8, 16 )
( 2.82764, 1.99951, 1.41382, 0.999756, 0.706909, 0.499878, 0.353455, 0.249939 )

$ bin/lli -jit-kind=orc --entry-function=entry --mattr="avx512bw" --dlopen=$(pwd)/lib/libmlir_c_runner_utils.so rsqrt.lli
bin/lli: Symbols not found: [ main ]
@cota
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cota commented Apr 9, 2021

assigned to @weliveindetail

@cota
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cota commented Apr 13, 2021

Using MCJIT is an effective workaround, e.g. https://reviews.llvm.org/D100344 .

Adding this note as a reminder to ourselves to clean up those invocations once this bug is fixed.

@joker-eph
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+Stefan and Lang for this, I assume it is likely just a missing plumbing between lli and ORC?

@lhames
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lhames commented Apr 13, 2021

Hi Emilio, Mehdi,

Yep -- this was just missing plumbing. It should be fixed in 9b8e7a9.

-- Lang.

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 11, 2021
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@lhames @cota @joker-eph