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Milind Chabbi

2013-Jul-29 07:39 UTC

[LLVMdev] opt -O3 causes Assertion `New->getType() == getType() && "replaceAllUses of value with new value of different type!"' failed

I am hitting an LLVM assertion from the llc tool iff the bitcode file
is optimized at -O3 level by opt). -O1 and -O2 levels of opt do not
cause this assert.

 LLVM version 3.4svn
  DEBUG build with assertions.
  Built Jul 14 2013 (15:39:08).
  Default target: x86_64-unknown-linux-gnu
  Host CPU: amdfam10


I have attached the input bc file before -O3 optimization :bzip2.del.bc.tgz
I have attached the input bc file after -O3 optimization : bzip2.del.opt.bc.tgz


Command to run on -O3 optimized file: llc -cppgen=program bzip2.del.opt.bc

Call stack:

llc: Value.cpp:307: void
llvm::Value::replaceAllUsesWith(llvm::Value*): Assertion
`New->getType() == getType() && "replaceAllUses of value with
new
value of different type!"' failed.
0  llc             0x00000000014c716a llvm::sys::PrintStackTrace(_IO_FILE*) + 38
1  llc             0x00000000014c73d1
2  llc             0x00000000014c7718
3  libpthread.so.0 0x000000333060eb10
4  libc.so.6       0x000000332fa30265 gsignal + 53
5  libc.so.6       0x000000332fa31d10 abort + 272
6  libc.so.6       0x000000332fa296e6 __assert_fail + 246
7  llc             0x00000000014702df
llvm::Value::replaceAllUsesWith(llvm::Value*) + 173
8  llc             0x00000000006b91e3
llvm::BitcodeReaderValueList::ResolveConstantForwardRefs() + 1127
9  llc             0x00000000006b9d97
llvm::BitcodeReader::ParseConstants() + 339
10 llc             0x00000000006bc634
llvm::BitcodeReader::ParseFunctionBody(llvm::Function*) + 594
11 llc             0x00000000006c2d63
llvm::BitcodeReader::Materialize(llvm::GlobalValue*, std::string*) +
411
12 llc             0x00000000006c290d
llvm::BitcodeReader::MaterializeModule(llvm::Module*, std::string*) +
195
13 llc             0x000000000144898e
llvm::Module::MaterializeAll(std::string*) + 78
14 llc             0x00000000014489b7
llvm::Module::MaterializeAllPermanently(std::string*) + 29
15 llc             0x00000000006c367b
llvm::ParseBitcodeFile(llvm::MemoryBuffer*, llvm::LLVMContext&,
std::string*) + 93
16 llc             0x0000000000679302
llvm::ParseIR(llvm::MemoryBuffer*, llvm::SMDiagnostic&,
llvm::LLVMContext&) + 214
17 llc             0x000000000067958a llvm::ParseIRFile(std::string
const&, llvm::SMDiagnostic&, llvm::LLVMContext&) + 374
18 llc             0x00000000006680f4
19 llc             0x0000000000668fed main + 199
20 libc.so.6       0x000000332fa1d994 __libc_start_main + 244
21 llc             0x0000000000666319
Stack dump:
0.	Program arguments: llc -cppgen=program bzip2.del.opt.bc
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Hal Finkel

2013-Aug-02 16:15 UTC

head link

[LLVMdev] opt -O3 causes Assertion `New->getType() == getType() && "replaceAllUses of value with new value of different type!"' failed

Milind,

Have you filed a bug on this? If not, can you please open a bug report
(http://llvm.org/bugs)?

 -Hal

----- Original Message -----> I am hitting an LLVM assertion from the llc tool iff the bitcode file
> is optimized at -O3 level by opt). -O1 and -O2 levels of opt do not
> cause this assert.
> 
>  LLVM version 3.4svn
>   DEBUG build with assertions.
>   Built Jul 14 2013 (15:39:08).
>   Default target: x86_64-unknown-linux-gnu
>   Host CPU: amdfam10
> 
> 
> I have attached the input bc file before -O3 optimization
> :bzip2.del.bc.tgz
> I have attached the input bc file after -O3 optimization :
> bzip2.del.opt.bc.tgz
> 
> 
> Command to run on -O3 optimized file: llc -cppgen=program
> bzip2.del.opt.bc
> 
> Call stack:
> 
> llc: Value.cpp:307: void
> llvm::Value::replaceAllUsesWith(llvm::Value*): Assertion
> `New->getType() == getType() && "replaceAllUses of value
with new
> value of different type!"' failed.
> 0  llc             0x00000000014c716a
> llvm::sys::PrintStackTrace(_IO_FILE*) + 38
> 1  llc             0x00000000014c73d1
> 2  llc             0x00000000014c7718
> 3  libpthread.so.0 0x000000333060eb10
> 4  libc.so.6       0x000000332fa30265 gsignal + 53
> 5  libc.so.6       0x000000332fa31d10 abort + 272
> 6  libc.so.6       0x000000332fa296e6 __assert_fail + 246
> 7  llc             0x00000000014702df
> llvm::Value::replaceAllUsesWith(llvm::Value*) + 173
> 8  llc             0x00000000006b91e3
> llvm::BitcodeReaderValueList::ResolveConstantForwardRefs() + 1127
> 9  llc             0x00000000006b9d97
> llvm::BitcodeReader::ParseConstants() + 339
> 10 llc             0x00000000006bc634
> llvm::BitcodeReader::ParseFunctionBody(llvm::Function*) + 594
> 11 llc             0x00000000006c2d63
> llvm::BitcodeReader::Materialize(llvm::GlobalValue*, std::string*) +
> 411
> 12 llc             0x00000000006c290d
> llvm::BitcodeReader::MaterializeModule(llvm::Module*, std::string*) +
> 195
> 13 llc             0x000000000144898e
> llvm::Module::MaterializeAll(std::string*) + 78
> 14 llc             0x00000000014489b7
> llvm::Module::MaterializeAllPermanently(std::string*) + 29
> 15 llc             0x00000000006c367b
> llvm::ParseBitcodeFile(llvm::MemoryBuffer*, llvm::LLVMContext&,
> std::string*) + 93
> 16 llc             0x0000000000679302
> llvm::ParseIR(llvm::MemoryBuffer*, llvm::SMDiagnostic&,
> llvm::LLVMContext&) + 214
> 17 llc             0x000000000067958a llvm::ParseIRFile(std::string
> const&, llvm::SMDiagnostic&, llvm::LLVMContext&) + 374
> 18 llc             0x00000000006680f4
> 19 llc             0x0000000000668fed main + 199
> 20 libc.so.6       0x000000332fa1d994 __libc_start_main + 244
> 21 llc             0x0000000000666319
> Stack dump:
> 0.	Program arguments: llc -cppgen=program bzip2.del.opt.bc
> 
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
> 
-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory

Milind Chabbi

2013-Aug-02 20:29 UTC

head link

[LLVMdev] opt -O3 causes Assertion `New->getType() == getType() && "replaceAllUses of value with new value of different type!"' failed

Hi Hal,

I have filed http://llvm.org/bugs/show_bug.cgi?id=16780

-Milind

On Fri, Aug 2, 2013 at 9:15 AM, Hal Finkel <hfinkel at anl.gov>
wrote:> Milind,
>
> Have you filed a bug on this? If not, can you please open a bug report
(http://llvm.org/bugs)?
>
>  -Hal
>
> ----- Original Message -----
>> I am hitting an LLVM assertion from the llc tool iff the bitcode file
>> is optimized at -O3 level by opt). -O1 and -O2 levels of opt do not
>> cause this assert.
>>
>>  LLVM version 3.4svn
>>   DEBUG build with assertions.
>>   Built Jul 14 2013 (15:39:08).
>>   Default target: x86_64-unknown-linux-gnu
>>   Host CPU: amdfam10
>>
>>
>> I have attached the input bc file before -O3 optimization
>> :bzip2.del.bc.tgz
>> I have attached the input bc file after -O3 optimization :
>> bzip2.del.opt.bc.tgz
>>
>>
>> Command to run on -O3 optimized file: llc -cppgen=program
>> bzip2.del.opt.bc
>>
>> Call stack:
>>
>> llc: Value.cpp:307: void
>> llvm::Value::replaceAllUsesWith(llvm::Value*): Assertion
>> `New->getType() == getType() && "replaceAllUses of
value with new
>> value of different type!"' failed.
>> 0  llc             0x00000000014c716a
>> llvm::sys::PrintStackTrace(_IO_FILE*) + 38
>> 1  llc             0x00000000014c73d1
>> 2  llc             0x00000000014c7718
>> 3  libpthread.so.0 0x000000333060eb10
>> 4  libc.so.6       0x000000332fa30265 gsignal + 53
>> 5  libc.so.6       0x000000332fa31d10 abort + 272
>> 6  libc.so.6       0x000000332fa296e6 __assert_fail + 246
>> 7  llc             0x00000000014702df
>> llvm::Value::replaceAllUsesWith(llvm::Value*) + 173
>> 8  llc             0x00000000006b91e3
>> llvm::BitcodeReaderValueList::ResolveConstantForwardRefs() + 1127
>> 9  llc             0x00000000006b9d97
>> llvm::BitcodeReader::ParseConstants() + 339
>> 10 llc             0x00000000006bc634
>> llvm::BitcodeReader::ParseFunctionBody(llvm::Function*) + 594
>> 11 llc             0x00000000006c2d63
>> llvm::BitcodeReader::Materialize(llvm::GlobalValue*, std::string*) +
>> 411
>> 12 llc             0x00000000006c290d
>> llvm::BitcodeReader::MaterializeModule(llvm::Module*, std::string*) +
>> 195
>> 13 llc             0x000000000144898e
>> llvm::Module::MaterializeAll(std::string*) + 78
>> 14 llc             0x00000000014489b7
>> llvm::Module::MaterializeAllPermanently(std::string*) + 29
>> 15 llc             0x00000000006c367b
>> llvm::ParseBitcodeFile(llvm::MemoryBuffer*, llvm::LLVMContext&,
>> std::string*) + 93
>> 16 llc             0x0000000000679302
>> llvm::ParseIR(llvm::MemoryBuffer*, llvm::SMDiagnostic&,
>> llvm::LLVMContext&) + 214
>> 17 llc             0x000000000067958a llvm::ParseIRFile(std::string
>> const&, llvm::SMDiagnostic&, llvm::LLVMContext&) + 374
>> 18 llc             0x00000000006680f4
>> 19 llc             0x0000000000668fed main + 199
>> 20 libc.so.6       0x000000332fa1d994 __libc_start_main + 244
>> 21 llc             0x0000000000666319
>> Stack dump:
>> 0.    Program arguments: llc -cppgen=program bzip2.del.opt.bc
>>
>> _______________________________________________
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>>
>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>

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