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Details
: Assertion in FP stackifier
Bug#: 2257
: libraries
: Backend: X86
Status: NEW
Resolution:
: PC
: Linux
: trunk
: P2
: normal
: ---
:
:
:
: 2268
  Show dependency tree - Show dependency graph
People
Reporter: Anton Korobeynikov <asl@math.spbu.ru>
Assigned To: Unassigned LLVM Bugs <unassignedbugs@nondot.org>
:

Attachments
Bytecode (648 bytes, application/octet-stream)
2008-04-27 18:59, Anton Korobeynikov 		Details
Another bytecode (588 bytes, application/octet-stream)
2008-04-27 19:02, Anton Korobeynikov 		Details
View All Add an attachment (proposed patch, testcase, etc.)


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Description:   Opened: 2008-04-27 18:59 
Created an attachment (id=1609) [details]
Bytecode

Consider attached bytecode.

$ ./llc bugpoint-reduced-simplified.bc 
llc: /home/asl/proj/llvm/src/lib/Target/X86/X86FloatingPoint.cpp:975:
void<unnamed>::FPS::handleSpecialFP(llvm::ilist_iterator<llvm::MachineInstr>&):
Assertion `StackTop == 1 && "Stack should have one element on it to return!"'
failed.
./llc[0x878a1ad]
/lib/libc.so.6(abort+0xe8)[0xb7c687e8]
/lib/libc.so.6(__assert_fail+0xdf)[0xb7c6040f]
./llc[0x82a9f66]
------- Comment #1 From Anton Korobeynikov 2008-04-27 19:02:08 ------- 
Created an attachment (id=1610) [details]
Another bytecode

I think there is different testcase for the same problem (assertion message is
different though)
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