[simplera] Regression test failure

[llvmbot]

Bugzilla Link	294
Resolution	FIXED
Resolved on	Feb 22, 2010 12:51
Version	trunk
OS	All
Reporter	LLVM Bugzilla Contributor

Extended Description

The Regression.CodeGen.X86.2002-12-23-LocalRAProblem regression test (and other
X86 code generation regression tests) abort with the following output:

lli: /home/vadve/criswell/rel12/llvm/include/llvm/Target/MRegisterInfo.h:151:
static bool llvm::MRegisterInfo::isVirtualRegister(unsigned int): Assertion `Reg
&& "this is not a register!"' failed.
lli[0x844f28a]
lli[0x844f4aa]
lli[0x42029188]
lli(abort+0x16e)[0x4202a8c2]
lli[0x42022ecb]
lli(llvm::MRegisterInfo::isVirtualRegister(unsigned)+0x30)[0x82e04a8]
lli((anonymous
namespace)::RegAllocSimple::AllocateBasicBlock(llvm::MachineBasicBlock&)+0x1ca)[0x82dc3c6]
lli((anonymous
namespace)::RegAllocSimple::runOnMachineFunction(llvm::MachineFunction&)+0xdb)[0x82dc8cd]
lli(llvm::MachineFunctionPass::runOnFunction(llvm::Function&)+0x29)[0x82dfbf7]
lli(llvm::PassManagerTraitsllvm::Function::runPass(llvm::FunctionPass*,
llvm::Function*)+0x1f)[0x8426cb1]
lli(llvm::PassManagerTllvm::Function::runOnUnit(llvm::Function*)+0x5e1)[0x841ce99]
lli(llvm::PassManagerTraitsllvm::Function::runOnFunction(llvm::Function&)+0x1f)[0x841da6d]
lli(llvm::FunctionPass::run(llvm::Function&)+0x6a)[0x83d7db2]
lli(llvm::FunctionPassManager::run(llvm::Function&)+0x39)[0x83d735d]
lli(llvm::JIT::runJITOnFunction(llvm::Function*)+0x4f)[0x82c6043]
lli(llvm::JIT::getPointerToFunction(llvm::Function*)+0xf4)[0x82c618a]
lli(llvm::JIT::runFunction(llvm::Function*, std::vector<llvm::GenericValue,
std::allocatorllvm::GenericValue > const&)+0x6a)[0x82c5eb4]
lli(llvm::ExecutionEngine::runFunctionAsMain(llvm::Function*,
std::vector<std::basic_string<char, std::char_traits, std::allocator

, std::allocator<std::basic_string<char, std::char_traits,
std::allocator > > > const&, char const* const*)+0x25b)[0x83093c5]
lli(main+0x264)[0x82ad7c4]
lli(__libc_start_main+0x95)[0x42017589]
lli(std::basic_ostream<char, std::char_traits >& std::operator<<
<std::char_traits >(std::basic_ostream<char, std::char_traits >&,
char)+0x5d)[0x82ad4b1]

[llvmbot]

assigned to @lattner

[lattner]

Despite the name of the bug, this is really a problem in the simple allocator
which has been neglected. This is extremely low priority, but I'll look into it.

-Chris

[lattner]

Fixed, trivial patch here:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20040315/013166.html

-Chris