Comment # 6
on bug 84232
from Vitaliy Filippov
Hm, I've tried to reproduce your testcase and got another bug:
int main()
{
int i;
for (i = 0; i < 100; i++)
{
if (!(i%10))
{
i = i%50;
if (i%2 == 0)
break;
}
}
return i;
}
clang-3.5 -S -emit-llvm test.c
llc-3.5 -march=r600 -mcpu=oland test.ll
>>>>
Program received signal SIGSEGV, Segmentation fault.
llvm::BasicBlock::getTerminator (this=0x471f08) at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/BasicBlock.cpp:126
126 return dyn_cast<TerminatorInst>(&InstList.back());
(gdb) bt
#0 llvm::BasicBlock::getTerminator (this=0x471f08) at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/BasicBlock.cpp:126
#1 0x00007ffff7442c9a in (anonymous
namespace)::SIAnnotateControlFlow::handleLoopCondition
(this=this@entry=0x44c960, Cond=0x471eb0, Broken=Broken@entry=
0x486a50) at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/Target/R600/SIAnnotateControlFlow.cpp:271
#2 0x00007ffff7443d6c in handleLoop (Term=0x486af8, this=0x44c960)
at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/Target/R600/SIAnnotateControlFlow.cpp:288
#3 (anonymous namespace)::SIAnnotateControlFlow::runOnFunction (this=0x44c960,
F=...)
at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/Target/R600/SIAnnotateControlFlow.cpp:325
#4 0x00007ffff662a3d7 in llvm::FPPassManager::runOnFunction (this=0x43e930,
F=...)
at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/LegacyPassManager.cpp:1545
#5 0x00007ffff662a45b in llvm::FPPassManager::runOnModule (this=0x43e930,
M=...)
at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/LegacyPassManager.cpp:1565
#6 0x00007ffff662ce19 in runOnModule (M=..., this=0x431140) at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/LegacyPassManager.cpp:1623
#7 llvm::legacy::PassManagerImpl::run (this=0x430e50, M=...) at
/var/home/vitali/setup/llvm/llvm-toolchain-3.5-3.5/lib/IR/LegacyPassManager.cpp:1730
#8 0x0000000000411a11 in ?? ()
#9 0x000000000040cd98 in main ()
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