asl
commented
15 years ago 2.2 is really ancient version. TOT correctly reports lack of interpreter support for external function atoi
Closed llvmbot closed 15 years ago
asl
commented
15 years ago 2.2 is really ancient version. TOT correctly reports lack of interpreter support for external function atoi
Extended Description
The following C program crashes when compiled with -O3 and run with lli -force-interpreter on my system:
include
include
int main(int argc, char **argv) { int number; if(argc<2) { printf("Usage: %s\n", argv[0]);
exit(1);
}
// other calls such as atof also provoke the crash number = atoi(argv[1]); printf("hello %d\n", number); }
Steps to reproduce the crash:
~/test/llvm$ llvm-gcc -emit-llvm -O3 -c hello.c -o hello.bc ~/test/llvm$ lli -force-interpreter hello.bc 42 lli: /tmp/buildd/llvm-2.2/lib/Support/APInt.cpp:109: llvm::APInt::APInt(const llvm::APInt&): Assertion `BitWidth <= MAX_INT_BITS && "bitwidth too large"' failed. lli[0x843d88] /lib/libc.so.6[0x7f6f3b9daf60] /lib/libc.so.6(gsignal+0x35)[0x7f6f3b9daed5] /lib/libc.so.6(abort+0x183)[0x7f6f3b9dc3f3] /lib/libc.so.6(__assert_fail+0xe9)[0x7f6f3b9d3dc9] lli(llvm::APInt::APInt(llvm::APInt const&)+0xc3)[0x820773] lli(llvm::Interpreter::callExternalFunction(llvm::Function, std::vector<llvm::GenericValue, std::allocator > const&)+0xc7)[0x5be997]
lli(llvm::Interpreter::callFunction(llvm::Function , std::vector<llvm::GenericValue, std::allocator > const&)+0x55f)[0x5b6adf]
lli(llvm::Interpreter::visitCallSite(llvm::CallSite)+0x22e)[0x5b86ce]
lli(llvm::InstVisitor<llvm::Interpreter, void>::visit(llvm::Instruction&)+0xa6)[0x5c22b6]
lli(llvm::Interpreter::run()+0x61)[0x5b92a1]
lli(llvm::Interpreter::runFunction(llvm::Function, std::vector<llvm::GenericValue, std::allocator > const&)+0xbc)[0x5bf35c]
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)+0x497)[0x5c89d7]
lli(main+0x21d)[0x4b362d]
/lib/libc.so.6(__libc_start_main+0xe6)[0x7f6f3b9c71a6]
lli(std::ios_base::Init::~Init()+0x41)[0x4b2ec9]
Aborted
The program runs correctly without -force-interpreter, without -emit-llvm and with -O0.
Configuration info (llvm was obtained with apt-get):
~/test/llvm$ lli --version Low Level Virtual Machine (http://llvm.org/): llvm version 2.2 (Debian 2.2-12) Optimized build with assertions.
~/test/llvm$ uname -a Linux XXX 2.6.26-1-amd64 #1 SMP Sat Jan 10 17:57:00 UTC 2009 x86_64 GNU/Linux