LLVM Bugzilla is read-only and represents the historical archive of all LLVM issues filled before November 26, 2021. Use github to submit LLVM bugs

Bug 1326 - legalize crash with C++ EH
Summary: legalize crash with C++ EH
Status: RESOLVED FIXED
Alias: None
Product: libraries
Classification: Unclassified
Component: Common Code Generator Code (show other bugs)
Version: trunk
Hardware: Other Linux
: P normal
Assignee: Unassigned LLVM Bugs
URL:
Keywords: compile-fail
Depends on:
Blocks:
 
Reported: 2007-04-14 06:18 PDT by Duncan Sands
Modified: 2010-02-22 12:53 PST (History)
1 user (show)

See Also:
Fixed By Commit(s):

Attachments
Bytecode causing the crash (414 bytes, application/octet-stream)
2007-04-14 06:19 PDT, Duncan Sands 		Details
testcase .ll reduced from C++ run-time (821 bytes, text/plain)
2007-04-16 09:07 PDT, Duncan Sands 		Details
ultimately reduced .ll testcase (563 bytes, text/plain)
2007-04-16 09:10 PDT, Duncan Sands 		Details
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Duncan Sands 2007-04-14 06:18:49 PDT 
$ llc -enable-eh eh.bc
llc: /home/duncan/tmp/llvm.master/include/llvm/CodeGen/SelectionDAGNodes.h:904: 
llvm::MVT::ValueType llvm::SDNode::getValueType(unsigned int) const: Assertion 
`ResNo < NumValues && "Illegal result number!"' failed.
llc((anonymous namespace)::PrintStackTrace()+0x1a)[0x891f23a]
llc((anonymous namespace)::SignalHandler(int)+0x112)[0x891f500]
[0xffffe420]
/lib/tls/i686/cmov/libc.so.6(abort+0x101)[0xb7ce5641]
/lib/tls/i686/cmov/libc.so.6(__assert_fail+0xfb)[0xb7cdd43b]
llc(llvm::SDNode::getValueType(unsigned int) const+0x39)[0x844c925]
llc(llvm::SDOperand::getValueType() const+0x1d)[0x844c955]
llc[0x86f5c5b]
llc[0x86e9c8d]
llc[0x8704eef]
llc[0x870535e]
llc(llvm::SelectionDAG::Legalize()+0x41)[0x87054f7]
llc(llvm::SelectionDAGISel::CodeGenAndEmitDAG(llvm::SelectionDAG&)+0x93)
[0x869fde9]
llc(llvm::SelectionDAGISel::SelectBasicBlock(llvm::BasicBlock*, 
llvm::MachineFunction&, llvm::FunctionLoweringInfo&)+0xb5)[0x86b555d]
llc(llvm::SelectionDAGISel::runOnFunction(llvm::Function&)+0x11f)[0x86b7173]
llc[0x8576643]
llc(llvm::FPPassManager::runOnFunction(llvm::Function&)+0x13a)[0x88ac6d2]
llc(llvm::FunctionPassManagerImpl::run(llvm::Function&)+0x6e)[0x88ac956]
llc(llvm::FunctionPassManager::run(llvm::Function&)+0x88)[0x88aca16]
llc(main+0xbe9)[0x8410959]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7ccfebc]
llc[0x840ec11]
Aborted (core dumped)
Comment 1 Duncan Sands 2007-04-14 06:19:33 PDT 
Created attachment 776 [details]
Bytecode causing the crash
Comment 2 Duncan Sands 2007-04-16 08:55:48 PDT 
PS: This problem stops the C++ runtime from building with -enable-eh.
Comment 3 Duncan Sands 2007-04-16 09:07:57 PDT 
Created attachment 784 [details]
testcase .ll reduced from C++ run-time
Comment 4 Duncan Sands 2007-04-16 09:10:46 PDT 
Created attachment 785 [details]
ultimately reduced .ll testcase
Comment 5 Chris Lattner 2007-04-27 12:13:43 PDT 
Fixed, testcase here: CodeGen/Generic/2007-04-14-EHSelectorCrash.ll

Patch here:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070423/048557.html

-Chris