Open Quuxplusone opened 4 years ago
bbi-36444.ll
Created attachment 22895 bbi-36444.ll reproducer llvm version: f3dafd21a36f Reproduce with: opt -o /dev/null bbi-36444.ll -loop-unroll -iv-users Result: Stack dump: 0. Program arguments: build-all-builtins/bin/opt -o /dev/null bbi-36444.ll -loop-unroll -iv-users 1. Running pass 'Function Pass Manager' on module 'bbi-36444.ll'. 2. Running pass 'Loop Pass Manager' on function '@test' 3. Releasing pass 'Induction Variable Users' #0 0x0000000003e69574 PrintStackTraceSignalHandler(void*) (build-all-builtins/bin/opt+0x3e69574) #1 0x0000000003e6725e llvm::sys::RunSignalHandlers() (build-all-builtins/bin/opt+0x3e6725e) #2 0x0000000003e6997c SignalHandler(int) (build-all-builtins/bin/opt+0x3e6997c) #3 0x00007efe32333890 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12890) #4 0x000000000303e185 llvm::IVUsersWrapperPass::releaseMemory() (build-all-builtins/bin/opt+0x303e185) #5 0x0000000003709b4f llvm::PMDataManager::freePass(llvm::Pass*, llvm::StringRef, llvm::PassDebuggingString) (build-all-builtins/bin/opt+0x3709b4f) #6 0x00000000030be57d llvm::LPPassManager::runOnFunction(llvm::Function&) (build-all-builtins/bin/opt+0x30be57d) #7 0x000000000370c683 llvm::FPPassManager::runOnFunction(llvm::Function&) (build-all-builtins/bin/opt+0x370c683) #8 0x000000000370c968 llvm::FPPassManager::runOnModule(llvm::Module&) (build-all-builtins/bin/opt+0x370c968) #9 0x000000000370cfcd llvm::legacy::PassManagerImpl::run(llvm::Module&) (build-all-builtins/bin/opt+0x370cfcd) #10 0x000000000207cdaa main (build-all-builtins/bin/opt+0x207cdaa) #11 0x00007efe30dbfb97 __libc_start_main /build/glibc-OTsEL5/glibc- 2.27/csu/../csu/libc-start.c:344:0 #12 0x000000000206502a _start (build-all-builtins/bin/opt+0x206502a) Segmentation fault (core dumped) -debug-pass=Executions gives [2019-12-05 09:54:16.848083739] 0x51f7480 Executing Pass 'Function Pass Manager' on Module 'bbi-36444.ll'... [2019-12-05 09:54:16.848188364] 0x51fc2e0 Executing Pass 'Dominator Tree Construction' on Function 'test'... [2019-12-05 09:54:16.848226289] 0x51fc2e0 Executing Pass 'Natural Loop Information' on Function 'test'... [2019-12-05 09:54:16.848261630] 0x51fc2e0 Executing Pass 'Canonicalize natural loops' on Function 'test'... [2019-12-05 09:54:16.848300952] 0x51fc2e0 Made Modification 'Canonicalize natural loops' on Function 'test'... [2019-12-05 09:54:16.848325816] 0x51fc2e0 Executing Pass 'LCSSA Verifier' on Function 'test'... [2019-12-05 09:54:16.848348655] 0x51fc2e0 Executing Pass 'Loop-Closed SSA Form Pass' on Function 'test'... [2019-12-05 09:54:16.848382808] 0x51fc2e0 Executing Pass 'Basic Alias Analysis (stateless AA impl)' on Function 'test'... [2019-12-05 09:54:16.848411025] 0x51fc2e0 Executing Pass 'Function Alias Analysis Results' on Function 'test'... [2019-12-05 09:54:16.848436098] 0x51fc2e0 Executing Pass 'Scalar Evolution Analysis' on Function 'test'... [2019-12-05 09:54:16.848475001] 0x51fc2e0 Executing Pass 'Loop Pass Manager' on Function 'test'... [2019-12-05 09:54:16.848507828] 0x51fd370 Executing Pass 'Unroll loops' on Loop 'do.body'... [2019-12-05 09:54:16.848693960] 0x51fd370 Made Modification 'Unroll loops' on Loop '<deleted loop>'... [2019-12-05 09:54:16.848724062] 0x51fd370 Freeing Pass 'Unroll loops' on Loop '<deleted>'... [2019-12-05 09:54:16.848745015] 0x51fd370 Freeing Pass 'Unroll loops' on Loop '<deleted>'... [2019-12-05 09:54:16.848763733] 0x51fd370 Freeing Pass 'Induction Variable Users' on Loop '<deleted>'... Old passmanager problem perhaps?
Attached bbi-36444.ll (255 bytes, text/plain): bbi-36444.ll reproducer
bbi-36444.ll
(255 bytes, text/plain)