| Issue |
154045
|
| Summary |
[LoopVectorize] Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
|
| Labels |
vectorizers,
crash-on-valid,
generated by fuzzer
|
| Assignees |
|
| Reporter |
dtcxzyw
|
Reproducer:
```
; bin/opt -passes=loop-vectorize reduced.ll -S
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @main(ptr %p, i1 %cmp.i.i.i.i, i64 %0) {
entry:
br label %for.cond28.preheader.i.i.i
for.cond28.preheader.i.i.i: ; preds = %safe_mod_func_int64_t_s_s.exit.i.i.i, %entry
%storemerge102.i.i.i = phi i64 [ 0, %entry ], [ %dec.i.i.i, %safe_mod_func_int64_t_s_s.exit.i.i.i ]
br i1 %cmp.i.i.i.i, label %safe_mod_func_int64_t_s_s.exit.i.i.i, label %cond.false.i.i.i.i
cond.false.i.i.i.i: ; preds = %for.cond28.preheader.i.i.i
%rem.i.i.i.i = srem i64 0, %0
br label %safe_mod_func_int64_t_s_s.exit.i.i.i
safe_mod_func_int64_t_s_s.exit.i.i.i: ; preds = %cond.false.i.i.i.i, %for.cond28.preheader.i.i.i
%cond.i.i.i.i = phi i64 [ %rem.i.i.i.i, %cond.false.i.i.i.i ], [ 0, %for.cond28.preheader.i.i.i ]
%cond.i.i.tr.i.i = trunc i64 %cond.i.i.i.i to i32
%conv82.i.i.i = shl i32 %cond.i.i.tr.i.i, 0
store i32 %conv82.i.i.i, ptr %p, align 4
%dec.i.i.i = add i64 %storemerge102.i.i.i, 1
%cmp19.not.i.i.i = icmp eq i64 %storemerge102.i.i.i, 1
br i1 %cmp19.not.i.i.i, label %func_131.exit, label %for.cond28.preheader.i.i.i
func_131.exit: ; preds = %safe_mod_func_int64_t_s_s.exit.i.i.i
ret void
}
```
```
opt: /home/dtcxzyw/WorkSpace/Projects/compilers/llvm-project/llvm/include/llvm/Support/Casting.h:578: decltype(auto) llvm::cast(From*) [with To = VectorType; From = Type]: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. Program arguments: bin/opt -passes=loop-vectorize reduced.ll -S
1. Running pass "function(loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>)" on module "reduced.ll"
2. Running pass "loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>" on function "main"
#0 0x0000787321a2ebb2 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/libLLVMSupport.so.22.0git+0x22ebb2)
#1 0x0000787321a2b17f llvm::sys::RunSignalHandlers() (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/libLLVMSupport.so.22.0git+0x22b17f)
#2 0x0000787321a2b2cc SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x0000787321445330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
#4 0x000078732149eb2c __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
#5 0x000078732149eb2c __pthread_kill_internal ./nptl/pthread_kill.c:78:10
#6 0x000078732149eb2c pthread_kill ./nptl/pthread_kill.c:89:10
#7 0x000078732144527e raise ./signal/../sysdeps/posix/raise.c:27:6
#8 0x00007873214288ff abort ./stdlib/abort.c:81:7
#9 0x000078732142881b _nl_load_domain ./intl/loadmsgcat.c:1177:9
#10 0x000078732143b517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
#11 0x00007873186e3e2f simplifyExtractElementInst(llvm::Value*, llvm::Value*, llvm::SimplifyQuery const&, unsigned int) (.constprop.0) InstructionSimplify.cpp:0:0
#12 0x000078731ab13f08 tryToFoldLiveIns(llvm::VPRecipeBase const&, unsigned int, llvm::ArrayRef<llvm::VPValue*>, llvm::DataLayout const&, llvm::VPTypeAnalysis&) VPlanTransforms.cpp:0:0
#13 0x000078731ab1f860 simplifyRecipe(llvm::VPRecipeBase&, llvm::VPTypeAnalysis&) VPlanTransforms.cpp:0:0
#14 0x000078731ab22200 llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMVectorize.so.22.0git+0x322200)
#15 0x000078731a8f77b6 llvm::LoopVectorizationPlanner::executePlan(llvm::ElementCount, unsigned int, llvm::VPlan&, llvm::InnerLoopVectorizer&, llvm::DominatorTree*, bool) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMVectorize.so.22.0git+0xf77b6)
#16 0x000078731a90864e llvm::LoopVectorizePass::processLoop(llvm::Loop*) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMVectorize.so.22.0git+0x10864e)
#17 0x000078731a90ade1 llvm::LoopVectorizePass::runImpl(llvm::Function&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMVectorize.so.22.0git+0x10ade1)
#18 0x000078731a90b4a6 llvm::LoopVectorizePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMVectorize.so.22.0git+0x10b4a6)
#19 0x000078731b4f0715 llvm::detail::PassModel<llvm::Function, llvm::LoopVectorizePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMPasses.so.22.0git+0xf0715)
#20 0x0000787318122289 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMCore.so.22.0git+0x322289)
#21 0x00007873204dd6b5 llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMX86CodeGen.so.22.0git+0xdd6b5)
#22 0x00007873181227a2 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMCore.so.22.0git+0x3227a2)
#23 0x0000787321d0e585 llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/libLLVMOptDriver.so.22.0git+0x20585)
#24 0x0000787318123acd llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/../lib/libLLVMCore.so.22.0git+0x323acd)
#25 0x0000787321d1b86e llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool, bool) (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/libLLVMOptDriver.so.22.0git+0x2d86e)
#26 0x0000787321d26a6a optMain (/home/dtcxzyw/WorkSpace/Projects/compilers/LLVM/llvm-build/bin/../lib/libLLVMOptDriver.so.22.0git+0x38a6a)
#27 0x000078732142a1ca __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:74:3
#28 0x000078732142a28b call_init ./csu/../csu/libc-start.c:128:20
#29 0x000078732142a28b __libc_start_main ./csu/../csu/libc-start.c:347:5
#30 0x00005f2bde346095 _start (bin/opt+0x1095)
Aborted (core dumped)
```
cc @fhahn
llvm version: 97d5d483ecc67d0b786a53d065b7202908cb4047
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