| Issue |
184585
|
| Summary |
LLVM fatal error: Broken module found, compilation aborted! LLVM ERROR: Broken module found, compilation aborted!
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
TatyanaDoubts
|
To reproduce run opt (-passes=slp-vectorizer -slp-threshold=-99999) with the test below:
```
; ModuleID = 'reduced.ll'
source_filename = "reduced.ll"
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-ni:1-p2:32:8:8:32-ni:2"
target triple = "x86_64-unknown-linux-gnu"
define void @widget() #0 gc "statepoint-example" {
bb:
%load = load i32, ptr addrspace(3) null, align 4
%load1 = load i32, ptr addrspace(3) null, align 4
%load2 = load i32, ptr addrspace(3) null, align 4
%load3 = load i32, ptr addrspace(3) null, align 4
br i1 false, label %bb4, label %bb8
bb4: ; preds = %bb
%phi = phi i32 [ 0, %bb ]
%phi5 = phi i32 [ 0, %bb ]
%phi6 = phi i32 [ 0, %bb ]
%phi7 = phi i32 [ 0, %bb ]
%icmp = icmp slt i32 %phi, 0
br label %bb18
bb8: ; preds = %bb
br i1 false, label %bb18, label %bb9
bb9: ; preds = %bb8
%phi10 = phi i32 [ 0, %bb8 ]
%phi11 = phi i32 [ 0, %bb8 ]
%phi12 = phi i32 [ 0, %bb8 ]
%phi13 = phi i32 [ 0, %bb8 ]
%phi14 = phi i32 [ 0, %bb8 ]
%phi15 = phi i32 [ 0, %bb8 ]
%phi16 = phi i32 [ 0, %bb8 ]
%phi17 = phi i32 [ 0, %bb8 ]
br label %bb18
bb18: ; preds = %bb9, %bb8, %bb4
%phi19 = phi i32 [ %phi17, %bb9 ], [ %phi, %bb4 ], [ 0, %bb8 ]
%phi20 = phi i32 [ %phi10, %bb9 ], [ %phi7, %bb4 ], [ 0, %bb8 ]
%phi21 = phi i32 [ %phi11, %bb9 ], [ %load, %bb4 ], [ %load, %bb8 ]
%phi22 = phi i32 [ %phi12, %bb9 ], [ %phi6, %bb4 ], [ 0, %bb8 ]
%phi23 = phi i32 [ %phi13, %bb9 ], [ %phi5, %bb4 ], [ 0, %bb8 ]
%phi24 = phi i32 [ %phi14, %bb9 ], [ %load1, %bb4 ], [ %load1, %bb8 ]
%phi25 = phi i32 [ %phi15, %bb9 ], [ %load2, %bb4 ], [ %load2, %bb8 ]
%phi26 = phi i32 [ %phi16, %bb9 ], [ %load3, %bb4 ], [ %load3, %bb8 ]
br label %bb27
bb27: ; preds = %bb18
%or = or i32 %phi19, %phi20
%or28 = or i32 %or, %phi21
%or29 = or i32 %or28, %phi22
%or30 = or i32 %or29, %phi23
%or31 = or i32 %or30, %phi24
%or32 = or i32 %or31, %phi25
%or33 = or i32 %or32, %phi26
%sext = sext i32 %or33 to i64
store i64 %sext, ptr addrspace(1) null, align 8
ret void
}
attributes #0 = { "target-cpu"="skylake-avx512" "target-features"="+prfchw,-cldemote,+avx,+aes,+sahf,+pclmul,-xop,+crc32,-amx-fp8,+xsaves,-avx512fp16,-usermsr,-sm4,-egpr,+sse4.1,-avx10.1,-avx512ifma,+xsave,+sse4.2,-tsxldtrk,-sm3,-ptwrite,-widekl,-movrs,+invpcid,+64bit,+xsavec,-avx512vpopcntdq,+cmov,-avx512vp2intersect,+avx512cd,+movbe,-avxvnniint8,-ccmp,-amx-int8,-kl,-sha512,-avxvnni,+rtm,+adx,+avx2,-hreset,-movdiri,-serialize,-vpclmulqdq,+avx512vl,-uintr,-cf,+clflushopt,-raoint,-cmpccxadd,+bmi,-amx-tile,+sse,-gfni,-avxvnniint16,-amx-fp16,-zu,-ndd,+xsaveopt,+rdrnd,+avx512f,-amx-bf16,-avx512bf16,-avx512vnni,-push2pop2,+cx8,+avx512bw,+sse3,+pku,-nf,-amx-tf32,-amx-avx512,+fsgsbase,-clzero,-mwaitx,-lwp,+lzcnt,-sha,-movdir64b,-ppx,-wbnoinvd,-enqcmd,-avxneconvert,-tbm,-pconfig,-amx-complex,+ssse3,+cx16,-avx10.2,+bmi2,+fma,+popcnt,-avxifma,+f16c,-avx512bitalg,-rdpru,+clwb,+mmx,+sse2,+rdseed,-avx512vbmi2,-prefetchi,-amx-movrs,-rdpid,-fma4,-avx512vbmi,-shstk,-vaes,-waitpkg,-sgx,+fxsr,+avx512dq,-sse4a,-avx512f" }
```
Reproducer: https://godbolt.org/z/3Yn46P9W1
Stack dump:
```
0. Program arguments: /opt/compiler-explorer/clang-assertions-trunk/bin/opt -o /app/output.s -S -passes=slp-vectorizer -slp-threshold=-99999 <source>
1. Running pass "verify" on module "<source>"
#0 0x0000000005be3a38 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5be3a38)
#1 0x0000000005be0864 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x0000760c3fc42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x0000760c3fc969fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#4 0x0000760c3fc42476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#5 0x0000760c3fc287f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#6 0x0000000000832585 llvm::json::operator==(llvm::json::Value const&, llvm::json::Value const&) (.cold) JSON.cpp:0:0
#7 0x0000000005b12e01 (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x5b12e01)
#8 0x000000000598f628 (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x598f628)
#9 0x000000000096e20e llvm::detail::PassModel<llvm::Module, llvm::VerifierPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x96e20e)
#10 0x000000000594be41 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x594be41)
#11 0x00000000009783fa 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) (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x9783fa)
#12 0x000000000096c495 optMain (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x96c495)
#13 0x0000760c3fc29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#14 0x0000760c3fc29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#15 0x0000000000963175 _start (/opt/compiler-explorer/clang-assertions-trunk/bin/opt+0x963175)
Program terminated with signal: SIGSEGV
Compiler returned: 139
```
![]()
_______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
