| Issue |
75510
|
| Summary |
[DAG] SelectionDAGBuilder::getValueImpl ASSERT: isa<To>(Val) && "cast<Ty>() argument of incompatible type!"
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
RKSimon
|
Reduced from https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=64839
```ll
define void @foo() {
entry:
%x3 = tail call i1 @llvm.type.test(ptr undef, metadata !"foo")
unreachable
}
declare i1 @llvm.type.test(ptr, metadata)
```
llc -mtriple=x86_64--
```asm
.text
.file "fuzz.ll"
Assertion failed: isa<To>(Val) && "cast<Ty>() argument of incompatible type!", file E:\llvm\llvm-project\llvm\include\llvm/Support/Casting.h, line 578
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. Program arguments: ninja\\bin\\llc -mtriple=x86_64-- fuzz.ll -o -
1. Running pass 'Function Pass Manager' on module 'fuzz.ll'.
2. Running pass 'X86 DAG->DAG Instruction Selection' on function '@foo'
Exception Code: 0x80000003
#0 0x00007ff6f1cad7d5 HandleAbort E:\llvm\llvm-project\llvm\lib\Support\Windows\Signals.inc:424:0
#1 0x00007ff862e51881 (C:\Windows\System32\ucrtbase.dll+0x71881)
#2 0x00007ff862e52851 (C:\Windows\System32\ucrtbase.dll+0x72851)
#3 0x00007ff862e5426e (C:\Windows\System32\ucrtbase.dll+0x7426e)
#4 0x00007ff862e54165 (C:\Windows\System32\ucrtbase.dll+0x74165)
#5 0x00007ff862e544f1 (C:\Windows\System32\ucrtbase.dll+0x744f1)
#6 0x00007ff6f0840e66 E:\llvm\llvm-project\llvm\include\llvm\Support\Casting.h:580:0
#7 0x00007ff6f1a0b323 llvm::SelectionDAGBuilder::getValueImpl(class llvm::Value const *) E:\llvm\llvm-project\llvm\lib\CodeGen\SelectionDAG\SelectionDAGBuilder.cpp:1891:0
#8 0x00007ff6f1a09ca2 llvm::SelectionDAGBuilder::getValue(class llvm::Value const *) E:\llvm\llvm-project\llvm\lib\CodeGen\SelectionDAG\SelectionDAGBuilder.cpp:1708:0
```
![]()
_______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
