| Issue |
143238
|
| Summary |
[X86][SDAG] Infinite loop at O3
|
| Labels |
backend:X86,
llvm:hang,
llvm:SelectionDAG,
generated by fuzzer
|
| Assignees |
|
| Reporter |
dtcxzyw
|
Reproducer: https://godbolt.org/z/8vdGdr7rz
```
; bin/llc test.ll -o -
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 <16 x i8> @main(<16 x i8> %0) {
entry:
%1 = sdiv <16 x i8> %0, <i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 16, i8 17>
%.mask = and <16 x i8> %1, splat (i8 1)
ret <16 x i8> %.mask
}
```
Original C code: https://gist.github.com/dtcxzyw/1544c7fc76b982c29bd8b27bb93237df
![]()
_______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
