ARM disassembler: UNREACHABLE executed at [...]/llvm-trunk/lib/Target/ARM/InstPrinter/../ARMBaseInfo.h:146!

[llvmbot]

Bugzilla Link	9648
Resolution	FIXED
Resolved on	Apr 08, 2011 14:21
Version	trunk
OS	Linux
Reporter	LLVM Bugzilla Contributor
CC	@tkremenek

Extended Description

This is trunk r129111 running on Debian x86-64.

I get

$ echo '0x40 0xf0 0x7f 0xf5' |llvm-mc --disassemble --triple=arm
dsb Unknown memory operation
UNREACHABLE executed at /home/sliedes/projects/llvm-trunk/lib/Target/ARM/InstPrinter/../ARMBaseInfo.h:146!
0 llvm-mc 0x0000000000d9838f
1 llvm-mc 0x0000000000d98eca
2 libpthread.so.0 0x00007f1e41523f60
3 libc.so.6 0x00007f1e40840165 gsignal + 53
4 libc.so.6 0x00007f1e40842f70 abort + 384
5 llvm-mc 0x0000000000d82684
6 llvm-mc 0x000000000064e957
7 llvm-mc 0x0000000000408871
8 llvm-mc 0x0000000000409c1f
9 llvm-mc 0x000000000040c762
10 libc.so.6 0x00007f1e4082cc4d __libc_start_main + 253
11 llvm-mc 0x0000000000406e29
Stack dump:
0. Program arguments: llvm-mc --disassemble --triple=arm
Aborted

[tkremenek]

cloned to rdar://problem/9257634

[llvmbot]

Need to sanity check the option operand.
Fixed in http://llvm.org/viewvc/llvm-project?view=rev&revision=129146.
Thanks.