RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 19:52:54 +01:00
Code Issues Projects Releases Wiki Activity

Fix PR10755 by checking for invalid predicate codes from UNPREDICTABLE t2IT instructions when decoding their successors.

Browse Source 
This is the last disassembly crash detected by exhaustive Thumb2 instruction space.  Major thanks to Chandler Carruth for making this kind of exhaustive testing possible.

llvm-svn: 138625
This commit is contained in:
Owen Anderson 2011-08-26 06:19:51 +00:00
parent b20cee1e19
commit 87c906dabf
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
View File

@ -376,6 +376,8 @@ void ThumbDisassembler::AddThumbPredicate(MCInst &MI) const {
unsigned CC;
if (!ITBlock.empty()) {
CC = ITBlock.back();
if (CC == 0xF)
CC = ARMCC::AL;
ITBlock.pop_back();
} else
CC = ARMCC::AL;