RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-02-01 13:11:39 +01:00
Code Issues Projects Releases Wiki Activity

Fix a future TwoAddressInstructionPass crash.

Browse Source 
No test case, the crash only happens when the default use list order is
changed.

llvm-svn: 161627
This commit is contained in:
Jakob Stoklund Olesen 2012-08-09 22:08:26 +00:00
parent c8bcc2518d
commit 74a24cbdaa
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/CodeGen/TwoAddressInstructionPass.cpp
View File

@ -235,7 +235,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB,
// appropriate location, we can try to sink the current instruction
// past it.
if (!KillMI || KillMI->getParent() != MBB || KillMI == MI ||
KillMI->isTerminator())
KillMI == OldPos || KillMI->isTerminator())
return false;
// If any of the definitions are used by another instruction between the
@ -278,6 +278,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB,
}
}
}
assert(KillMO && "Didn't find kill");
// Update kill and LV information.
KillMO->setIsKill(false);