6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-10-01 10:57:21 +00:00
Code Issues Projects Releases Wiki Activity

Make isSafeToSpeculativelyExecute() return the right answer for some new instructions. Found by inspection; not sure what practical impact, if any, this has.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138962 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-09-01 21:03:03 +00:00
parent bcf47a5bce
commit 81b4e434d9
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/VMCore/Instruction.cpp
View File

@ -436,6 +436,10 @@ bool Instruction::isSafeToSpeculativelyExecute() const {
case Unwind:
case Unreachable:
case Fence:
case LandingPad:
case AtomicRMW:
case AtomicCmpXchg:
case Resume:
return false; // Misc instructions which have effects
}
}