6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-10 02:36:06 +00:00
Code Issues Projects Releases Wiki Activity

Fix a bug in determining if there is only a single interfering register.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126277 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-02-23 00:29:55 +00:00
parent 98c8141b6d
commit 417df01291
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/CodeGen/RegAllocGreedy.cpp
View File

@ -240,8 +240,7 @@ LiveInterval *RAGreedy::getSingleInterference(LiveInterval &VirtReg,
if (Q.checkInterference()) {
if (Interference)
return 0;
Q.collectInterferingVRegs(1);
if (!Q.seenAllInterferences())
if (Q.collectInterferingVRegs(2) > 1)
return 0;
Interference = Q.interferingVRegs().front();
}