RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 11:42:57 +01:00
Code Issues Projects Releases Wiki Activity

Check empty dominance frontier.

Browse Source 
llvm-svn: 52437
This commit is contained in:
Devang Patel 2008-06-18 02:12:09 +00:00
parent c190d65454
commit 960d6ae6d1
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/llvm/Analysis/Dominators.h
View File

@ -944,6 +944,9 @@ public:
// itself is not member of NewBB's dominance frontier.
DominanceFrontier::iterator NewDFI = find(NewBB);
DominanceFrontier::iterator DFI = find(BB);
// If BB was an entry block then its frontier is empty.
if (DFI == end())
return;
DominanceFrontier::DomSetType BBSet = DFI->second;
for (DominanceFrontier::DomSetType::iterator BBSetI = BBSet.begin(),
BBSetE = BBSet.end(); BBSetI != BBSetE; ++BBSetI) {