RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2025-01-31 12:41:49 +01:00
Code Issues Projects Releases Wiki Activity

[PM] Preserve the correct set of analyses for GVN.

Browse Source 
llvm-svn: 271934
This commit is contained in:
Davide Italiano 2016-06-06 20:01:50 +00:00
parent 3becf3dbb5
commit ba23c5fa4d
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/Transforms/Scalar/GVN.cpp
View File

@ -594,7 +594,12 @@ PreservedAnalyses GVN::run(Function &F, AnalysisManager<Function> &AM) {
auto &AA = AM.getResult<AAManager>(F);
auto &MemDep = AM.getResult<MemoryDependenceAnalysis>(F);
bool Changed = runImpl(F, AC, DT, TLI, AA, &MemDep);
return Changed ? PreservedAnalyses::none() : PreservedAnalyses::all();
if (!Changed)
return PreservedAnalyses::all();
PreservedAnalyses PA;
PA.preserve<DominatorTreeAnalysis>();
PA.preserve<GlobalsAA>();
return PA;
}
LLVM_DUMP_METHOD