[llvm-commits] CVS: llvm/lib/Analysis/LoadValueNumbering.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

LoadValueNumbering.cpp updated: 1.27 -> 1.28
---
Log message:

Remove some useless map operations.  Loads/stores that are in the same
BB as the load are not included in the Cand* sets at all.


---
Diffs of the changes:  (+0 -10)

 LoadValueNumbering.cpp |   10 ----------
 1 files changed, 10 deletions(-)


Index: llvm/lib/Analysis/LoadValueNumbering.cpp
diff -u llvm/lib/Analysis/LoadValueNumbering.cpp:1.27 llvm/lib/Analysis/LoadValueNumbering.cpp:1.28
--- llvm/lib/Analysis/LoadValueNumbering.cpp:1.27	Sat Jan 29 00:31:53 2005
+++ llvm/lib/Analysis/LoadValueNumbering.cpp	Sat Jan 29 00:39:25 2005
@@ -374,17 +374,7 @@
   // Get dominators.
   DominatorSet &DomSetInfo = getAnalysis<DominatorSet>();
 
-  // Find all of the candidate loads and stores that are in the same block as
-  // the defining instruction.
   std::set<Instruction*> Instrs;
-  Instrs.insert(CandidateLoads[LoadBB].begin(), CandidateLoads[LoadBB].end());
-  CandidateLoads.erase(LoadBB);
-  Instrs.insert(CandidateStores[LoadBB].begin(), CandidateStores[LoadBB].end());
-  CandidateStores.erase(LoadBB);
-
-  // If there is anything left in the Instrs set, it could not possibly equal
-  // LI.
-  Instrs.clear();
 
   // TransparentBlocks - For each basic block the load/store is alive across,
   // figure out if the pointer is invalidated or not.  If it is invalidated, the