[llvm-commits] [llvm] r105542 - /llvm/trunk/lib/Analysis/ScalarEvolution.cpp
Dan Gohman
gohman at apple.com
Mon Jun 7 12:12:54 PDT 2010
Author: djg
Date: Mon Jun 7 14:12:54 2010
New Revision: 105542
URL: http://llvm.org/viewvc/llvm-project?rev=105542&view=rev
Log:
Micro-optimize this.
Modified:
llvm/trunk/lib/Analysis/ScalarEvolution.cpp
Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=105542&r1=105541&r2=105542&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Mon Jun 7 14:12:54 2010
@@ -505,8 +505,10 @@
return false;
// Primarily, sort the SCEVs by their getSCEVType().
- if (LHS->getSCEVType() != RHS->getSCEVType())
- return LHS->getSCEVType() < RHS->getSCEVType();
+ unsigned LST = LHS->getSCEVType();
+ unsigned RST = RHS->getSCEVType();
+ if (LST != RST)
+ return LST < RST;
// Then, pick an arbitrary sort. Use the profiling data for speed.
const FoldingSetNodeIDRef &L = LHS->getProfile();
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