6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-26 06:29:20 +00:00
Code Issues Projects Releases Wiki Activity

LSR itself doesn't need LoopInfo.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91283 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-12-14 17:02:34 +00:00
parent c398365349
commit 1ed8bb3556
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Transforms/Scalar/LoopStrengthReduce.cpp
View File

@ -27,7 +27,6 @@
#include "llvm/Type.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/IVUsers.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolutionExpander.h"
#include "llvm/Transforms/Utils/AddrModeMatcher.h"
@ -84,7 +83,6 @@ namespace {
class LoopStrengthReduce : public LoopPass {
IVUsers *IU;
LoopInfo *LI;
ScalarEvolution *SE;
bool Changed;
@ -115,12 +113,11 @@ namespace {
// We split critical edges, so we change the CFG. However, we do update
// many analyses if they are around.
AU.addPreservedID(LoopSimplifyID);
AU.addPreserved<LoopInfo>();
AU.addPreserved("loops");
AU.addPreserved("domfrontier");
AU.addPreserved("domtree");
AU.addRequiredID(LoopSimplifyID);
AU.addRequired<LoopInfo>();
AU.addRequired<ScalarEvolution>();
AU.addPreserved<ScalarEvolution>();
AU.addRequired<IVUsers>();
@ -259,7 +256,7 @@ static bool containsAddRecFromDifferentLoop(const SCEV *S, Loop *L) {
if (newLoop == L)
return false;
// if newLoop is an outer loop of L, this is OK.
if (!LoopInfo::isNotAlreadyContainedIn(L, newLoop))
if (!newLoop->contains(L->getHeader()))
return false;
}
return true;
@ -2720,7 +2717,6 @@ bool LoopStrengthReduce::OptimizeLoopCountIV(Loop *L) {
bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) {
IU = &getAnalysis<IVUsers>();
LI = &getAnalysis<LoopInfo>();
SE = &getAnalysis<ScalarEvolution>();
Changed = false;