[llvm-commits] CVS: llvm/lib/Transforms/IPO/LoopExtractor.cpp
Chris Lattner
lattner at cs.uiuc.edu
Wed Mar 17 21:49:02 PST 2004
Changes in directory llvm/lib/Transforms/IPO:
LoopExtractor.cpp updated: 1.7 -> 1.8
---
Log message:
The code extractor needs dominator info. Provide it
---
Diffs of the changes: (+7 -3)
Index: llvm/lib/Transforms/IPO/LoopExtractor.cpp
diff -u llvm/lib/Transforms/IPO/LoopExtractor.cpp:1.7 llvm/lib/Transforms/IPO/LoopExtractor.cpp:1.8
--- llvm/lib/Transforms/IPO/LoopExtractor.cpp:1.7 Sun Mar 14 18:02:02 2004
+++ llvm/lib/Transforms/IPO/LoopExtractor.cpp Wed Mar 17 21:48:06 2004
@@ -18,6 +18,7 @@
#include "llvm/iTerminators.h"
#include "llvm/Module.h"
#include "llvm/Pass.h"
+#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/FunctionUtils.h"
@@ -35,6 +36,7 @@
virtual bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequired<DominatorSet>();
AU.addRequired<LoopInfo>();
AU.addRequiredID(LoopSimplifyID);
}
@@ -59,6 +61,8 @@
if (LI.begin() == LI.end())
return false;
+ DominatorSet &DS = getAnalysis<DominatorSet>();
+
// If there is more than one top-level loop in this function, extract all of
// the loops.
bool Changed = false;
@@ -66,7 +70,7 @@
for (LoopInfo::iterator i = LI.begin(), e = LI.end(); i != e; ++i) {
if (NumLoops == 0) return Changed;
--NumLoops;
- Changed |= (ExtractLoop(*i) != 0);
+ Changed |= ExtractLoop(DS, *i) != 0;
}
} else {
// Otherwise there is exactly one top-level loop. If this function is more
@@ -93,7 +97,7 @@
if (ShouldExtractLoop) {
if (NumLoops == 0) return Changed;
--NumLoops;
- Changed |= (ExtractLoop(TLL) != 0);
+ Changed |= ExtractLoop(DS, TLL) != 0;
} else {
// Okay, this function is a minimal container around the specified loop.
// If we extract the loop, we will continue to just keep extracting it
@@ -102,7 +106,7 @@
for (Loop::iterator i = TLL->begin(), e = TLL->end(); i != e; ++i) {
if (NumLoops == 0) return Changed;
--NumLoops;
- Changed |= (ExtractLoop(*i) != 0);
+ Changed |= ExtractLoop(DS, *i) != 0;
}
}
}
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