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LoopPass: Remove redoLoop, it isn't used. NFC

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In r251064 I removed a logically unreachable call to `redoLoop`, and
now there aren't any callers of this API at all. Remove the needless
complexity.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251067 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-10-22 21:31:34 +00:00
parent ca9d3aa064
commit 0df7830790
2 changed files with 0 additions and 19 deletions
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6
include/llvm/Analysis/LoopPass.h
View File

@ -134,11 +134,6 @@ public:
// the top level if \c ParentLoop is null.
Loop &addLoop(Loop *ParentLoop);
// Reoptimize this loop. LPPassManager will re-insert this loop into the
// queue. This allows LoopPass to change loop nest for the loop. This
// utility may send LPPassManager into infinite loops so use caution.
void redoLoop(Loop *L);
//===--------------------------------------------------------------------===//
/// SimpleAnalysis - Provides simple interface to update analysis info
/// maintained by various passes. Note, if required this interface can
@ -161,7 +156,6 @@ public:
private:
std::deque<Loop *> LQ;
bool skipThisLoop;
bool redoThisLoop;
LoopInfo *LI;
Loop *CurrentLoop;
};

13
lib/Analysis/LoopPass.cpp
View File

@ -67,7 +67,6 @@ char LPPassManager::ID = 0;
LPPassManager::LPPassManager()
: FunctionPass(ID), PMDataManager() {
skipThisLoop = false;
redoThisLoop = false;
LI = nullptr;
CurrentLoop = nullptr;
}
@ -126,14 +125,6 @@ Loop &LPPassManager::addLoop(Loop *ParentLoop) {
return *L;
}
// Reoptimize this loop. LPPassManager will re-insert this loop into the
// queue. This allows LoopPass to change loop nest for the loop. This
// utility may send LPPassManager into infinite loops so use caution.
void LPPassManager::redoLoop(Loop *L) {
assert (CurrentLoop == L && "Can redo only CurrentLoop");
redoThisLoop = true;
}
/// cloneBasicBlockSimpleAnalysis - Invoke cloneBasicBlockAnalysis hook for
/// all loop passes.
void LPPassManager::cloneBasicBlockSimpleAnalysis(BasicBlock *From,
@ -223,7 +214,6 @@ bool LPPassManager::runOnFunction(Function &F) {
CurrentLoop = LQ.back();
skipThisLoop = false;
redoThisLoop = false;
// Run all passes on the current Loop.
for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
@ -288,9 +278,6 @@ bool LPPassManager::runOnFunction(Function &F) {
// Pop the loop from queue after running all passes.
LQ.pop_back();
if (redoThisLoop)
LQ.push_back(CurrentLoop);
}
// Finalization