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-rw-r--r--lib/Transforms/IPO/LoopExtractor.cpp7
-rw-r--r--lib/Transforms/IPO/PartialInlining.cpp5
-rw-r--r--lib/Transforms/Utils/CodeExtractor.cpp268
3 files changed, 114 insertions, 166 deletions
diff --git a/lib/Transforms/IPO/LoopExtractor.cpp b/lib/Transforms/IPO/LoopExtractor.cpp
index 4f96afe..97d7cdc 100644
--- a/lib/Transforms/IPO/LoopExtractor.cpp
+++ b/lib/Transforms/IPO/LoopExtractor.cpp
@@ -24,7 +24,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
-#include "llvm/Transforms/Utils/FunctionUtils.h"
+#include "llvm/Transforms/Utils/CodeExtractor.h"
#include "llvm/ADT/Statistic.h"
#include <fstream>
#include <set>
@@ -132,7 +132,8 @@ bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &LPM) {
if (ShouldExtractLoop) {
if (NumLoops == 0) return Changed;
--NumLoops;
- if (ExtractLoop(DT, L) != 0) {
+ CodeExtractor Extractor(DT, *L);
+ if (Extractor.extractCodeRegion() != 0) {
Changed = true;
// After extraction, the loop is replaced by a function call, so
// we shouldn't try to run any more loop passes on it.
@@ -296,7 +297,7 @@ bool BlockExtractorPass::runOnModule(Module &M) {
if (const InvokeInst *II =
dyn_cast<InvokeInst>(BlocksToExtract[i]->getTerminator()))
BlocksToExtractVec.push_back(II->getUnwindDest());
- ExtractBasicBlock(BlocksToExtractVec);
+ CodeExtractor(BlocksToExtractVec).extractCodeRegion();
}
return !BlocksToExtract.empty();
diff --git a/lib/Transforms/IPO/PartialInlining.cpp b/lib/Transforms/IPO/PartialInlining.cpp
index d9d1d10..9c9910b 100644
--- a/lib/Transforms/IPO/PartialInlining.cpp
+++ b/lib/Transforms/IPO/PartialInlining.cpp
@@ -19,7 +19,7 @@
#include "llvm/Pass.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/Transforms/Utils/FunctionUtils.h"
+#include "llvm/Transforms/Utils/CodeExtractor.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/CFG.h"
using namespace llvm;
@@ -122,7 +122,8 @@ Function* PartialInliner::unswitchFunction(Function* F) {
DT.runOnFunction(*duplicateFunction);
// Extract the body of the if.
- Function* extractedFunction = ExtractCodeRegion(DT, toExtract);
+ Function* extractedFunction
+ = CodeExtractor(toExtract, &DT).extractCodeRegion();
InlineFunctionInfo IFI;
diff --git a/lib/Transforms/Utils/CodeExtractor.cpp b/lib/Transforms/Utils/CodeExtractor.cpp
index b8cea45..50eb8a2 100644
--- a/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/lib/Transforms/Utils/CodeExtractor.cpp
@@ -13,7 +13,7 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/Transforms/Utils/FunctionUtils.h"
+#include "llvm/Transforms/Utils/CodeExtractor.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
@@ -43,61 +43,78 @@ static cl::opt<bool>
AggregateArgsOpt("aggregate-extracted-args", cl::Hidden,
cl::desc("Aggregate arguments to code-extracted functions"));
-namespace {
- class CodeExtractor {
- typedef SetVector<Value*> Values;
- SetVector<BasicBlock*> BlocksToExtract;
- DominatorTree* DT;
- bool AggregateArgs;
- unsigned NumExitBlocks;
- Type *RetTy;
- public:
- CodeExtractor(DominatorTree* dt = 0, bool AggArgs = false)
- : DT(dt), AggregateArgs(AggArgs||AggregateArgsOpt), NumExitBlocks(~0U) {}
-
- Function *ExtractCodeRegion(ArrayRef<BasicBlock*> code);
-
- bool isEligible(ArrayRef<BasicBlock*> code);
-
- private:
- /// definedInRegion - Return true if the specified value is defined in the
- /// extracted region.
- bool definedInRegion(Value *V) const {
- if (Instruction *I = dyn_cast<Instruction>(V))
- if (BlocksToExtract.count(I->getParent()))
- return true;
- return false;
- }
+/// \brief Test whether a block is valid for extraction.
+static bool isBlockValidForExtraction(const BasicBlock &BB) {
+ // Landing pads must be in the function where they were inserted for cleanup.
+ if (BB.isLandingPad())
+ return false;
- /// definedInCaller - Return true if the specified value is defined in the
- /// function being code extracted, but not in the region being extracted.
- /// These values must be passed in as live-ins to the function.
- bool definedInCaller(Value *V) const {
- if (isa<Argument>(V)) return true;
- if (Instruction *I = dyn_cast<Instruction>(V))
- if (!BlocksToExtract.count(I->getParent()))
- return true;
+ // Don't hoist code containing allocas, invokes, or vastarts.
+ for (BasicBlock::const_iterator I = BB.begin(), E = BB.end(); I != E; ++I) {
+ if (isa<AllocaInst>(I) || isa<InvokeInst>(I))
return false;
+ if (const CallInst *CI = dyn_cast<CallInst>(I))
+ if (const Function *F = CI->getCalledFunction())
+ if (F->getIntrinsicID() == Intrinsic::vastart)
+ return false;
+ }
+
+ return true;
+}
+
+/// \brief Build a set of blocks to extract if the input blocks are viable.
+static SetVector<BasicBlock *>
+buildExtractionBlockSet(ArrayRef<BasicBlock *> BBs) {
+ SetVector<BasicBlock *> Result;
+
+ // Loop over the blocks, adding them to our set-vector, and aborting with an
+ // empty set if we encounter invalid blocks.
+ for (ArrayRef<BasicBlock *>::iterator I = BBs.begin(), E = BBs.end();
+ I != E; ++I) {
+ if (!Result.insert(*I))
+ continue;
+
+ if (!isBlockValidForExtraction(**I)) {
+ Result.clear();
+ break;
}
+ }
- void severSplitPHINodes(BasicBlock *&Header);
- void splitReturnBlocks();
- void findInputsOutputs(Values &inputs, Values &outputs);
+ return Result;
+}
+
+CodeExtractor::CodeExtractor(BasicBlock *BB, bool AggregateArgs)
+ : DT(0), AggregateArgs(AggregateArgs||AggregateArgsOpt),
+ Blocks(buildExtractionBlockSet(BB)), NumExitBlocks(~0U) {}
- Function *constructFunction(const Values &inputs,
- const Values &outputs,
- BasicBlock *header,
- BasicBlock *newRootNode, BasicBlock *newHeader,
- Function *oldFunction, Module *M);
+CodeExtractor::CodeExtractor(ArrayRef<BasicBlock *> BBs, DominatorTree *DT,
+ bool AggregateArgs)
+ : DT(DT), AggregateArgs(AggregateArgs||AggregateArgsOpt),
+ Blocks(buildExtractionBlockSet(BBs)), NumExitBlocks(~0U) {}
- void moveCodeToFunction(Function *newFunction);
+CodeExtractor::CodeExtractor(DominatorTree &DT, Loop &L, bool AggregateArgs)
+ : DT(&DT), AggregateArgs(AggregateArgs||AggregateArgsOpt),
+ Blocks(buildExtractionBlockSet(L.getBlocks())), NumExitBlocks(~0U) {}
- void emitCallAndSwitchStatement(Function *newFunction,
- BasicBlock *newHeader,
- Values &inputs,
- Values &outputs);
- };
+/// definedInRegion - Return true if the specified value is defined in the
+/// extracted region.
+static bool definedInRegion(const SetVector<BasicBlock *> &Blocks, Value *V) {
+ if (Instruction *I = dyn_cast<Instruction>(V))
+ if (Blocks.count(I->getParent()))
+ return true;
+ return false;
+}
+
+/// definedInCaller - Return true if the specified value is defined in the
+/// function being code extracted, but not in the region being extracted.
+/// These values must be passed in as live-ins to the function.
+static bool definedInCaller(const SetVector<BasicBlock *> &Blocks, Value *V) {
+ if (isa<Argument>(V)) return true;
+ if (Instruction *I = dyn_cast<Instruction>(V))
+ if (!Blocks.count(I->getParent()))
+ return true;
+ return false;
}
/// severSplitPHINodes - If a PHI node has multiple inputs from outside of the
@@ -115,7 +132,7 @@ void CodeExtractor::severSplitPHINodes(BasicBlock *&Header) {
// than one entry from outside the region. If so, we need to sever the
// header block into two.
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
- if (BlocksToExtract.count(PN->getIncomingBlock(i)))
+ if (Blocks.count(PN->getIncomingBlock(i)))
++NumPredsFromRegion;
else
++NumPredsOutsideRegion;
@@ -136,8 +153,8 @@ void CodeExtractor::severSplitPHINodes(BasicBlock *&Header) {
// We only want to code extract the second block now, and it becomes the new
// header of the region.
BasicBlock *OldPred = Header;
- BlocksToExtract.remove(OldPred);
- BlocksToExtract.insert(NewBB);
+ Blocks.remove(OldPred);
+ Blocks.insert(NewBB);
Header = NewBB;
// Okay, update dominator sets. The blocks that dominate the new one are the
@@ -152,7 +169,7 @@ void CodeExtractor::severSplitPHINodes(BasicBlock *&Header) {
// Loop over all of the predecessors of OldPred that are in the region,
// changing them to branch to NewBB instead.
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
- if (BlocksToExtract.count(PN->getIncomingBlock(i))) {
+ if (Blocks.count(PN->getIncomingBlock(i))) {
TerminatorInst *TI = PN->getIncomingBlock(i)->getTerminator();
TI->replaceUsesOfWith(OldPred, NewBB);
}
@@ -170,7 +187,7 @@ void CodeExtractor::severSplitPHINodes(BasicBlock *&Header) {
// Loop over all of the incoming value in PN, moving them to NewPN if they
// are from the extracted region.
for (unsigned i = 0; i != PN->getNumIncomingValues(); ++i) {
- if (BlocksToExtract.count(PN->getIncomingBlock(i))) {
+ if (Blocks.count(PN->getIncomingBlock(i))) {
NewPN->addIncoming(PN->getIncomingValue(i), PN->getIncomingBlock(i));
PN->removeIncomingValue(i);
--i;
@@ -181,8 +198,8 @@ void CodeExtractor::severSplitPHINodes(BasicBlock *&Header) {
}
void CodeExtractor::splitReturnBlocks() {
- for (SetVector<BasicBlock*>::iterator I = BlocksToExtract.begin(),
- E = BlocksToExtract.end(); I != E; ++I)
+ for (SetVector<BasicBlock *>::iterator I = Blocks.begin(), E = Blocks.end();
+ I != E; ++I)
if (ReturnInst *RI = dyn_cast<ReturnInst>((*I)->getTerminator())) {
BasicBlock *New = (*I)->splitBasicBlock(RI, (*I)->getName()+".ret");
if (DT) {
@@ -205,23 +222,23 @@ void CodeExtractor::splitReturnBlocks() {
// findInputsOutputs - Find inputs to, outputs from the code region.
//
-void CodeExtractor::findInputsOutputs(Values &inputs, Values &outputs) {
+void CodeExtractor::findInputsOutputs(ValueSet &inputs, ValueSet &outputs) {
std::set<BasicBlock*> ExitBlocks;
- for (SetVector<BasicBlock*>::const_iterator ci = BlocksToExtract.begin(),
- ce = BlocksToExtract.end(); ci != ce; ++ci) {
+ for (SetVector<BasicBlock*>::const_iterator ci = Blocks.begin(),
+ ce = Blocks.end(); ci != ce; ++ci) {
BasicBlock *BB = *ci;
for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I) {
// If a used value is defined outside the region, it's an input. If an
// instruction is used outside the region, it's an output.
for (User::op_iterator O = I->op_begin(), E = I->op_end(); O != E; ++O)
- if (definedInCaller(*O))
+ if (definedInCaller(Blocks, *O))
inputs.insert(*O);
// Consider uses of this instruction (outputs).
for (Value::use_iterator UI = I->use_begin(), E = I->use_end();
UI != E; ++UI)
- if (!definedInRegion(*UI)) {
+ if (!definedInRegion(Blocks, *UI)) {
outputs.insert(I);
break;
}
@@ -230,7 +247,7 @@ void CodeExtractor::findInputsOutputs(Values &inputs, Values &outputs) {
// Keep track of the exit blocks from the region.
TerminatorInst *TI = BB->getTerminator();
for (unsigned i = 0, e = TI->getNumSuccessors(); i != e; ++i)
- if (!BlocksToExtract.count(TI->getSuccessor(i)))
+ if (!Blocks.count(TI->getSuccessor(i)))
ExitBlocks.insert(TI->getSuccessor(i));
} // for: basic blocks
@@ -240,8 +257,8 @@ void CodeExtractor::findInputsOutputs(Values &inputs, Values &outputs) {
/// constructFunction - make a function based on inputs and outputs, as follows:
/// f(in0, ..., inN, out0, ..., outN)
///
-Function *CodeExtractor::constructFunction(const Values &inputs,
- const Values &outputs,
+Function *CodeExtractor::constructFunction(const ValueSet &inputs,
+ const ValueSet &outputs,
BasicBlock *header,
BasicBlock *newRootNode,
BasicBlock *newHeader,
@@ -261,15 +278,15 @@ Function *CodeExtractor::constructFunction(const Values &inputs,
std::vector<Type*> paramTy;
// Add the types of the input values to the function's argument list
- for (Values::const_iterator i = inputs.begin(),
- e = inputs.end(); i != e; ++i) {
+ for (ValueSet::const_iterator i = inputs.begin(), e = inputs.end();
+ i != e; ++i) {
const Value *value = *i;
DEBUG(dbgs() << "value used in func: " << *value << "\n");
paramTy.push_back(value->getType());
}
// Add the types of the output values to the function's argument list.
- for (Values::const_iterator I = outputs.begin(), E = outputs.end();
+ for (ValueSet::const_iterator I = outputs.begin(), E = outputs.end();
I != E; ++I) {
DEBUG(dbgs() << "instr used in func: " << **I << "\n");
if (AggregateArgs)
@@ -326,7 +343,7 @@ Function *CodeExtractor::constructFunction(const Values &inputs,
for (std::vector<User*>::iterator use = Users.begin(), useE = Users.end();
use != useE; ++use)
if (Instruction* inst = dyn_cast<Instruction>(*use))
- if (BlocksToExtract.count(inst->getParent()))
+ if (Blocks.count(inst->getParent()))
inst->replaceUsesOfWith(inputs[i], RewriteVal);
}
@@ -347,7 +364,7 @@ Function *CodeExtractor::constructFunction(const Values &inputs,
// The BasicBlock which contains the branch is not in the region
// modify the branch target to a new block
if (TerminatorInst *TI = dyn_cast<TerminatorInst>(Users[i]))
- if (!BlocksToExtract.count(TI->getParent()) &&
+ if (!Blocks.count(TI->getParent()) &&
TI->getParent()->getParent() == oldFunction)
TI->replaceUsesOfWith(header, newHeader);
@@ -373,7 +390,7 @@ static BasicBlock* FindPhiPredForUseInBlock(Value* Used, BasicBlock* BB) {
/// necessary.
void CodeExtractor::
emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
- Values &inputs, Values &outputs) {
+ ValueSet &inputs, ValueSet &outputs) {
// Emit a call to the new function, passing in: *pointer to struct (if
// aggregating parameters), or plan inputs and allocated memory for outputs
std::vector<Value*> params, StructValues, ReloadOutputs, Reloads;
@@ -381,14 +398,14 @@ emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
LLVMContext &Context = newFunction->getContext();
// Add inputs as params, or to be filled into the struct
- for (Values::iterator i = inputs.begin(), e = inputs.end(); i != e; ++i)
+ for (ValueSet::iterator i = inputs.begin(), e = inputs.end(); i != e; ++i)
if (AggregateArgs)
StructValues.push_back(*i);
else
params.push_back(*i);
// Create allocas for the outputs
- for (Values::iterator i = outputs.begin(), e = outputs.end(); i != e; ++i) {
+ for (ValueSet::iterator i = outputs.begin(), e = outputs.end(); i != e; ++i) {
if (AggregateArgs) {
StructValues.push_back(*i);
} else {
@@ -403,7 +420,7 @@ emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
AllocaInst *Struct = 0;
if (AggregateArgs && (inputs.size() + outputs.size() > 0)) {
std::vector<Type*> ArgTypes;
- for (Values::iterator v = StructValues.begin(),
+ for (ValueSet::iterator v = StructValues.begin(),
ve = StructValues.end(); v != ve; ++v)
ArgTypes.push_back((*v)->getType());
@@ -458,7 +475,7 @@ emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
std::vector<User*> Users(outputs[i]->use_begin(), outputs[i]->use_end());
for (unsigned u = 0, e = Users.size(); u != e; ++u) {
Instruction *inst = cast<Instruction>(Users[u]);
- if (!BlocksToExtract.count(inst->getParent()))
+ if (!Blocks.count(inst->getParent()))
inst->replaceUsesOfWith(outputs[i], load);
}
}
@@ -476,11 +493,11 @@ emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
std::map<BasicBlock*, BasicBlock*> ExitBlockMap;
unsigned switchVal = 0;
- for (SetVector<BasicBlock*>::const_iterator i = BlocksToExtract.begin(),
- e = BlocksToExtract.end(); i != e; ++i) {
+ for (SetVector<BasicBlock*>::const_iterator i = Blocks.begin(),
+ e = Blocks.end(); i != e; ++i) {
TerminatorInst *TI = (*i)->getTerminator();
for (unsigned i = 0, e = TI->getNumSuccessors(); i != e; ++i)
- if (!BlocksToExtract.count(TI->getSuccessor(i))) {
+ if (!Blocks.count(TI->getSuccessor(i))) {
BasicBlock *OldTarget = TI->getSuccessor(i);
// add a new basic block which returns the appropriate value
BasicBlock *&NewTarget = ExitBlockMap[OldTarget];
@@ -624,12 +641,12 @@ emitCallAndSwitchStatement(Function *newFunction, BasicBlock *codeReplacer,
}
void CodeExtractor::moveCodeToFunction(Function *newFunction) {
- Function *oldFunc = (*BlocksToExtract.begin())->getParent();
+ Function *oldFunc = (*Blocks.begin())->getParent();
Function::BasicBlockListType &oldBlocks = oldFunc->getBasicBlockList();
Function::BasicBlockListType &newBlocks = newFunction->getBasicBlockList();
- for (SetVector<BasicBlock*>::const_iterator i = BlocksToExtract.begin(),
- e = BlocksToExtract.end(); i != e; ++i) {
+ for (SetVector<BasicBlock*>::const_iterator i = Blocks.begin(),
+ e = Blocks.end(); i != e; ++i) {
// Delete the basic block from the old function, and the list of blocks
oldBlocks.remove(*i);
@@ -638,45 +655,22 @@ void CodeExtractor::moveCodeToFunction(Function *newFunction) {
}
}
-/// ExtractRegion - Removes a loop from a function, replaces it with a call to
-/// new function. Returns pointer to the new function.
-///
-/// algorithm:
-///
-/// find inputs and outputs for the region
-///
-/// for inputs: add to function as args, map input instr* to arg#
-/// for outputs: add allocas for scalars,
-/// add to func as args, map output instr* to arg#
-///
-/// rewrite func to use argument #s instead of instr*
-///
-/// for each scalar output in the function: at every exit, store intermediate
-/// computed result back into memory.
-///
-Function *CodeExtractor::
-ExtractCodeRegion(ArrayRef<BasicBlock*> code) {
- if (!isEligible(code))
+Function *CodeExtractor::extractCodeRegion() {
+ if (!isEligible())
return 0;
- // 1) Find inputs, outputs
- // 2) Construct new function
- // * Add allocas for defs, pass as args by reference
- // * Pass in uses as args
- // 3) Move code region, add call instr to func
- //
- BlocksToExtract.insert(code.begin(), code.end());
-
- Values inputs, outputs;
+ ValueSet inputs, outputs;
// Assumption: this is a single-entry code region, and the header is the first
// block in the region.
- BasicBlock *header = code[0];
+ BasicBlock *header = *Blocks.begin();
- for (unsigned i = 1, e = code.size(); i != e; ++i)
- for (pred_iterator PI = pred_begin(code[i]), E = pred_end(code[i]);
+ for (SetVector<BasicBlock *>::iterator BI = llvm::next(Blocks.begin()),
+ BE = Blocks.end();
+ BI != BE; ++BI)
+ for (pred_iterator PI = pred_begin(*BI), E = pred_end(*BI);
PI != E; ++PI)
- assert(BlocksToExtract.count(*PI) &&
+ assert(Blocks.count(*PI) &&
"No blocks in this region may have entries from outside the region"
" except for the first block!");
@@ -718,7 +712,7 @@ ExtractCodeRegion(ArrayRef<BasicBlock*> code) {
for (BasicBlock::iterator I = header->begin(); isa<PHINode>(I); ++I) {
PHINode *PN = cast<PHINode>(I);
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
- if (!BlocksToExtract.count(PN->getIncomingBlock(i)))
+ if (!Blocks.count(PN->getIncomingBlock(i)))
PN->setIncomingBlock(i, newFuncRoot);
}
@@ -732,7 +726,7 @@ ExtractCodeRegion(ArrayRef<BasicBlock*> code) {
PHINode *PN = cast<PHINode>(I);
std::set<BasicBlock*> ProcessedPreds;
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)
- if (BlocksToExtract.count(PN->getIncomingBlock(i))) {
+ if (Blocks.count(PN->getIncomingBlock(i))) {
if (ProcessedPreds.insert(PN->getIncomingBlock(i)).second)
PN->setIncomingBlock(i, codeReplacer);
else {
@@ -754,51 +748,3 @@ ExtractCodeRegion(ArrayRef<BasicBlock*> code) {
report_fatal_error("verifyFunction failed!"));
return newFunction;
}
-
-bool CodeExtractor::isEligible(ArrayRef<BasicBlock*> code) {
- for (ArrayRef<BasicBlock*>::iterator I = code.begin(), E = code.end();
- I != E; ++I)
- if (!isBlockViableForExtraction(**I))
- return false;
-
- return true;
-}
-
-bool llvm::isBlockViableForExtraction(const BasicBlock &BB) {
- // Landing pads must be in the function where they were inserted for cleanup.
- if (BB.isLandingPad())
- return false;
-
- // Don't hoist code containing allocas, invokes, or vastarts.
- for (BasicBlock::const_iterator I = BB.begin(), E = BB.end(); I != E; ++I) {
- if (isa<AllocaInst>(I) || isa<InvokeInst>(I))
- return false;
- if (const CallInst *CI = dyn_cast<CallInst>(I))
- if (const Function *F = CI->getCalledFunction())
- if (F->getIntrinsicID() == Intrinsic::vastart)
- return false;
- }
-
- return true;
-}
-
-/// ExtractCodeRegion - Slurp a sequence of basic blocks into a brand new
-/// function.
-///
-Function* llvm::ExtractCodeRegion(DominatorTree &DT,
- ArrayRef<BasicBlock*> code,
- bool AggregateArgs) {
- return CodeExtractor(&DT, AggregateArgs).ExtractCodeRegion(code);
-}
-
-/// ExtractLoop - Slurp a natural loop into a brand new function.
-///
-Function* llvm::ExtractLoop(DominatorTree &DT, Loop *L, bool AggregateArgs) {
- return CodeExtractor(&DT, AggregateArgs).ExtractCodeRegion(L->getBlocks());
-}
-
-/// ExtractBasicBlock - Slurp a basic block into a brand new function.
-///
-Function* llvm::ExtractBasicBlock(ArrayRef<BasicBlock*> BBs, bool AggregateArgs){
- return CodeExtractor(0, AggregateArgs).ExtractCodeRegion(BBs);
-}
generated by cgit v1.1 at 2025-02-04 01:48:14 +0000