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Minor cleanups

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Do not #include Parallelize.h, it's just a subset of Cilkifier.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8285 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-09-01 16:42:16 +00:00
parent 01112bd08a
commit aa9214524d
2 changed files with 16 additions and 26 deletions
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21
lib/Analysis/DataStructure/Parallelize.cpp
View File

@ -1,4 +1,4 @@
//===- Parallelize.cpp - Auto parallelization using DS Graphs ---*- C++ -*-===//
//===- Parallelize.cpp - Auto parallelization using DS Graphs -------------===//
//
// This file implements a pass that automatically parallelizes a program,
// using the Cilk multi-threaded runtime system to execute parallel code.
@ -28,19 +28,16 @@
// -- Excessive overhead at "spawned" function calls, which has no benefit
// once all threads are busy (especially common when the degree of
// parallelism is low).
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Parallelize.h"
#include "llvm/Transforms/Utils/DemoteRegToStack.h"
#include "llvm/Analysis/PgmDependenceGraph.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/DataStructure.h"
#include "llvm/Analysis/DSGraph.h"
#include "llvm/Module.h"
#include "llvm/Function.h"
#include "llvm/iOther.h"
#include "llvm/iPHINode.h"
#include "llvm/Instructions.h"
#include "llvm/iTerminators.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/InstVisitor.h"
@ -49,8 +46,6 @@
#include "Support/STLExtras.h"
#include "Support/hash_set"
#include "Support/hash_map"
#include <vector>
#include <stack>
#include <functional>
#include <algorithm>
@ -221,14 +216,14 @@ void Cilkifier::visitCallInst(CallInst& CI)
// Now find all outgoing SSA dependences to the eventual non-Phi users of
// the call value (i.e., direct users that are not phis, and for any
// user that is a Phi, direct non-Phi users of that Phi, and recursively).
std::stack<const PHINode*> phiUsers;
std::vector<const PHINode*> phiUsers;
hash_set<const PHINode*> phisSeen; // ensures we don't visit a phi twice
for (Value::use_iterator UI=CI.use_begin(), UE=CI.use_end(); UI != UE; ++UI)
if (const PHINode* phiUser = dyn_cast<PHINode>(*UI))
{
if (phisSeen.find(phiUser) == phisSeen.end())
{
phiUsers.push(phiUser);
phiUsers.push_back(phiUser);
phisSeen.insert(phiUser);
}
}
@ -237,16 +232,16 @@ void Cilkifier::visitCallInst(CallInst& CI)
// Now we've found the non-Phi users and immediate phi users.
// Recursively walk the phi users and add their non-phi users.
for (const PHINode* phiUser; !phiUsers.empty(); phiUsers.pop())
for (const PHINode* phiUser; !phiUsers.empty(); phiUsers.pop_back())
{
phiUser = phiUsers.top();
phiUser = phiUsers.back();
for (Value::use_const_iterator UI=phiUser->use_begin(),
UE=phiUser->use_end(); UI != UE; ++UI)
if (const PHINode* pn = dyn_cast<PHINode>(*UI))
{
if (phisSeen.find(pn) == phisSeen.end())
{
phiUsers.push(pn);
phiUsers.push_back(pn);
phisSeen.insert(pn);
}
}

21
lib/Transforms/IPO/Parallelize.cpp
View File

@ -1,4 +1,4 @@
//===- Parallelize.cpp - Auto parallelization using DS Graphs ---*- C++ -*-===//
//===- Parallelize.cpp - Auto parallelization using DS Graphs -------------===//
//
// This file implements a pass that automatically parallelizes a program,
// using the Cilk multi-threaded runtime system to execute parallel code.
@ -28,19 +28,16 @@
// -- Excessive overhead at "spawned" function calls, which has no benefit
// once all threads are busy (especially common when the degree of
// parallelism is low).
//
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Parallelize.h"
#include "llvm/Transforms/Utils/DemoteRegToStack.h"
#include "llvm/Analysis/PgmDependenceGraph.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/DataStructure.h"
#include "llvm/Analysis/DSGraph.h"
#include "llvm/Module.h"
#include "llvm/Function.h"
#include "llvm/iOther.h"
#include "llvm/iPHINode.h"
#include "llvm/Instructions.h"
#include "llvm/iTerminators.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Support/InstVisitor.h"
@ -49,8 +46,6 @@
#include "Support/STLExtras.h"
#include "Support/hash_set"
#include "Support/hash_map"
#include <vector>
#include <stack>
#include <functional>
#include <algorithm>
@ -221,14 +216,14 @@ void Cilkifier::visitCallInst(CallInst& CI)
// Now find all outgoing SSA dependences to the eventual non-Phi users of
// the call value (i.e., direct users that are not phis, and for any
// user that is a Phi, direct non-Phi users of that Phi, and recursively).
std::stack<const PHINode*> phiUsers;
std::vector<const PHINode*> phiUsers;
hash_set<const PHINode*> phisSeen; // ensures we don't visit a phi twice
for (Value::use_iterator UI=CI.use_begin(), UE=CI.use_end(); UI != UE; ++UI)
if (const PHINode* phiUser = dyn_cast<PHINode>(*UI))
{
if (phisSeen.find(phiUser) == phisSeen.end())
{
phiUsers.push(phiUser);
phiUsers.push_back(phiUser);
phisSeen.insert(phiUser);
}
}
@ -237,16 +232,16 @@ void Cilkifier::visitCallInst(CallInst& CI)
// Now we've found the non-Phi users and immediate phi users.
// Recursively walk the phi users and add their non-phi users.
for (const PHINode* phiUser; !phiUsers.empty(); phiUsers.pop())
for (const PHINode* phiUser; !phiUsers.empty(); phiUsers.pop_back())
{
phiUser = phiUsers.top();
phiUser = phiUsers.back();
for (Value::use_const_iterator UI=phiUser->use_begin(),
UE=phiUser->use_end(); UI != UE; ++UI)
if (const PHINode* pn = dyn_cast<PHINode>(*UI))
{
if (phisSeen.find(pn) == phisSeen.end())
{
phiUsers.push(pn);
phiUsers.push_back(pn);
phisSeen.insert(pn);
}
}