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Move node forwarding code from being inlined to being out-of-line.

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This brings a 11.6% speedup to steens, and a 3.6 overall speedup to ds-aa


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5552 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-13 19:09:00 +00:00
parent 1d1e5b598e
commit 731b2d7df5
5 changed files with 27 additions and 32 deletions
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17
include/llvm/Analysis/DSNode.h
View File

@ -276,22 +276,7 @@ inline DSNode *DSNodeHandle::getNode() const {
if (!N || N->ForwardNH.isNull())
return N;
// Handle node forwarding here!
DSNode *Next = N->ForwardNH.getNode(); // Cause recursive shrinkage
Offset += N->ForwardNH.getOffset();
if (--N->NumReferrers == 0) {
// Removing the last referrer to the node, sever the forwarding link
N->stopForwarding();
}
N = Next;
N->NumReferrers++;
if (N->Size <= Offset) {
assert(N->Size <= 1 && "Forwarded to shrunk but not collapsed node?");
Offset = 0;
}
return N;
return HandleForwarding();
}
inline void DSNodeHandle::setNode(DSNode *n) {

2
include/llvm/Analysis/DSSupport.h
View File

@ -112,6 +112,8 @@ public:
inline DSNodeHandle &getLink(unsigned Num);
inline void setLink(unsigned Num, const DSNodeHandle &NH);
private:
DSNode *HandleForwarding() const;
};
namespace std {

17
include/llvm/Analysis/DataStructure/DSNode.h
View File

@ -276,22 +276,7 @@ inline DSNode *DSNodeHandle::getNode() const {
if (!N || N->ForwardNH.isNull())
return N;
// Handle node forwarding here!
DSNode *Next = N->ForwardNH.getNode(); // Cause recursive shrinkage
Offset += N->ForwardNH.getOffset();
if (--N->NumReferrers == 0) {
// Removing the last referrer to the node, sever the forwarding link
N->stopForwarding();
}
N = Next;
N->NumReferrers++;
if (N->Size <= Offset) {
assert(N->Size <= 1 && "Forwarded to shrunk but not collapsed node?");
Offset = 0;
}
return N;
return HandleForwarding();
}
inline void DSNodeHandle::setNode(DSNode *n) {

2
include/llvm/Analysis/DataStructure/DSSupport.h
View File

@ -112,6 +112,8 @@ public:
inline DSNodeHandle &getLink(unsigned Num);
inline void setLink(unsigned Num, const DSNodeHandle &NH);
private:
DSNode *HandleForwarding() const;
};
namespace std {

21
lib/Analysis/DataStructure/DataStructure.cpp
View File

@ -24,6 +24,27 @@ namespace DS { // TODO: FIXME
}
using namespace DS;
DSNode *DSNodeHandle::HandleForwarding() const {
assert(!N->ForwardNH.isNull() && "Can only be invoked if forwarding!");
// Handle node forwarding here!
DSNode *Next = N->ForwardNH.getNode(); // Cause recursive shrinkage
Offset += N->ForwardNH.getOffset();
if (--N->NumReferrers == 0) {
// Removing the last referrer to the node, sever the forwarding link
N->stopForwarding();
}
N = Next;
N->NumReferrers++;
if (N->Size <= Offset) {
assert(N->Size <= 1 && "Forwarded to shrunk but not collapsed node?");
Offset = 0;
}
return N;
}
//===----------------------------------------------------------------------===//
// DSNode Implementation
//===----------------------------------------------------------------------===//