[PATCH] D143184: [MemProf] Add helper to access the back (last) call stack id
Teresa Johnson via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Feb 3 07:51:46 PST 2023
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG6827c4f0dea1: [MemProf] Add helper to access the back (last) call stack id (authored by tejohnson).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D143184/new/
https://reviews.llvm.org/D143184
Files:
llvm/include/llvm/Analysis/MemoryProfileInfo.h
llvm/lib/Analysis/MemoryProfileInfo.cpp
llvm/unittests/Analysis/MemoryProfileInfoTest.cpp
Index: llvm/unittests/Analysis/MemoryProfileInfoTest.cpp
===================================================================
--- llvm/unittests/Analysis/MemoryProfileInfoTest.cpp
+++ llvm/unittests/Analysis/MemoryProfileInfoTest.cpp
@@ -401,6 +401,8 @@
auto *MIBMD = cast<const MDNode>(MIBOp);
MDNode *StackNode = getMIBStackNode(MIBMD);
CallStack<MDNode, MDNode::op_iterator> StackContext(StackNode);
+ uint64_t ExpectedBack = First ? 4 : 5;
+ EXPECT_EQ(StackContext.back(), ExpectedBack);
std::vector<uint64_t> StackIds;
for (auto ContextIter = StackContext.beginAfterSharedPrefix(InstCallsite);
ContextIter != StackContext.end(); ++ContextIter)
@@ -450,6 +452,8 @@
for (auto &MIB : AI.MIBs) {
CallStack<MIBInfo, SmallVector<unsigned>::const_iterator> StackContext(
&MIB);
+ uint64_t ExpectedBack = First ? 4 : 5;
+ EXPECT_EQ(Index->getStackIdAtIndex(StackContext.back()), ExpectedBack);
std::vector<uint64_t> StackIds;
for (auto StackIdIndex : StackContext)
StackIds.push_back(Index->getStackIdAtIndex(StackIdIndex));
Index: llvm/lib/Analysis/MemoryProfileInfo.cpp
===================================================================
--- llvm/lib/Analysis/MemoryProfileInfo.cpp
+++ llvm/lib/Analysis/MemoryProfileInfo.cpp
@@ -242,3 +242,9 @@
assert(StackIdCInt);
return StackIdCInt->getZExtValue();
}
+
+template <> uint64_t CallStack<MDNode, MDNode::op_iterator>::back() const {
+ assert(N);
+ return mdconst::dyn_extract<ConstantInt>(N->operands().back())
+ ->getZExtValue();
+}
Index: llvm/include/llvm/Analysis/MemoryProfileInfo.h
===================================================================
--- llvm/include/llvm/Analysis/MemoryProfileInfo.h
+++ llvm/include/llvm/Analysis/MemoryProfileInfo.h
@@ -128,6 +128,7 @@
CallStackIterator begin() const;
CallStackIterator end() const { return CallStackIterator(N, /*End*/ true); }
CallStackIterator beginAfterSharedPrefix(CallStack &Other);
+ uint64_t back() const;
private:
const NodeT *N = nullptr;
@@ -137,8 +138,10 @@
CallStack<NodeT, IteratorT>::CallStackIterator::CallStackIterator(
const NodeT *N, bool End)
: N(N) {
- if (!N)
+ if (!N) {
+ Iter = nullptr;
return;
+ }
Iter = End ? N->StackIdIndices.end() : N->StackIdIndices.begin();
}
@@ -148,6 +151,12 @@
return *Iter;
}
+template <class NodeT, class IteratorT>
+uint64_t CallStack<NodeT, IteratorT>::back() const {
+ assert(N);
+ return N->StackIdIndices.back();
+}
+
template <class NodeT, class IteratorT>
typename CallStack<NodeT, IteratorT>::CallStackIterator
CallStack<NodeT, IteratorT>::begin() const {
@@ -170,6 +179,7 @@
const MDNode *N, bool End);
template <>
uint64_t CallStack<MDNode, MDNode::op_iterator>::CallStackIterator::operator*();
+template <> uint64_t CallStack<MDNode, MDNode::op_iterator>::back() const;
} // end namespace memprof
} // end namespace llvm
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D143184.494641.patch
Type: text/x-patch
Size: 2971 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20230203/bf48f0cc/attachment.bin>
More information about the llvm-commits
mailing list