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authorpatrick <patrick@openbsd.org>2017-01-24 08:32:59 +0000
committerpatrick <patrick@openbsd.org>2017-01-24 08:32:59 +0000
commit53d771aafdbe5b919f264f53cba3788e2c4cffd2 (patch)
tree7eca39498be0ff1e3a6daf583cd9ca5886bb2636 /gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
parentIn preparation of compiling our kernels with -ffreestanding, explicitly map (diff)
downloadwireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.tar.xz
wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.zip
Import LLVM 4.0.0 rc1 including clang and lld to help the current
development effort on OpenBSD/arm64.
Diffstat (limited to 'gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp')
-rw-r--r--gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp17
1 files changed, 10 insertions, 7 deletions
diff --git a/gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp b/gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
index c2039e1dec2..9850e02fca2 100644
--- a/gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
+++ b/gnu/llvm/lib/Analysis/BlockFrequencyInfoImpl.cpp
@@ -533,12 +533,18 @@ BlockFrequencyInfoImplBase::getBlockFreq(const BlockNode &Node) const {
Optional<uint64_t>
BlockFrequencyInfoImplBase::getBlockProfileCount(const Function &F,
const BlockNode &Node) const {
+ return getProfileCountFromFreq(F, getBlockFreq(Node).getFrequency());
+}
+
+Optional<uint64_t>
+BlockFrequencyInfoImplBase::getProfileCountFromFreq(const Function &F,
+ uint64_t Freq) const {
auto EntryCount = F.getEntryCount();
if (!EntryCount)
return None;
// Use 128 bit APInt to do the arithmetic to avoid overflow.
APInt BlockCount(128, EntryCount.getValue());
- APInt BlockFreq(128, getBlockFreq(Node).getFrequency());
+ APInt BlockFreq(128, Freq);
APInt EntryFreq(128, getEntryFreq());
BlockCount *= BlockFreq;
BlockCount = BlockCount.udiv(EntryFreq);
@@ -622,15 +628,12 @@ namespace llvm {
template <> struct GraphTraits<IrreducibleGraph> {
typedef bfi_detail::IrreducibleGraph GraphT;
- typedef const GraphT::IrrNode NodeType;
typedef const GraphT::IrrNode *NodeRef;
typedef GraphT::IrrNode::iterator ChildIteratorType;
- static const NodeType *getEntryNode(const GraphT &G) {
- return G.StartIrr;
- }
- static ChildIteratorType child_begin(NodeType *N) { return N->succ_begin(); }
- static ChildIteratorType child_end(NodeType *N) { return N->succ_end(); }
+ static NodeRef getEntryNode(const GraphT &G) { return G.StartIrr; }
+ static ChildIteratorType child_begin(NodeRef N) { return N->succ_begin(); }
+ static ChildIteratorType child_end(NodeRef N) { return N->succ_end(); }
};
} // end namespace llvm