6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
Code Issues Projects Releases Wiki Activity

[LoopAccesses] New API to query if memchecks are necessary after partitioning

Browse Source 
This is used by Loop Distribution.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234283 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adam Nemet 2015-04-07 03:35:26 +00:00
parent 320efb05a1
commit ad8a6b66d9
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/llvm/Analysis/LoopAccessAnalysis.h
View File

@ -339,6 +339,10 @@ public:
bool needsChecking(unsigned I, unsigned J,
const SmallVectorImpl<int> *PtrPartition) const;
/// \brief Return true if any pointer requires run-time checking according
/// to needsChecking.
bool needsAnyChecking(const SmallVectorImpl<int> *PtrPartition) const;
/// \brief Print the list run-time memory checks necessary.
///
/// If \p PtrPartition is set, it contains the partition number for

11
lib/Analysis/LoopAccessAnalysis.cpp
View File

@ -177,6 +177,17 @@ void LoopAccessInfo::RuntimePointerCheck::print(
}
}
bool LoopAccessInfo::RuntimePointerCheck::needsAnyChecking(
const SmallVectorImpl<int> *PtrPartition) const {
unsigned NumPointers = Pointers.size();
for (unsigned I = 0; I < NumPointers; ++I)
for (unsigned J = I + 1; J < NumPointers; ++J)
if (needsChecking(I, J, PtrPartition))
return true;
return false;
}
namespace {
/// \brief Analyses memory accesses in a loop.
///