diff options
Diffstat (limited to 'llvm/lib/Bitcode/Writer/ValueEnumerator.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/ValueEnumerator.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp index 15f8034..1430fad 100644 --- a/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp +++ b/llvm/lib/Bitcode/Writer/ValueEnumerator.cpp @@ -18,6 +18,7 @@ #include "llvm/IR/DerivedTypes.h" #include "llvm/IR/Instructions.h" #include "llvm/IR/Module.h" +#include "llvm/IR/UseListOrder.h" #include "llvm/IR/ValueSymbolTable.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" @@ -179,6 +180,11 @@ void ValueEnumerator::print(raw_ostream &OS, const ValueMapType &Map, void ValueEnumerator::OptimizeConstants(unsigned CstStart, unsigned CstEnd) { if (CstStart == CstEnd || CstStart+1 == CstEnd) return; + if (shouldPreserveBitcodeUseListOrder()) + // Optimizing constants makes the use-list order difficult to predict. + // Disable it for now when trying to preserve the order. + return; + std::stable_sort(Values.begin() + CstStart, Values.begin() + CstEnd, [this](const std::pair<const Value *, unsigned> &LHS, const std::pair<const Value *, unsigned> &RHS) { |