diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineCopyPropagation.cpp')
-rw-r--r-- | llvm/lib/CodeGen/MachineCopyPropagation.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp index c316b167059bc..70d6dcc2e3e29 100644 --- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp +++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp @@ -51,6 +51,7 @@ #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/SetVector.h" +#include "llvm/ADT/SmallSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/Statistic.h" #include "llvm/ADT/iterator_range.h" @@ -113,7 +114,8 @@ public: // Since Reg might be a subreg of some registers, only invalidate Reg is not // enough. We have to find the COPY defines Reg or registers defined by Reg // and invalidate all of them. - DenseSet<unsigned> RegsToInvalidate{Reg}; + SmallSet<unsigned, 8> RegsToInvalidate; + RegsToInvalidate.insert(Reg); for (MCRegUnitIterator RUI(Reg, &TRI); RUI.isValid(); ++RUI) { auto I = Copies.find(*RUI); if (I != Copies.end()) { |