diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocGreedy.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocGreedy.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp index 9a0fc66a96b..4a381e0aa83 100644 --- a/llvm/lib/CodeGen/RegAllocGreedy.cpp +++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp @@ -646,6 +646,9 @@ unsigned RAGreedy::tryAssign(LiveInterval &VirtReg, evictInterference(VirtReg, Hint, NewVRegs); return Hint; } + // Record the missed hint, we may be able to recover + // at the end if the surrounding allocation changed. + SetOfBrokenHints.insert(&VirtReg); } // Try to evict interference from a cheaper alternative. |
