diff options
Diffstat (limited to 'lib/CodeGen/RegAllocBasic.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocBasic.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocBasic.cpp b/lib/CodeGen/RegAllocBasic.cpp index d51be52027..ce92f3da43 100644 --- a/lib/CodeGen/RegAllocBasic.cpp +++ b/lib/CodeGen/RegAllocBasic.cpp @@ -296,6 +296,9 @@ void RegAllocBase::allocatePhysRegs() { continue; } + // Invalidate all interference queries, live ranges could have changed. + ++UserTag; + // selectOrSplit requests the allocator to return an available physical // register if possible and populate a list of new live intervals that // result from splitting. |