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| author | Eric Christopher <echristo@apple.com> | 2011-04-12 23:23:14 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2011-04-12 23:23:14 +0000 |
| commit | d829f43c068e73c2f7d7637a65a69174986f8154 (patch) | |
| tree | 57fb820ee6f2574b93750d6f34d7ab875ef7ce2a /llvm/lib/CodeGen/RegAllocFast.cpp | |
| parent | 0e821f46736a9a8a273a3febbbfb0a84be8eedaa (diff) | |
| download | bcm5719-llvm-d829f43c068e73c2f7d7637a65a69174986f8154.tar.gz bcm5719-llvm-d829f43c068e73c2f7d7637a65a69174986f8154.zip | |
Fix a bug where we were counting the alias sets as completely used
registers for fast allocation.
Fixes rdar://9207598
llvm-svn: 129408
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocFast.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp index 7bb849ef546..30ecea00185 100644 --- a/llvm/lib/CodeGen/RegAllocFast.cpp +++ b/llvm/lib/CodeGen/RegAllocFast.cpp @@ -442,8 +442,6 @@ unsigned RAFast::calcSpillCost(unsigned PhysReg) const { unsigned Cost = 0; for (const unsigned *AS = TRI->getAliasSet(PhysReg); unsigned Alias = *AS; ++AS) { - if (UsedInInstr.test(Alias)) - return spillImpossible; switch (unsigned VirtReg = PhysRegState[Alias]) { case regDisabled: break; |
