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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 | 8e98de9979fa08dac650bc6ae884e809da2cfdaa (patch) | |
| tree | 79ea3361300dcdb65501bd11536dd2e5784a46b0 /lib | |
| parent | 161b2f45c2413a9aa3bb3003d043f58c21dfd319 (diff) | |
| download | external_llvm-8e98de9979fa08dac650bc6ae884e809da2cfdaa.zip external_llvm-8e98de9979fa08dac650bc6ae884e809da2cfdaa.tar.gz external_llvm-8e98de9979fa08dac650bc6ae884e809da2cfdaa.tar.bz2 | |
Fix a bug where we were counting the alias sets as completely used
registers for fast allocation.
Fixes rdar://9207598
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129408 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 7bb849e..30ecea0 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/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; |