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| author | Eric Christopher <echristo@apple.com> | 2011-04-13 00:20:59 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2011-04-13 00:20:59 +0000 |
| commit | d31df87f41891c9ea459282c666c6e1cab9bd4c7 (patch) | |
| tree | 4f0f9267e62ab679600f1a489f6bbab9c189bc6d /lib/CodeGen/RegAllocFast.cpp | |
| parent | 066c2f495ae396ce5335e374c45b1e4ace4f2470 (diff) | |
| download | llvm-d31df87f41891c9ea459282c666c6e1cab9bd4c7.tar.gz llvm-d31df87f41891c9ea459282c666c6e1cab9bd4c7.tar.bz2 llvm-d31df87f41891c9ea459282c666c6e1cab9bd4c7.tar.xz | |
Temporarily revert r129408 to see if it brings the bots back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129417 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index 30ecea0018..7bb849ef54 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -442,6 +442,8 @@ 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; |