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Avoid a gcc warning about multiline comments. 

llvm-svn: 132821
This commit is contained in:
Rafael Espindola 2011-06-09 23:51:45 +00:00
parent 50aab549c0
commit c9e93a44be
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/CodeGen/TailDuplication.cpp
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@ -691,13 +691,13 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, MachineFunction &MF,
// Handle the nasty case in that we duplicated a block that is part of a loop
// into some but not all of its predecessors. For example:
// 1 -> 2 <-> 3
// \
// \---> rest
// 1 -> 2 <-> 3 |
// \ |
// \---> rest |
// if we duplicate 2 into 1 but not into 3, we end up with
// 12 -> 3 <-> 2 -> rest
// \ /
// \----->-----/
// 12 -> 3 <-> 2 -> rest |
// \ / |
// \----->-----/ |
// If there was a "var = phi(1, 3)" in 2, it has to be ultimately replaced
// with a phi in 3 (which now dominates 2).
// What we do here is introduce a copy in 3 of the register defined by the