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<rdar://problem/6721894>. Allow multiple registers to be renamed together (super and sub) if necessary to break an anti-dependence.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Goodwin 2009-11-24 00:59:08 +00:00
parent 5cdc3a949a
commit 2601329106
1 changed files with 0 additions and 6 deletions
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6
lib/CodeGen/AggressiveAntiDepBreaker.cpp
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@ -581,12 +581,6 @@ bool AggressiveAntiDepBreaker::FindSuitableFreeRegisters(
return false;
}
// FIXME: for now just handle single register in group case...
if (Regs.size() > 1) {
DEBUG(errs() << "\tMultiple rename registers in group\n");
return false;
}
#ifndef NDEBUG
// If DebugDiv > 0 then only rename (renamecnt % DebugDiv) == DebugMod
if (DebugDiv > 0) {