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Simplify logic now that r182490 is in place. No functional change intended.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182531 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2013-05-22 23:17:36 +00:00
parent b018bab0b8
commit 62c320a755
11 changed files with 46 additions and 50 deletions
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lib/CodeGen/MachineCopyPropagation.cpp
+2 -3
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@@ -213,9 +213,8 @@ bool MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) {
CopyMap.erase(*AI);
AvailCopyMap.erase(*AI);
}
CopyMap[Def] = MI;
AvailCopyMap[Def] = MI;
for (MCSubRegIterator SR(Def, TRI); SR.isValid(); ++SR) {
for (MCSubRegIterator SR(Def, TRI, /*IncludeSelf=*/true); SR.isValid();
++SR) {
CopyMap[*SR] = MI;
AvailCopyMap[*SR] = MI;
}