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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-06 21:13:03 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-06 21:13:03 +0000 |
| commit | 5ee99923c1d4cb92b6cbdf6406c0df86ccbcc4df (patch) | |
| tree | c657e1601818f84a710086f386b396c96e248a26 /lib/CodeGen | |
| parent | 191d4ee342230e748e10be6e72d93d876ba6bb33 (diff) | |
One more case assuming that subregs have live ranges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107700 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index c450136001..e0b9f0c10f 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -499,8 +499,8 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(const CoalescerPair &CP, if (BHasSubRegs) { for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR) { LiveInterval &SRLI = li_->getInterval(*SR); - const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def); - SRLI.removeValNo(SRLR->valno); + if (const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def)) + SRLI.removeValNo(SRLR->valno); } } IntB.removeValNo(BDeadValNos[i]); |