diff options
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 2843c1a5b6..74898c210a 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -1568,9 +1568,7 @@ SimpleRegisterCoalescing::lastRegisterUse(SlotIndex Start, if (UseMI->isIdentityCopy()) continue; SlotIndex Idx = li_->getInstructionIndex(UseMI); - // FIXME: Should this be Idx != UseIdx? SlotIndex() will return something - // that compares higher than any other interval. - if (Idx >= Start && Idx < End && Idx >= UseIdx) { + if (Idx >= Start && Idx < End && (!UseIdx.isValid() || Idx >= UseIdx)) { LastUse = &Use; UseIdx = Idx.getUseIndex(); } |