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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62151 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-01-13 06:08:37 +00:00
parent 0c2e7b9ab6
commit 167650d411
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -1744,7 +1744,7 @@ SimpleRegisterCoalescing::JoinIntervals(LiveInterval &LHS, LiveInterval &RHS,
// less conservative check. It's possible a sub-register is defined before
// v1024 (or live in) and live out of BB1.
if (RHS.containsOneValue() &&
li_->intervalIsInOneMBB(RHS) &&
li_->intervalIsInOneMBB(RHS) &&
li_->getApproximateInstructionCount(RHS) <= 10) {
// Perform a more exhaustive check for some common cases.
if (li_->conflictsWithPhysRegRef(RHS, LHS.reg, true, JoinedCopies))