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| author | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-01-13 20:37:01 +0000 |
|---|---|---|
| committer | Alkis Evlogimenos <alkis@evlogimenos.com> | 2004-01-13 20:37:01 +0000 |
| commit | f7df173e3bf03c0d91adfa695fd9845583fb9d49 (patch) | |
| tree | 03e71672d56f36c02abebe1f36fd536d1d7e9c8b /lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | f9543267413b17efa54f9f0d53be838a69ea2aef (diff) | |
Fix bug introduced by previous commit: check if fixed intervals
overlap before adding their spill weight.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10819 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index 1116edd39a..616c438f55 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -547,6 +547,9 @@ void RA::assignStackSlotAtInterval(IntervalPtrs::value_type cur) // for each fixed interval that overlaps for (IntervalPtrs::const_iterator i = fixed_.begin(), e = fixed_.end(); i != e; ++i) { + if (!cur->overlaps(**i)) + continue; + assert((*i)->reg < MRegisterInfo::FirstVirtualRegister && "virtual register interval in fixed set?"); updateWeight(regWeight, (*i)->reg, (*i)->weight); |