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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 | 6b1ec75da95ed9bec12c8a15b6964c00b23710fb (patch) | |
| tree | faf61cef267c5d2d6d0500d7bde2728b9363abfa | |
| parent | dbd9c33e5e6fabba344ea7b9666a46694f890202 (diff) | |
| download | bcm5719-llvm-6b1ec75da95ed9bec12c8a15b6964c00b23710fb.tar.gz bcm5719-llvm-6b1ec75da95ed9bec12c8a15b6964c00b23710fb.zip | |
Fix bug introduced by previous commit: check if fixed intervals
overlap before adding their spill weight.
llvm-svn: 10819
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLinearScan.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index 1116edd39a5..616c438f556 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/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); |
