diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-11-01 19:49:57 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-11-01 19:49:57 +0000 |
| commit | a37d5cf3425eb93a25cc5da2bbf9b6a47c757b45 (patch) | |
| tree | 1a90e2425e1df05cd0d59435873394a7c426eaee /lib/CodeGen/InlineSpiller.cpp | |
| parent | e8f0823a68cfc0201fffb100c7e4a1a2940cf9a9 (diff) | |
Don't assign new registers created during a split to the same stack slot, but
give them individual stack slots once the are actually spilled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117945 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index 0bae9dfb62..61103bfb2e 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -369,12 +369,12 @@ void InlineSpiller::spill(LiveRangeEdit &edit) { return; rc_ = mri_.getRegClass(edit.getReg()); - stackSlot_ = edit.assignStackSlot(vrm_); + stackSlot_ = vrm_.assignVirt2StackSlot(edit_->getReg()); // Update LiveStacks now that we are committed to spilling. LiveInterval &stacklvr = lss_.getOrCreateInterval(stackSlot_, rc_); - if (!stacklvr.hasAtLeastOneValue()) - stacklvr.getNextValue(SlotIndex(), 0, lss_.getVNInfoAllocator()); + assert(stacklvr.empty() && "Just created stack slot not empty"); + stacklvr.getNextValue(SlotIndex(), 0, lss_.getVNInfoAllocator()); stacklvr.MergeRangesInAsValue(edit_->getParent(), stacklvr.getValNumInfo(0)); // Iterate over instructions using register. |