Checkpoint SplitKit progress.
We are now at a point where we can split around simple single-entry, single-exit
loops, although still with some bugs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110257 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp
index d8616fd..d9dcbc0 100644
--- a/lib/CodeGen/InlineSpiller.cpp
+++ b/lib/CodeGen/InlineSpiller.cpp
@@ -110,7 +110,8 @@
splitAnalysis_.analyze(li_);
if (const MachineLoop *loop = splitAnalysis_.getBestSplitLoop()) {
- SplitEditor(splitAnalysis_, lis_, vrm_).splitAroundLoop(loop);
+ SplitEditor(splitAnalysis_, lis_, vrm_, *newIntervals_)
+ .splitAroundLoop(loop);
return true;
}
return false;
@@ -372,7 +373,9 @@
if (li_->empty())
return;
- stackSlot_ = vrm_.assignVirt2StackSlot(li->reg);
+ stackSlot_ = vrm_.getStackSlot(li->reg);
+ if (stackSlot_ == VirtRegMap::NO_STACK_SLOT)
+ stackSlot_ = vrm_.assignVirt2StackSlot(li->reg);
// Iterate over instructions using register.
for (MachineRegisterInfo::reg_iterator RI = mri_.reg_begin(li->reg);