Make MachineDominators available for SplitEditor. We are going to need it for
proper SSA updating.
This doesn't cause MachineDominators to be recomputed since we are already
requiring MachineLoopInfo which uses dominators as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp
index 73980f3..05aa388 100644
--- a/lib/CodeGen/InlineSpiller.cpp
+++ b/lib/CodeGen/InlineSpiller.cpp
@@ -19,6 +19,7 @@
#include "VirtRegMap.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/LiveStackAnalysis.h"
+#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
@@ -40,6 +41,7 @@
MachineFunction &mf_;
LiveIntervals &lis_;
LiveStacks &lss_;
+ MachineDominatorTree &mdt_;
MachineLoopInfo &loops_;
VirtRegMap &vrm_;
MachineFrameInfo &mfi_;
@@ -68,6 +70,7 @@
mf_(mf),
lis_(pass.getAnalysis<LiveIntervals>()),
lss_(pass.getAnalysis<LiveStacks>()),
+ mdt_(pass.getAnalysis<MachineDominatorTree>()),
loops_(pass.getAnalysis<MachineLoopInfo>()),
vrm_(vrm),
mfi_(*mf.getFrameInfo()),
@@ -112,7 +115,7 @@
// Try splitting around loops.
if (const MachineLoop *loop = splitAnalysis_.getBestSplitLoop()) {
- SplitEditor(splitAnalysis_, lis_, vrm_, *edit_)
+ SplitEditor(splitAnalysis_, lis_, vrm_, mdt_, *edit_)
.splitAroundLoop(loop);
return true;
}
@@ -120,14 +123,14 @@
// Try splitting into single block intervals.
SplitAnalysis::BlockPtrSet blocks;
if (splitAnalysis_.getMultiUseBlocks(blocks)) {
- SplitEditor(splitAnalysis_, lis_, vrm_, *edit_)
+ SplitEditor(splitAnalysis_, lis_, vrm_, mdt_, *edit_)
.splitSingleBlocks(blocks);
return true;
}
// Try splitting inside a basic block.
if (const MachineBasicBlock *MBB = splitAnalysis_.getBlockForInsideSplit()) {
- SplitEditor(splitAnalysis_, lis_, vrm_, *edit_)
+ SplitEditor(splitAnalysis_, lis_, vrm_, mdt_, *edit_)
.splitInsideBlock(MBB);
return true;
}