Fixed some tests to avoid LiveIntervals::getInstructionFromIndex(..) overhead where possible. Thanks to Jakob for the suggestions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114798 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index ee228a9..68d28e4 100644
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -807,8 +807,7 @@
MachineBasicBlock& MBB = *RestorePt->getParent();
MachineBasicBlock::iterator KillPt = BarrierMBB->end();
- if (LIs->getInstructionFromIndex(ValNo->def) == 0 ||
- DefMI->getParent() == BarrierMBB)
+ if (!DefMI || DefMI->getParent() == BarrierMBB)
KillPt = findSpillPoint(BarrierMBB, Barrier, NULL, RefsInMBB);
else
KillPt = llvm::next(MachineBasicBlock::iterator(DefMI));
@@ -1005,7 +1004,7 @@
SlotIndex SpillIndex;
MachineInstr *SpillMI = NULL;
int SS = -1;
- if (LIs->getInstructionFromIndex(ValNo->def) == 0) {
+ if (!DefMI) {
// If we don't know where the def is we must split just before the barrier.
if ((SpillMI = FoldSpill(LI->reg, RC, 0, Barrier,
BarrierMBB, SS, RefsInMBB))) {