aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/CodeGen/InlineSpiller.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp
index 0e8f302..7e4fbad 100644
--- a/lib/CodeGen/InlineSpiller.cpp
+++ b/lib/CodeGen/InlineSpiller.cpp
@@ -343,7 +343,13 @@ void InlineSpiller::insertReload(LiveInterval &NewLI,
void InlineSpiller::insertSpill(LiveInterval &NewLI,
MachineBasicBlock::iterator MI) {
MachineBasicBlock &MBB = *MI->getParent();
+
+ // Get the defined value. It could be an early clobber so keep the def index.
SlotIndex Idx = lis_.getInstructionIndex(MI).getDefIndex();
+ VNInfo *VNI = edit_->getParent().getVNInfoAt(Idx);
+ assert(VNI && VNI->def.getDefIndex() == Idx && "Inconsistent VNInfo");
+ Idx = VNI->def;
+
tii_.storeRegToStackSlot(MBB, ++MI, NewLI.reg, true, stackSlot_, rc_, &tri_);
--MI; // Point to store instruction.
SlotIndex StoreIdx = lis_.InsertMachineInstrInMaps(MI).getDefIndex();