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-rw-r--r--lib/CodeGen/LiveIntervalAnalysis.cpp9
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index aae27bb882..34134520d6 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -336,14 +336,13 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
// time we see a vreg.
if (interval.empty()) {
// Remember if the definition can be rematerialized. All load's from fixed
- // stack slots are re-materializable. The target may permit other loads to
- // be re-materialized as well.
+ // stack slots are re-materializable. The target may permit other
+ // instructions to be re-materialized as well.
int FrameIdx = 0;
if (vi.DefInst &&
- (tii_->isReMaterializable(vi.DefInst->getOpcode()) ||
+ (tii_->isTriviallyReMaterializable(vi.DefInst) ||
(tii_->isLoadFromStackSlot(vi.DefInst, FrameIdx) &&
- mf_->getFrameInfo()->isFixedObjectIndex(FrameIdx)) ||
- tii_->isOtherReMaterializableLoad(vi.DefInst)))
+ mf_->getFrameInfo()->isFixedObjectIndex(FrameIdx))))
interval.remat = vi.DefInst;
// Get the Idx of the defining instructions.