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-rw-r--r--contrib/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/contrib/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp b/contrib/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp
index c5a4614..7259c02 100644
--- a/contrib/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp
+++ b/contrib/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp
@@ -61,7 +61,7 @@ public:
initializeLanaiMemAluCombinerPass(*PassRegistry::getPassRegistry());
}
- const char *getPassName() const override {
+ StringRef getPassName() const override {
return "Lanai load / store optimization pass";
}
@@ -69,7 +69,7 @@ public:
MachineFunctionProperties getRequiredProperties() const override {
return MachineFunctionProperties().set(
- MachineFunctionProperties::Property::AllVRegsAllocated);
+ MachineFunctionProperties::Property::NoVRegs);
}
private:
@@ -339,6 +339,9 @@ MbbIterator LanaiMemAluCombiner::findClosestSuitableAluInstr(
while (First != Last) {
Decrement ? --First : ++First;
+ if (First == Last)
+ break;
+
// Skip over debug instructions
if (First->isDebugValue())
continue;
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